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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.mob;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.apache.hadoop.hbase.mob.MobConstants.DEFAULT_MOB_CLEANER_BATCH_SIZE_UPPER_BOUND;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.apache.hadoop.hbase.mob.MobConstants.MOB_CLEANER_BATCH_SIZE_UPPER_BOUND;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.FileNotFoundException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.nio.ByteBuffer;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.text.ParseException;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.text.SimpleDateFormat;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.ArrayList;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Arrays;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.Calendar;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.Collection;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.Date;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.List;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.Optional;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.UUID;</span> |
| <span class="source-line-no">036</span><span id="line-36">import java.util.function.Consumer;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.PrivateCellUtil;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.Tag;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.TagType;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.TagUtil;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.backup.HFileArchiver;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.hbase.client.TableDescriptor;</span> |
| <span class="source-line-no">055</span><span id="line-55">import org.apache.hadoop.hbase.io.HFileLink;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.io.compress.Compression;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.io.crypto.Encryption;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.io.hfile.CacheConfig;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hbase.io.hfile.HFile;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hadoop.hbase.io.hfile.HFileContext;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.apache.hadoop.hbase.regionserver.BloomType;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.apache.hadoop.hbase.regionserver.HStoreFile;</span> |
| <span class="source-line-no">064</span><span id="line-64">import org.apache.hadoop.hbase.regionserver.StoreFileWriter;</span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hadoop.hbase.regionserver.StoreUtils;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">067</span><span id="line-67">import org.apache.hadoop.hbase.util.ChecksumType;</span> |
| <span class="source-line-no">068</span><span id="line-68">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">069</span><span id="line-69">import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;</span> |
| <span class="source-line-no">070</span><span id="line-70">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">071</span><span id="line-71">import org.slf4j.Logger;</span> |
| <span class="source-line-no">072</span><span id="line-72">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74">import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSetMultimap;</span> |
| <span class="source-line-no">075</span><span id="line-75">import org.apache.hbase.thirdparty.com.google.common.collect.SetMultimap;</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77">/**</span> |
| <span class="source-line-no">078</span><span id="line-78"> * The mob utilities</span> |
| <span class="source-line-no">079</span><span id="line-79"> */</span> |
| <span class="source-line-no">080</span><span id="line-80">@InterfaceAudience.Private</span> |
| <span class="source-line-no">081</span><span id="line-81">public final class MobUtils {</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> private static final Logger LOG = LoggerFactory.getLogger(MobUtils.class);</span> |
| <span class="source-line-no">084</span><span id="line-84"> public static final String SEP = "_";</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> private static final ThreadLocal<SimpleDateFormat> LOCAL_FORMAT =</span> |
| <span class="source-line-no">087</span><span id="line-87"> new ThreadLocal<SimpleDateFormat>() {</span> |
| <span class="source-line-no">088</span><span id="line-88"> @Override</span> |
| <span class="source-line-no">089</span><span id="line-89"> protected SimpleDateFormat initialValue() {</span> |
| <span class="source-line-no">090</span><span id="line-90"> return new SimpleDateFormat("yyyyMMdd");</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"> };</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> /**</span> |
| <span class="source-line-no">095</span><span id="line-95"> * Private constructor to keep this class from being instantiated.</span> |
| <span class="source-line-no">096</span><span id="line-96"> */</span> |
| <span class="source-line-no">097</span><span id="line-97"> private MobUtils() {</span> |
| <span class="source-line-no">098</span><span id="line-98"> }</span> |
| <span class="source-line-no">099</span><span id="line-99"></span> |
| <span class="source-line-no">100</span><span id="line-100"> /**</span> |
| <span class="source-line-no">101</span><span id="line-101"> * Formats a date to a string.</span> |
| <span class="source-line-no">102</span><span id="line-102"> * @param date The date.</span> |
| <span class="source-line-no">103</span><span id="line-103"> * @return The string format of the date, it's yyyymmdd.</span> |
| <span class="source-line-no">104</span><span id="line-104"> */</span> |
| <span class="source-line-no">105</span><span id="line-105"> public static String formatDate(Date date) {</span> |
| <span class="source-line-no">106</span><span id="line-106"> return LOCAL_FORMAT.get().format(date);</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> /**</span> |
| <span class="source-line-no">110</span><span id="line-110"> * Parses the string to a date.</span> |
| <span class="source-line-no">111</span><span id="line-111"> * @param dateString The string format of a date, it's yyyymmdd.</span> |
| <span class="source-line-no">112</span><span id="line-112"> * @return A date.</span> |
| <span class="source-line-no">113</span><span id="line-113"> */</span> |
| <span class="source-line-no">114</span><span id="line-114"> public static Date parseDate(String dateString) throws ParseException {</span> |
| <span class="source-line-no">115</span><span id="line-115"> return LOCAL_FORMAT.get().parse(dateString);</span> |
| <span class="source-line-no">116</span><span id="line-116"> }</span> |
| <span class="source-line-no">117</span><span id="line-117"></span> |
| <span class="source-line-no">118</span><span id="line-118"> /**</span> |
| <span class="source-line-no">119</span><span id="line-119"> * Whether the current cell is a mob reference cell.</span> |
| <span class="source-line-no">120</span><span id="line-120"> * @param cell The current cell.</span> |
| <span class="source-line-no">121</span><span id="line-121"> * @return True if the cell has a mob reference tag, false if it doesn't.</span> |
| <span class="source-line-no">122</span><span id="line-122"> */</span> |
| <span class="source-line-no">123</span><span id="line-123"> public static boolean isMobReferenceCell(ExtendedCell cell) {</span> |
| <span class="source-line-no">124</span><span id="line-124"> if (cell.getTagsLength() > 0) {</span> |
| <span class="source-line-no">125</span><span id="line-125"> Optional<Tag> tag = PrivateCellUtil.getTag(cell, TagType.MOB_REFERENCE_TAG_TYPE);</span> |
| <span class="source-line-no">126</span><span id="line-126"> if (tag.isPresent()) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> return true;</span> |
| <span class="source-line-no">128</span><span id="line-128"> }</span> |
| <span class="source-line-no">129</span><span id="line-129"> }</span> |
| <span class="source-line-no">130</span><span id="line-130"> return false;</span> |
| <span class="source-line-no">131</span><span id="line-131"> }</span> |
| <span class="source-line-no">132</span><span id="line-132"></span> |
| <span class="source-line-no">133</span><span id="line-133"> /**</span> |
| <span class="source-line-no">134</span><span id="line-134"> * Gets the table name tag.</span> |
| <span class="source-line-no">135</span><span id="line-135"> * @param cell The current cell.</span> |
| <span class="source-line-no">136</span><span id="line-136"> * @return The table name tag.</span> |
| <span class="source-line-no">137</span><span id="line-137"> */</span> |
| <span class="source-line-no">138</span><span id="line-138"> private static Optional<Tag> getTableNameTag(ExtendedCell cell) {</span> |
| <span class="source-line-no">139</span><span id="line-139"> Optional<Tag> tag = Optional.empty();</span> |
| <span class="source-line-no">140</span><span id="line-140"> if (cell.getTagsLength() > 0) {</span> |
| <span class="source-line-no">141</span><span id="line-141"> tag = PrivateCellUtil.getTag(cell, TagType.MOB_TABLE_NAME_TAG_TYPE);</span> |
| <span class="source-line-no">142</span><span id="line-142"> }</span> |
| <span class="source-line-no">143</span><span id="line-143"> return tag;</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> /**</span> |
| <span class="source-line-no">147</span><span id="line-147"> * Gets the table name from when this cell was written into a mob hfile as a string.</span> |
| <span class="source-line-no">148</span><span id="line-148"> * @param cell to extract tag from</span> |
| <span class="source-line-no">149</span><span id="line-149"> * @return table name as a string. empty if the tag is not found.</span> |
| <span class="source-line-no">150</span><span id="line-150"> */</span> |
| <span class="source-line-no">151</span><span id="line-151"> public static Optional<String> getTableNameString(ExtendedCell cell) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> Optional<Tag> tag = getTableNameTag(cell);</span> |
| <span class="source-line-no">153</span><span id="line-153"> Optional<String> name = Optional.empty();</span> |
| <span class="source-line-no">154</span><span id="line-154"> if (tag.isPresent()) {</span> |
| <span class="source-line-no">155</span><span id="line-155"> name = Optional.of(Tag.getValueAsString(tag.get()));</span> |
| <span class="source-line-no">156</span><span id="line-156"> }</span> |
| <span class="source-line-no">157</span><span id="line-157"> return name;</span> |
| <span class="source-line-no">158</span><span id="line-158"> }</span> |
| <span class="source-line-no">159</span><span id="line-159"></span> |
| <span class="source-line-no">160</span><span id="line-160"> /**</span> |
| <span class="source-line-no">161</span><span id="line-161"> * Get the table name from when this cell was written into a mob hfile as a TableName.</span> |
| <span class="source-line-no">162</span><span id="line-162"> * @param cell to extract tag from</span> |
| <span class="source-line-no">163</span><span id="line-163"> * @return name of table as a TableName. empty if the tag is not found.</span> |
| <span class="source-line-no">164</span><span id="line-164"> */</span> |
| <span class="source-line-no">165</span><span id="line-165"> public static Optional<TableName> getTableName(ExtendedCell cell) {</span> |
| <span class="source-line-no">166</span><span id="line-166"> Optional<Tag> maybe = getTableNameTag(cell);</span> |
| <span class="source-line-no">167</span><span id="line-167"> Optional<TableName> name = Optional.empty();</span> |
| <span class="source-line-no">168</span><span id="line-168"> if (maybe.isPresent()) {</span> |
| <span class="source-line-no">169</span><span id="line-169"> final Tag tag = maybe.get();</span> |
| <span class="source-line-no">170</span><span id="line-170"> if (tag.hasArray()) {</span> |
| <span class="source-line-no">171</span><span id="line-171"> name = Optional</span> |
| <span class="source-line-no">172</span><span id="line-172"> .of(TableName.valueOf(tag.getValueArray(), tag.getValueOffset(), tag.getValueLength()));</span> |
| <span class="source-line-no">173</span><span id="line-173"> } else {</span> |
| <span class="source-line-no">174</span><span id="line-174"> // TODO ByteBuffer handling in tags looks busted. revisit.</span> |
| <span class="source-line-no">175</span><span id="line-175"> ByteBuffer buffer = tag.getValueByteBuffer().duplicate();</span> |
| <span class="source-line-no">176</span><span id="line-176"> buffer.mark();</span> |
| <span class="source-line-no">177</span><span id="line-177"> buffer.position(tag.getValueOffset());</span> |
| <span class="source-line-no">178</span><span id="line-178"> buffer.limit(tag.getValueOffset() + tag.getValueLength());</span> |
| <span class="source-line-no">179</span><span id="line-179"> name = Optional.of(TableName.valueOf(buffer));</span> |
| <span class="source-line-no">180</span><span id="line-180"> }</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"> return name;</span> |
| <span class="source-line-no">183</span><span id="line-183"> }</span> |
| <span class="source-line-no">184</span><span id="line-184"></span> |
| <span class="source-line-no">185</span><span id="line-185"> /**</span> |
| <span class="source-line-no">186</span><span id="line-186"> * Whether the tag list has a mob reference tag.</span> |
| <span class="source-line-no">187</span><span id="line-187"> * @param tags The tag list.</span> |
| <span class="source-line-no">188</span><span id="line-188"> * @return True if the list has a mob reference tag, false if it doesn't.</span> |
| <span class="source-line-no">189</span><span id="line-189"> */</span> |
| <span class="source-line-no">190</span><span id="line-190"> public static boolean hasMobReferenceTag(List<Tag> tags) {</span> |
| <span class="source-line-no">191</span><span id="line-191"> if (!tags.isEmpty()) {</span> |
| <span class="source-line-no">192</span><span id="line-192"> for (Tag tag : tags) {</span> |
| <span class="source-line-no">193</span><span id="line-193"> if (tag.getType() == TagType.MOB_REFERENCE_TAG_TYPE) {</span> |
| <span class="source-line-no">194</span><span id="line-194"> return true;</span> |
| <span class="source-line-no">195</span><span id="line-195"> }</span> |
| <span class="source-line-no">196</span><span id="line-196"> }</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"> return false;</span> |
| <span class="source-line-no">199</span><span id="line-199"> }</span> |
| <span class="source-line-no">200</span><span id="line-200"></span> |
| <span class="source-line-no">201</span><span id="line-201"> /**</span> |
| <span class="source-line-no">202</span><span id="line-202"> * Indicates whether it's a raw scan. The information is set in the attribute "hbase.mob.scan.raw"</span> |
| <span class="source-line-no">203</span><span id="line-203"> * of scan. For a mob cell, in a normal scan the scanners retrieves the mob cell from the mob</span> |
| <span class="source-line-no">204</span><span id="line-204"> * file. In a raw scan, the scanner directly returns cell in HBase without retrieve the one in the</span> |
| <span class="source-line-no">205</span><span id="line-205"> * mob file.</span> |
| <span class="source-line-no">206</span><span id="line-206"> * @param scan The current scan.</span> |
| <span class="source-line-no">207</span><span id="line-207"> * @return True if it's a raw scan.</span> |
| <span class="source-line-no">208</span><span id="line-208"> */</span> |
| <span class="source-line-no">209</span><span id="line-209"> public static boolean isRawMobScan(Scan scan) {</span> |
| <span class="source-line-no">210</span><span id="line-210"> byte[] raw = scan.getAttribute(MobConstants.MOB_SCAN_RAW);</span> |
| <span class="source-line-no">211</span><span id="line-211"> try {</span> |
| <span class="source-line-no">212</span><span id="line-212"> return raw != null && Bytes.toBoolean(raw);</span> |
| <span class="source-line-no">213</span><span id="line-213"> } catch (IllegalArgumentException e) {</span> |
| <span class="source-line-no">214</span><span id="line-214"> return false;</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"> }</span> |
| <span class="source-line-no">217</span><span id="line-217"></span> |
| <span class="source-line-no">218</span><span id="line-218"> /**</span> |
| <span class="source-line-no">219</span><span id="line-219"> * Indicates whether it's a reference only scan. The information is set in the attribute</span> |
| <span class="source-line-no">220</span><span id="line-220"> * "hbase.mob.scan.ref.only" of scan. If it's a ref only scan, only the cells with ref tag are</span> |
| <span class="source-line-no">221</span><span id="line-221"> * returned.</span> |
| <span class="source-line-no">222</span><span id="line-222"> * @param scan The current scan.</span> |
| <span class="source-line-no">223</span><span id="line-223"> * @return True if it's a ref only scan.</span> |
| <span class="source-line-no">224</span><span id="line-224"> */</span> |
| <span class="source-line-no">225</span><span id="line-225"> public static boolean isRefOnlyScan(Scan scan) {</span> |
| <span class="source-line-no">226</span><span id="line-226"> byte[] refOnly = scan.getAttribute(MobConstants.MOB_SCAN_REF_ONLY);</span> |
| <span class="source-line-no">227</span><span id="line-227"> try {</span> |
| <span class="source-line-no">228</span><span id="line-228"> return refOnly != null && Bytes.toBoolean(refOnly);</span> |
| <span class="source-line-no">229</span><span id="line-229"> } catch (IllegalArgumentException e) {</span> |
| <span class="source-line-no">230</span><span id="line-230"> return false;</span> |
| <span class="source-line-no">231</span><span id="line-231"> }</span> |
| <span class="source-line-no">232</span><span id="line-232"> }</span> |
| <span class="source-line-no">233</span><span id="line-233"></span> |
| <span class="source-line-no">234</span><span id="line-234"> /**</span> |
| <span class="source-line-no">235</span><span id="line-235"> * Indicates whether the scan contains the information of caching blocks. The information is set</span> |
| <span class="source-line-no">236</span><span id="line-236"> * in the attribute "hbase.mob.cache.blocks" of scan.</span> |
| <span class="source-line-no">237</span><span id="line-237"> * @param scan The current scan.</span> |
| <span class="source-line-no">238</span><span id="line-238"> * @return True when the Scan attribute specifies to cache the MOB blocks.</span> |
| <span class="source-line-no">239</span><span id="line-239"> */</span> |
| <span class="source-line-no">240</span><span id="line-240"> public static boolean isCacheMobBlocks(Scan scan) {</span> |
| <span class="source-line-no">241</span><span id="line-241"> byte[] cache = scan.getAttribute(MobConstants.MOB_CACHE_BLOCKS);</span> |
| <span class="source-line-no">242</span><span id="line-242"> try {</span> |
| <span class="source-line-no">243</span><span id="line-243"> return cache != null && Bytes.toBoolean(cache);</span> |
| <span class="source-line-no">244</span><span id="line-244"> } catch (IllegalArgumentException e) {</span> |
| <span class="source-line-no">245</span><span id="line-245"> return false;</span> |
| <span class="source-line-no">246</span><span id="line-246"> }</span> |
| <span class="source-line-no">247</span><span id="line-247"> }</span> |
| <span class="source-line-no">248</span><span id="line-248"></span> |
| <span class="source-line-no">249</span><span id="line-249"> /**</span> |
| <span class="source-line-no">250</span><span id="line-250"> * Sets the attribute of caching blocks in the scan.</span> |
| <span class="source-line-no">251</span><span id="line-251"> * @param scan The current scan.</span> |
| <span class="source-line-no">252</span><span id="line-252"> * @param cacheBlocks True, set the attribute of caching blocks into the scan, the scanner with</span> |
| <span class="source-line-no">253</span><span id="line-253"> * this scan caches blocks. False, the scanner doesn't cache blocks for this</span> |
| <span class="source-line-no">254</span><span id="line-254"> * scan.</span> |
| <span class="source-line-no">255</span><span id="line-255"> */</span> |
| <span class="source-line-no">256</span><span id="line-256"> public static void setCacheMobBlocks(Scan scan, boolean cacheBlocks) {</span> |
| <span class="source-line-no">257</span><span id="line-257"> scan.setAttribute(MobConstants.MOB_CACHE_BLOCKS, Bytes.toBytes(cacheBlocks));</span> |
| <span class="source-line-no">258</span><span id="line-258"> }</span> |
| <span class="source-line-no">259</span><span id="line-259"></span> |
| <span class="source-line-no">260</span><span id="line-260"> /**</span> |
| <span class="source-line-no">261</span><span id="line-261"> * Cleans the expired mob files. Cleans the files whose creation date is older than (current -</span> |
| <span class="source-line-no">262</span><span id="line-262"> * columnFamily.ttl), and the minVersions of that column family is 0.</span> |
| <span class="source-line-no">263</span><span id="line-263"> * @param fs The current file system.</span> |
| <span class="source-line-no">264</span><span id="line-264"> * @param conf The current configuration.</span> |
| <span class="source-line-no">265</span><span id="line-265"> * @param tableName The current table name.</span> |
| <span class="source-line-no">266</span><span id="line-266"> * @param columnDescriptor The descriptor of the current column family.</span> |
| <span class="source-line-no">267</span><span id="line-267"> * @param cacheConfig The cacheConfig that disables the block cache.</span> |
| <span class="source-line-no">268</span><span id="line-268"> * @param current The current time.</span> |
| <span class="source-line-no">269</span><span id="line-269"> */</span> |
| <span class="source-line-no">270</span><span id="line-270"> public static void cleanExpiredMobFiles(FileSystem fs, Configuration conf, TableName tableName,</span> |
| <span class="source-line-no">271</span><span id="line-271"> ColumnFamilyDescriptor columnDescriptor, CacheConfig cacheConfig, long current)</span> |
| <span class="source-line-no">272</span><span id="line-272"> throws IOException {</span> |
| <span class="source-line-no">273</span><span id="line-273"> long timeToLive = columnDescriptor.getTimeToLive();</span> |
| <span class="source-line-no">274</span><span id="line-274"> if (Integer.MAX_VALUE == timeToLive) {</span> |
| <span class="source-line-no">275</span><span id="line-275"> // no need to clean, because the TTL is not set.</span> |
| <span class="source-line-no">276</span><span id="line-276"> return;</span> |
| <span class="source-line-no">277</span><span id="line-277"> }</span> |
| <span class="source-line-no">278</span><span id="line-278"></span> |
| <span class="source-line-no">279</span><span id="line-279"> Calendar calendar = Calendar.getInstance();</span> |
| <span class="source-line-no">280</span><span id="line-280"> calendar.setTimeInMillis(current - timeToLive * 1000);</span> |
| <span class="source-line-no">281</span><span id="line-281"> calendar.set(Calendar.HOUR_OF_DAY, 0);</span> |
| <span class="source-line-no">282</span><span id="line-282"> calendar.set(Calendar.MINUTE, 0);</span> |
| <span class="source-line-no">283</span><span id="line-283"> calendar.set(Calendar.SECOND, 0);</span> |
| <span class="source-line-no">284</span><span id="line-284"> calendar.set(Calendar.MILLISECOND, 0);</span> |
| <span class="source-line-no">285</span><span id="line-285"></span> |
| <span class="source-line-no">286</span><span id="line-286"> Date expireDate = calendar.getTime();</span> |
| <span class="source-line-no">287</span><span id="line-287"></span> |
| <span class="source-line-no">288</span><span id="line-288"> LOG.info("MOB HFiles older than " + expireDate.toGMTString() + " will be deleted!");</span> |
| <span class="source-line-no">289</span><span id="line-289"></span> |
| <span class="source-line-no">290</span><span id="line-290"> FileStatus[] stats = null;</span> |
| <span class="source-line-no">291</span><span id="line-291"> Path mobTableDir = CommonFSUtils.getTableDir(getMobHome(conf), tableName);</span> |
| <span class="source-line-no">292</span><span id="line-292"> Path path = getMobFamilyPath(conf, tableName, columnDescriptor.getNameAsString());</span> |
| <span class="source-line-no">293</span><span id="line-293"> try {</span> |
| <span class="source-line-no">294</span><span id="line-294"> stats = fs.listStatus(path);</span> |
| <span class="source-line-no">295</span><span id="line-295"> } catch (FileNotFoundException e) {</span> |
| <span class="source-line-no">296</span><span id="line-296"> LOG.warn("Failed to find the mob file " + path, e);</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"> if (null == stats) {</span> |
| <span class="source-line-no">299</span><span id="line-299"> // no file found</span> |
| <span class="source-line-no">300</span><span id="line-300"> return;</span> |
| <span class="source-line-no">301</span><span id="line-301"> }</span> |
| <span class="source-line-no">302</span><span id="line-302"> List<HStoreFile> filesToClean = new ArrayList<>();</span> |
| <span class="source-line-no">303</span><span id="line-303"> int deletedFileCount = 0;</span> |
| <span class="source-line-no">304</span><span id="line-304"> for (FileStatus file : stats) {</span> |
| <span class="source-line-no">305</span><span id="line-305"> String fileName = file.getPath().getName();</span> |
| <span class="source-line-no">306</span><span id="line-306"> try {</span> |
| <span class="source-line-no">307</span><span id="line-307"> if (HFileLink.isHFileLink(file.getPath())) {</span> |
| <span class="source-line-no">308</span><span id="line-308"> HFileLink hfileLink = HFileLink.buildFromHFileLinkPattern(conf, file.getPath());</span> |
| <span class="source-line-no">309</span><span id="line-309"> fileName = hfileLink.getOriginPath().getName();</span> |
| <span class="source-line-no">310</span><span id="line-310"> }</span> |
| <span class="source-line-no">311</span><span id="line-311"></span> |
| <span class="source-line-no">312</span><span id="line-312"> Date fileDate = parseDate(MobFileName.getDateFromName(fileName));</span> |
| <span class="source-line-no">313</span><span id="line-313"></span> |
| <span class="source-line-no">314</span><span id="line-314"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">315</span><span id="line-315"> LOG.debug("Checking file {}", fileName);</span> |
| <span class="source-line-no">316</span><span id="line-316"> }</span> |
| <span class="source-line-no">317</span><span id="line-317"> if (fileDate.getTime() < expireDate.getTime()) {</span> |
| <span class="source-line-no">318</span><span id="line-318"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">319</span><span id="line-319"> LOG.debug("{} is an expired file", fileName);</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"> filesToClean</span> |
| <span class="source-line-no">322</span><span id="line-322"> .add(new HStoreFile(fs, file.getPath(), conf, cacheConfig, BloomType.NONE, true));</span> |
| <span class="source-line-no">323</span><span id="line-323"> if (</span> |
| <span class="source-line-no">324</span><span id="line-324"> filesToClean.size() >= conf.getInt(MOB_CLEANER_BATCH_SIZE_UPPER_BOUND,</span> |
| <span class="source-line-no">325</span><span id="line-325"> DEFAULT_MOB_CLEANER_BATCH_SIZE_UPPER_BOUND)</span> |
| <span class="source-line-no">326</span><span id="line-326"> ) {</span> |
| <span class="source-line-no">327</span><span id="line-327"> if (</span> |
| <span class="source-line-no">328</span><span id="line-328"> removeMobFiles(conf, fs, tableName, mobTableDir, columnDescriptor.getName(),</span> |
| <span class="source-line-no">329</span><span id="line-329"> filesToClean)</span> |
| <span class="source-line-no">330</span><span id="line-330"> ) {</span> |
| <span class="source-line-no">331</span><span id="line-331"> deletedFileCount += filesToClean.size();</span> |
| <span class="source-line-no">332</span><span id="line-332"> }</span> |
| <span class="source-line-no">333</span><span id="line-333"> filesToClean.clear();</span> |
| <span class="source-line-no">334</span><span id="line-334"> }</span> |
| <span class="source-line-no">335</span><span id="line-335"> }</span> |
| <span class="source-line-no">336</span><span id="line-336"> } catch (Exception e) {</span> |
| <span class="source-line-no">337</span><span id="line-337"> LOG.error("Cannot parse the fileName " + fileName, e);</span> |
| <span class="source-line-no">338</span><span id="line-338"> }</span> |
| <span class="source-line-no">339</span><span id="line-339"> }</span> |
| <span class="source-line-no">340</span><span id="line-340"> if (</span> |
| <span class="source-line-no">341</span><span id="line-341"> !filesToClean.isEmpty() && removeMobFiles(conf, fs, tableName, mobTableDir,</span> |
| <span class="source-line-no">342</span><span id="line-342"> columnDescriptor.getName(), filesToClean)</span> |
| <span class="source-line-no">343</span><span id="line-343"> ) {</span> |
| <span class="source-line-no">344</span><span id="line-344"> deletedFileCount += filesToClean.size();</span> |
| <span class="source-line-no">345</span><span id="line-345"> }</span> |
| <span class="source-line-no">346</span><span id="line-346"> LOG.info("Table {} {} expired mob files in total are deleted", tableName, deletedFileCount);</span> |
| <span class="source-line-no">347</span><span id="line-347"> }</span> |
| <span class="source-line-no">348</span><span id="line-348"></span> |
| <span class="source-line-no">349</span><span id="line-349"> /**</span> |
| <span class="source-line-no">350</span><span id="line-350"> * Gets the root dir of the mob files. It's {HBASE_DIR}/mobdir.</span> |
| <span class="source-line-no">351</span><span id="line-351"> * @param conf The current configuration.</span> |
| <span class="source-line-no">352</span><span id="line-352"> * @return the root dir of the mob file.</span> |
| <span class="source-line-no">353</span><span id="line-353"> */</span> |
| <span class="source-line-no">354</span><span id="line-354"> public static Path getMobHome(Configuration conf) {</span> |
| <span class="source-line-no">355</span><span id="line-355"> Path hbaseDir = new Path(conf.get(HConstants.HBASE_DIR));</span> |
| <span class="source-line-no">356</span><span id="line-356"> return getMobHome(hbaseDir);</span> |
| <span class="source-line-no">357</span><span id="line-357"> }</span> |
| <span class="source-line-no">358</span><span id="line-358"></span> |
| <span class="source-line-no">359</span><span id="line-359"> /**</span> |
| <span class="source-line-no">360</span><span id="line-360"> * Gets the root dir of the mob files under the qualified HBase root dir. It's {rootDir}/mobdir.</span> |
| <span class="source-line-no">361</span><span id="line-361"> * @param rootDir The qualified path of HBase root directory.</span> |
| <span class="source-line-no">362</span><span id="line-362"> * @return The root dir of the mob file.</span> |
| <span class="source-line-no">363</span><span id="line-363"> */</span> |
| <span class="source-line-no">364</span><span id="line-364"> public static Path getMobHome(Path rootDir) {</span> |
| <span class="source-line-no">365</span><span id="line-365"> return new Path(rootDir, MobConstants.MOB_DIR_NAME);</span> |
| <span class="source-line-no">366</span><span id="line-366"> }</span> |
| <span class="source-line-no">367</span><span id="line-367"></span> |
| <span class="source-line-no">368</span><span id="line-368"> /**</span> |
| <span class="source-line-no">369</span><span id="line-369"> * Gets the qualified root dir of the mob files.</span> |
| <span class="source-line-no">370</span><span id="line-370"> * @param conf The current configuration.</span> |
| <span class="source-line-no">371</span><span id="line-371"> * @return The qualified root dir.</span> |
| <span class="source-line-no">372</span><span id="line-372"> */</span> |
| <span class="source-line-no">373</span><span id="line-373"> public static Path getQualifiedMobRootDir(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">374</span><span id="line-374"> Path hbaseDir = new Path(conf.get(HConstants.HBASE_DIR));</span> |
| <span class="source-line-no">375</span><span id="line-375"> Path mobRootDir = new Path(hbaseDir, MobConstants.MOB_DIR_NAME);</span> |
| <span class="source-line-no">376</span><span id="line-376"> FileSystem fs = mobRootDir.getFileSystem(conf);</span> |
| <span class="source-line-no">377</span><span id="line-377"> return mobRootDir.makeQualified(fs.getUri(), fs.getWorkingDirectory());</span> |
| <span class="source-line-no">378</span><span id="line-378"> }</span> |
| <span class="source-line-no">379</span><span id="line-379"></span> |
| <span class="source-line-no">380</span><span id="line-380"> /**</span> |
| <span class="source-line-no">381</span><span id="line-381"> * Gets the table dir of the mob files under the qualified HBase root dir. It's</span> |
| <span class="source-line-no">382</span><span id="line-382"> * {rootDir}/mobdir/data/${namespace}/${tableName}</span> |
| <span class="source-line-no">383</span><span id="line-383"> * @param rootDir The qualified path of HBase root directory.</span> |
| <span class="source-line-no">384</span><span id="line-384"> * @param tableName The name of table.</span> |
| <span class="source-line-no">385</span><span id="line-385"> * @return The table dir of the mob file.</span> |
| <span class="source-line-no">386</span><span id="line-386"> */</span> |
| <span class="source-line-no">387</span><span id="line-387"> public static Path getMobTableDir(Path rootDir, TableName tableName) {</span> |
| <span class="source-line-no">388</span><span id="line-388"> return CommonFSUtils.getTableDir(getMobHome(rootDir), tableName);</span> |
| <span class="source-line-no">389</span><span id="line-389"> }</span> |
| <span class="source-line-no">390</span><span id="line-390"></span> |
| <span class="source-line-no">391</span><span id="line-391"> /**</span> |
| <span class="source-line-no">392</span><span id="line-392"> * Gets the region dir of the mob files. It's</span> |
| <span class="source-line-no">393</span><span id="line-393"> * {HBASE_DIR}/mobdir/data/{namespace}/{tableName}/{regionEncodedName}.</span> |
| <span class="source-line-no">394</span><span id="line-394"> * @param conf The current configuration.</span> |
| <span class="source-line-no">395</span><span id="line-395"> * @param tableName The current table name.</span> |
| <span class="source-line-no">396</span><span id="line-396"> * @return The region dir of the mob files.</span> |
| <span class="source-line-no">397</span><span id="line-397"> */</span> |
| <span class="source-line-no">398</span><span id="line-398"> public static Path getMobRegionPath(Configuration conf, TableName tableName) {</span> |
| <span class="source-line-no">399</span><span id="line-399"> return getMobRegionPath(new Path(conf.get(HConstants.HBASE_DIR)), tableName);</span> |
| <span class="source-line-no">400</span><span id="line-400"> }</span> |
| <span class="source-line-no">401</span><span id="line-401"></span> |
| <span class="source-line-no">402</span><span id="line-402"> /**</span> |
| <span class="source-line-no">403</span><span id="line-403"> * Gets the region dir of the mob files under the specified root dir. It's</span> |
| <span class="source-line-no">404</span><span id="line-404"> * {rootDir}/mobdir/data/{namespace}/{tableName}/{regionEncodedName}.</span> |
| <span class="source-line-no">405</span><span id="line-405"> * @param rootDir The qualified path of HBase root directory.</span> |
| <span class="source-line-no">406</span><span id="line-406"> * @param tableName The current table name.</span> |
| <span class="source-line-no">407</span><span id="line-407"> * @return The region dir of the mob files.</span> |
| <span class="source-line-no">408</span><span id="line-408"> */</span> |
| <span class="source-line-no">409</span><span id="line-409"> public static Path getMobRegionPath(Path rootDir, TableName tableName) {</span> |
| <span class="source-line-no">410</span><span id="line-410"> Path tablePath = CommonFSUtils.getTableDir(getMobHome(rootDir), tableName);</span> |
| <span class="source-line-no">411</span><span id="line-411"> RegionInfo regionInfo = getMobRegionInfo(tableName);</span> |
| <span class="source-line-no">412</span><span id="line-412"> return new Path(tablePath, regionInfo.getEncodedName());</span> |
| <span class="source-line-no">413</span><span id="line-413"> }</span> |
| <span class="source-line-no">414</span><span id="line-414"></span> |
| <span class="source-line-no">415</span><span id="line-415"> /**</span> |
| <span class="source-line-no">416</span><span id="line-416"> * Gets the family dir of the mob files. It's</span> |
| <span class="source-line-no">417</span><span id="line-417"> * {HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.</span> |
| <span class="source-line-no">418</span><span id="line-418"> * @param conf The current configuration.</span> |
| <span class="source-line-no">419</span><span id="line-419"> * @param tableName The current table name.</span> |
| <span class="source-line-no">420</span><span id="line-420"> * @param familyName The current family name.</span> |
| <span class="source-line-no">421</span><span id="line-421"> * @return The family dir of the mob files.</span> |
| <span class="source-line-no">422</span><span id="line-422"> */</span> |
| <span class="source-line-no">423</span><span id="line-423"> public static Path getMobFamilyPath(Configuration conf, TableName tableName, String familyName) {</span> |
| <span class="source-line-no">424</span><span id="line-424"> return new Path(getMobRegionPath(conf, tableName), familyName);</span> |
| <span class="source-line-no">425</span><span id="line-425"> }</span> |
| <span class="source-line-no">426</span><span id="line-426"></span> |
| <span class="source-line-no">427</span><span id="line-427"> /**</span> |
| <span class="source-line-no">428</span><span id="line-428"> * Gets the family dir of the mob files. It's</span> |
| <span class="source-line-no">429</span><span id="line-429"> * {HBASE_DIR}/mobdir/{namespace}/{tableName}/{regionEncodedName}/{columnFamilyName}.</span> |
| <span class="source-line-no">430</span><span id="line-430"> * @param regionPath The path of mob region which is a dummy one.</span> |
| <span class="source-line-no">431</span><span id="line-431"> * @param familyName The current family name.</span> |
| <span class="source-line-no">432</span><span id="line-432"> * @return The family dir of the mob files.</span> |
| <span class="source-line-no">433</span><span id="line-433"> */</span> |
| <span class="source-line-no">434</span><span id="line-434"> public static Path getMobFamilyPath(Path regionPath, String familyName) {</span> |
| <span class="source-line-no">435</span><span id="line-435"> return new Path(regionPath, familyName);</span> |
| <span class="source-line-no">436</span><span id="line-436"> }</span> |
| <span class="source-line-no">437</span><span id="line-437"></span> |
| <span class="source-line-no">438</span><span id="line-438"> /**</span> |
| <span class="source-line-no">439</span><span id="line-439"> * Gets the RegionInfo of the mob files. This is a dummy region. The mob files are not saved in a</span> |
| <span class="source-line-no">440</span><span id="line-440"> * region in HBase. It's internally used only.</span> |
| <span class="source-line-no">441</span><span id="line-441"> * @return A dummy mob region info.</span> |
| <span class="source-line-no">442</span><span id="line-442"> */</span> |
| <span class="source-line-no">443</span><span id="line-443"> public static RegionInfo getMobRegionInfo(TableName tableName) {</span> |
| <span class="source-line-no">444</span><span id="line-444"> return RegionInfoBuilder.newBuilder(tableName).setStartKey(MobConstants.MOB_REGION_NAME_BYTES)</span> |
| <span class="source-line-no">445</span><span id="line-445"> .setEndKey(HConstants.EMPTY_END_ROW).setSplit(false).setRegionId(0).build();</span> |
| <span class="source-line-no">446</span><span id="line-446"> }</span> |
| <span class="source-line-no">447</span><span id="line-447"></span> |
| <span class="source-line-no">448</span><span id="line-448"> /**</span> |
| <span class="source-line-no">449</span><span id="line-449"> * Gets whether the current RegionInfo is a mob one.</span> |
| <span class="source-line-no">450</span><span id="line-450"> * @param regionInfo The current RegionInfo.</span> |
| <span class="source-line-no">451</span><span id="line-451"> * @return If true, the current RegionInfo is a mob one.</span> |
| <span class="source-line-no">452</span><span id="line-452"> */</span> |
| <span class="source-line-no">453</span><span id="line-453"> public static boolean isMobRegionInfo(RegionInfo regionInfo) {</span> |
| <span class="source-line-no">454</span><span id="line-454"> return regionInfo == null</span> |
| <span class="source-line-no">455</span><span id="line-455"> ? false</span> |
| <span class="source-line-no">456</span><span id="line-456"> : getMobRegionInfo(regionInfo.getTable()).getEncodedName()</span> |
| <span class="source-line-no">457</span><span id="line-457"> .equals(regionInfo.getEncodedName());</span> |
| <span class="source-line-no">458</span><span id="line-458"> }</span> |
| <span class="source-line-no">459</span><span id="line-459"></span> |
| <span class="source-line-no">460</span><span id="line-460"> /**</span> |
| <span class="source-line-no">461</span><span id="line-461"> * Gets whether the current region name follows the pattern of a mob region name.</span> |
| <span class="source-line-no">462</span><span id="line-462"> * @param tableName The current table name.</span> |
| <span class="source-line-no">463</span><span id="line-463"> * @param regionName The current region name.</span> |
| <span class="source-line-no">464</span><span id="line-464"> * @return True if the current region name follows the pattern of a mob region name.</span> |
| <span class="source-line-no">465</span><span id="line-465"> */</span> |
| <span class="source-line-no">466</span><span id="line-466"> public static boolean isMobRegionName(TableName tableName, byte[] regionName) {</span> |
| <span class="source-line-no">467</span><span id="line-467"> return Bytes.equals(regionName, getMobRegionInfo(tableName).getRegionName());</span> |
| <span class="source-line-no">468</span><span id="line-468"> }</span> |
| <span class="source-line-no">469</span><span id="line-469"></span> |
| <span class="source-line-no">470</span><span id="line-470"> /**</span> |
| <span class="source-line-no">471</span><span id="line-471"> * Archives the mob files.</span> |
| <span class="source-line-no">472</span><span id="line-472"> * @param conf The current configuration.</span> |
| <span class="source-line-no">473</span><span id="line-473"> * @param fs The current file system.</span> |
| <span class="source-line-no">474</span><span id="line-474"> * @param tableName The table name.</span> |
| <span class="source-line-no">475</span><span id="line-475"> * @param tableDir The table directory.</span> |
| <span class="source-line-no">476</span><span id="line-476"> * @param family The name of the column family.</span> |
| <span class="source-line-no">477</span><span id="line-477"> * @param storeFiles The files to be deleted.</span> |
| <span class="source-line-no">478</span><span id="line-478"> */</span> |
| <span class="source-line-no">479</span><span id="line-479"> public static boolean removeMobFiles(Configuration conf, FileSystem fs, TableName tableName,</span> |
| <span class="source-line-no">480</span><span id="line-480"> Path tableDir, byte[] family, Collection<HStoreFile> storeFiles) {</span> |
| <span class="source-line-no">481</span><span id="line-481"> try {</span> |
| <span class="source-line-no">482</span><span id="line-482"> HFileArchiver.archiveStoreFiles(conf, fs, getMobRegionInfo(tableName), tableDir, family,</span> |
| <span class="source-line-no">483</span><span id="line-483"> storeFiles);</span> |
| <span class="source-line-no">484</span><span id="line-484"> LOG.info("Table {} {} expired mob files are deleted", tableName, storeFiles.size());</span> |
| <span class="source-line-no">485</span><span id="line-485"> return true;</span> |
| <span class="source-line-no">486</span><span id="line-486"> } catch (IOException e) {</span> |
| <span class="source-line-no">487</span><span id="line-487"> LOG.error("Failed to delete the mob files, table {}", tableName, e);</span> |
| <span class="source-line-no">488</span><span id="line-488"> }</span> |
| <span class="source-line-no">489</span><span id="line-489"> return false;</span> |
| <span class="source-line-no">490</span><span id="line-490"> }</span> |
| <span class="source-line-no">491</span><span id="line-491"></span> |
| <span class="source-line-no">492</span><span id="line-492"> /**</span> |
| <span class="source-line-no">493</span><span id="line-493"> * Creates a mob reference KeyValue. The value of the mob reference KeyValue is mobCellValueSize +</span> |
| <span class="source-line-no">494</span><span id="line-494"> * mobFileName.</span> |
| <span class="source-line-no">495</span><span id="line-495"> * @param cell The original Cell.</span> |
| <span class="source-line-no">496</span><span id="line-496"> * @param fileName The mob file name where the mob reference KeyValue is written.</span> |
| <span class="source-line-no">497</span><span id="line-497"> * @param tableNameTag The tag of the current table name. It's very important in cloning the</span> |
| <span class="source-line-no">498</span><span id="line-498"> * snapshot.</span> |
| <span class="source-line-no">499</span><span id="line-499"> * @return The mob reference KeyValue.</span> |
| <span class="source-line-no">500</span><span id="line-500"> */</span> |
| <span class="source-line-no">501</span><span id="line-501"> public static ExtendedCell createMobRefCell(ExtendedCell cell, byte[] fileName,</span> |
| <span class="source-line-no">502</span><span id="line-502"> Tag tableNameTag) {</span> |
| <span class="source-line-no">503</span><span id="line-503"> // Append the tags to the KeyValue.</span> |
| <span class="source-line-no">504</span><span id="line-504"> // The key is same, the value is the filename of the mob file</span> |
| <span class="source-line-no">505</span><span id="line-505"> List<Tag> tags = new ArrayList<>();</span> |
| <span class="source-line-no">506</span><span id="line-506"> // Add the ref tag as the 1st one.</span> |
| <span class="source-line-no">507</span><span id="line-507"> tags.add(MobConstants.MOB_REF_TAG);</span> |
| <span class="source-line-no">508</span><span id="line-508"> // Add the tag of the source table name, this table is where this mob file is flushed</span> |
| <span class="source-line-no">509</span><span id="line-509"> // from.</span> |
| <span class="source-line-no">510</span><span id="line-510"> // It's very useful in cloning the snapshot. When reading from the cloning table, we need to</span> |
| <span class="source-line-no">511</span><span id="line-511"> // find the original mob files by this table name. For details please see cloning</span> |
| <span class="source-line-no">512</span><span id="line-512"> // snapshot for mob files.</span> |
| <span class="source-line-no">513</span><span id="line-513"> tags.add(tableNameTag);</span> |
| <span class="source-line-no">514</span><span id="line-514"> return createMobRefCell(cell, fileName, TagUtil.fromList(tags));</span> |
| <span class="source-line-no">515</span><span id="line-515"> }</span> |
| <span class="source-line-no">516</span><span id="line-516"></span> |
| <span class="source-line-no">517</span><span id="line-517"> public static ExtendedCell createMobRefCell(ExtendedCell cell, byte[] fileName,</span> |
| <span class="source-line-no">518</span><span id="line-518"> byte[] refCellTags) {</span> |
| <span class="source-line-no">519</span><span id="line-519"> byte[] refValue = Bytes.add(Bytes.toBytes(cell.getValueLength()), fileName);</span> |
| <span class="source-line-no">520</span><span id="line-520"> return PrivateCellUtil.createCell(cell, refValue, TagUtil.concatTags(refCellTags, cell));</span> |
| <span class="source-line-no">521</span><span id="line-521"> }</span> |
| <span class="source-line-no">522</span><span id="line-522"></span> |
| <span class="source-line-no">523</span><span id="line-523"> /**</span> |
| <span class="source-line-no">524</span><span id="line-524"> * Creates a writer for the mob file in temp directory.</span> |
| <span class="source-line-no">525</span><span id="line-525"> * @param conf The current configuration.</span> |
| <span class="source-line-no">526</span><span id="line-526"> * @param fs The current file system.</span> |
| <span class="source-line-no">527</span><span id="line-527"> * @param family The descriptor of the current column family.</span> |
| <span class="source-line-no">528</span><span id="line-528"> * @param date The date string, its format is yyyymmmdd.</span> |
| <span class="source-line-no">529</span><span id="line-529"> * @param basePath The basic path for a temp directory.</span> |
| <span class="source-line-no">530</span><span id="line-530"> * @param maxKeyCount The key count.</span> |
| <span class="source-line-no">531</span><span id="line-531"> * @param compression The compression algorithm.</span> |
| <span class="source-line-no">532</span><span id="line-532"> * @param startKey The hex string of the start key.</span> |
| <span class="source-line-no">533</span><span id="line-533"> * @param cacheConfig The current cache config.</span> |
| <span class="source-line-no">534</span><span id="line-534"> * @param cryptoContext The encryption context.</span> |
| <span class="source-line-no">535</span><span id="line-535"> * @param isCompaction If the writer is used in compaction.</span> |
| <span class="source-line-no">536</span><span id="line-536"> * @return The writer for the mob file.</span> |
| <span class="source-line-no">537</span><span id="line-537"> */</span> |
| <span class="source-line-no">538</span><span id="line-538"> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,</span> |
| <span class="source-line-no">539</span><span id="line-539"> ColumnFamilyDescriptor family, String date, Path basePath, long maxKeyCount,</span> |
| <span class="source-line-no">540</span><span id="line-540"> Compression.Algorithm compression, String startKey, CacheConfig cacheConfig,</span> |
| <span class="source-line-no">541</span><span id="line-541"> Encryption.Context cryptoContext, boolean isCompaction, String regionName) throws IOException {</span> |
| <span class="source-line-no">542</span><span id="line-542"> MobFileName mobFileName = MobFileName.create(startKey, date,</span> |
| <span class="source-line-no">543</span><span id="line-543"> UUID.randomUUID().toString().replaceAll("-", ""), regionName);</span> |
| <span class="source-line-no">544</span><span id="line-544"> return createWriter(conf, fs, family, mobFileName, basePath, maxKeyCount, compression,</span> |
| <span class="source-line-no">545</span><span id="line-545"> cacheConfig, cryptoContext, isCompaction);</span> |
| <span class="source-line-no">546</span><span id="line-546"> }</span> |
| <span class="source-line-no">547</span><span id="line-547"></span> |
| <span class="source-line-no">548</span><span id="line-548"> /**</span> |
| <span class="source-line-no">549</span><span id="line-549"> * Creates a writer for the mob file in temp directory.</span> |
| <span class="source-line-no">550</span><span id="line-550"> * @param conf The current configuration.</span> |
| <span class="source-line-no">551</span><span id="line-551"> * @param fs The current file system.</span> |
| <span class="source-line-no">552</span><span id="line-552"> * @param family The descriptor of the current column family.</span> |
| <span class="source-line-no">553</span><span id="line-553"> * @param mobFileName The mob file name.</span> |
| <span class="source-line-no">554</span><span id="line-554"> * @param basePath The basic path for a temp directory.</span> |
| <span class="source-line-no">555</span><span id="line-555"> * @param maxKeyCount The key count.</span> |
| <span class="source-line-no">556</span><span id="line-556"> * @param compression The compression algorithm.</span> |
| <span class="source-line-no">557</span><span id="line-557"> * @param cacheConfig The current cache config.</span> |
| <span class="source-line-no">558</span><span id="line-558"> * @param cryptoContext The encryption context.</span> |
| <span class="source-line-no">559</span><span id="line-559"> * @param isCompaction If the writer is used in compaction.</span> |
| <span class="source-line-no">560</span><span id="line-560"> * @return The writer for the mob file.</span> |
| <span class="source-line-no">561</span><span id="line-561"> */</span> |
| <span class="source-line-no">562</span><span id="line-562"> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,</span> |
| <span class="source-line-no">563</span><span id="line-563"> ColumnFamilyDescriptor family, MobFileName mobFileName, Path basePath, long maxKeyCount,</span> |
| <span class="source-line-no">564</span><span id="line-564"> Compression.Algorithm compression, CacheConfig cacheConfig, Encryption.Context cryptoContext,</span> |
| <span class="source-line-no">565</span><span id="line-565"> boolean isCompaction) throws IOException {</span> |
| <span class="source-line-no">566</span><span id="line-566"> return createWriter(conf, fs, family, new Path(basePath, mobFileName.getFileName()),</span> |
| <span class="source-line-no">567</span><span id="line-567"> maxKeyCount, compression, cacheConfig, cryptoContext, StoreUtils.getChecksumType(conf),</span> |
| <span class="source-line-no">568</span><span id="line-568"> StoreUtils.getBytesPerChecksum(conf), family.getBlocksize(), BloomType.NONE, isCompaction);</span> |
| <span class="source-line-no">569</span><span id="line-569"> }</span> |
| <span class="source-line-no">570</span><span id="line-570"></span> |
| <span class="source-line-no">571</span><span id="line-571"> /**</span> |
| <span class="source-line-no">572</span><span id="line-572"> * Creates a writer for the mob file in temp directory.</span> |
| <span class="source-line-no">573</span><span id="line-573"> * @param conf The current configuration.</span> |
| <span class="source-line-no">574</span><span id="line-574"> * @param fs The current file system.</span> |
| <span class="source-line-no">575</span><span id="line-575"> * @param family The descriptor of the current column family.</span> |
| <span class="source-line-no">576</span><span id="line-576"> * @param path The path for a temp directory.</span> |
| <span class="source-line-no">577</span><span id="line-577"> * @param maxKeyCount The key count.</span> |
| <span class="source-line-no">578</span><span id="line-578"> * @param compression The compression algorithm.</span> |
| <span class="source-line-no">579</span><span id="line-579"> * @param cacheConfig The current cache config.</span> |
| <span class="source-line-no">580</span><span id="line-580"> * @param cryptoContext The encryption context.</span> |
| <span class="source-line-no">581</span><span id="line-581"> * @param checksumType The checksum type.</span> |
| <span class="source-line-no">582</span><span id="line-582"> * @param bytesPerChecksum The bytes per checksum.</span> |
| <span class="source-line-no">583</span><span id="line-583"> * @param blocksize The HFile block size.</span> |
| <span class="source-line-no">584</span><span id="line-584"> * @param bloomType The bloom filter type.</span> |
| <span class="source-line-no">585</span><span id="line-585"> * @param isCompaction If the writer is used in compaction.</span> |
| <span class="source-line-no">586</span><span id="line-586"> * @return The writer for the mob file.</span> |
| <span class="source-line-no">587</span><span id="line-587"> */</span> |
| <span class="source-line-no">588</span><span id="line-588"> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,</span> |
| <span class="source-line-no">589</span><span id="line-589"> ColumnFamilyDescriptor family, Path path, long maxKeyCount, Compression.Algorithm compression,</span> |
| <span class="source-line-no">590</span><span id="line-590"> CacheConfig cacheConfig, Encryption.Context cryptoContext, ChecksumType checksumType,</span> |
| <span class="source-line-no">591</span><span id="line-591"> int bytesPerChecksum, int blocksize, BloomType bloomType, boolean isCompaction)</span> |
| <span class="source-line-no">592</span><span id="line-592"> throws IOException {</span> |
| <span class="source-line-no">593</span><span id="line-593"> return createWriter(conf, fs, family, path, maxKeyCount, compression, cacheConfig,</span> |
| <span class="source-line-no">594</span><span id="line-594"> cryptoContext, checksumType, bytesPerChecksum, blocksize, bloomType, isCompaction, null);</span> |
| <span class="source-line-no">595</span><span id="line-595"> }</span> |
| <span class="source-line-no">596</span><span id="line-596"></span> |
| <span class="source-line-no">597</span><span id="line-597"> /**</span> |
| <span class="source-line-no">598</span><span id="line-598"> * Creates a writer for the mob file in temp directory.</span> |
| <span class="source-line-no">599</span><span id="line-599"> * @param conf The current configuration.</span> |
| <span class="source-line-no">600</span><span id="line-600"> * @param fs The current file system.</span> |
| <span class="source-line-no">601</span><span id="line-601"> * @param family The descriptor of the current column family.</span> |
| <span class="source-line-no">602</span><span id="line-602"> * @param path The path for a temp directory.</span> |
| <span class="source-line-no">603</span><span id="line-603"> * @param maxKeyCount The key count.</span> |
| <span class="source-line-no">604</span><span id="line-604"> * @param compression The compression algorithm.</span> |
| <span class="source-line-no">605</span><span id="line-605"> * @param cacheConfig The current cache config.</span> |
| <span class="source-line-no">606</span><span id="line-606"> * @param cryptoContext The encryption context.</span> |
| <span class="source-line-no">607</span><span id="line-607"> * @param checksumType The checksum type.</span> |
| <span class="source-line-no">608</span><span id="line-608"> * @param bytesPerChecksum The bytes per checksum.</span> |
| <span class="source-line-no">609</span><span id="line-609"> * @param blocksize The HFile block size.</span> |
| <span class="source-line-no">610</span><span id="line-610"> * @param bloomType The bloom filter type.</span> |
| <span class="source-line-no">611</span><span id="line-611"> * @param isCompaction If the writer is used in compaction.</span> |
| <span class="source-line-no">612</span><span id="line-612"> * @param writerCreationTracker to track the current writer in the store</span> |
| <span class="source-line-no">613</span><span id="line-613"> * @return The writer for the mob file.</span> |
| <span class="source-line-no">614</span><span id="line-614"> */</span> |
| <span class="source-line-no">615</span><span id="line-615"> public static StoreFileWriter createWriter(Configuration conf, FileSystem fs,</span> |
| <span class="source-line-no">616</span><span id="line-616"> ColumnFamilyDescriptor family, Path path, long maxKeyCount, Compression.Algorithm compression,</span> |
| <span class="source-line-no">617</span><span id="line-617"> CacheConfig cacheConfig, Encryption.Context cryptoContext, ChecksumType checksumType,</span> |
| <span class="source-line-no">618</span><span id="line-618"> int bytesPerChecksum, int blocksize, BloomType bloomType, boolean isCompaction,</span> |
| <span class="source-line-no">619</span><span id="line-619"> Consumer<Path> writerCreationTracker) throws IOException {</span> |
| <span class="source-line-no">620</span><span id="line-620"> if (compression == null) {</span> |
| <span class="source-line-no">621</span><span id="line-621"> compression = HFile.DEFAULT_COMPRESSION_ALGORITHM;</span> |
| <span class="source-line-no">622</span><span id="line-622"> }</span> |
| <span class="source-line-no">623</span><span id="line-623"> final CacheConfig writerCacheConf;</span> |
| <span class="source-line-no">624</span><span id="line-624"> if (isCompaction) {</span> |
| <span class="source-line-no">625</span><span id="line-625"> writerCacheConf = new CacheConfig(cacheConfig);</span> |
| <span class="source-line-no">626</span><span id="line-626"> writerCacheConf.setCacheDataOnWrite(false);</span> |
| <span class="source-line-no">627</span><span id="line-627"> } else {</span> |
| <span class="source-line-no">628</span><span id="line-628"> writerCacheConf = cacheConfig;</span> |
| <span class="source-line-no">629</span><span id="line-629"> }</span> |
| <span class="source-line-no">630</span><span id="line-630"> HFileContext hFileContext = new HFileContextBuilder().withCompression(compression)</span> |
| <span class="source-line-no">631</span><span id="line-631"> .withIncludesMvcc(true).withIncludesTags(true).withCompressTags(family.isCompressTags())</span> |
| <span class="source-line-no">632</span><span id="line-632"> .withChecksumType(checksumType).withBytesPerCheckSum(bytesPerChecksum)</span> |
| <span class="source-line-no">633</span><span id="line-633"> .withBlockSize(blocksize).withHBaseCheckSum(true)</span> |
| <span class="source-line-no">634</span><span id="line-634"> .withDataBlockEncoding(family.getDataBlockEncoding()).withEncryptionContext(cryptoContext)</span> |
| <span class="source-line-no">635</span><span id="line-635"> .withCreateTime(EnvironmentEdgeManager.currentTime()).build();</span> |
| <span class="source-line-no">636</span><span id="line-636"></span> |
| <span class="source-line-no">637</span><span id="line-637"> StoreFileWriter w = new StoreFileWriter.Builder(conf, writerCacheConf, fs).withFilePath(path)</span> |
| <span class="source-line-no">638</span><span id="line-638"> .withBloomType(bloomType).withMaxKeyCount(maxKeyCount).withFileContext(hFileContext)</span> |
| <span class="source-line-no">639</span><span id="line-639"> .withWriterCreationTracker(writerCreationTracker).build();</span> |
| <span class="source-line-no">640</span><span id="line-640"> return w;</span> |
| <span class="source-line-no">641</span><span id="line-641"> }</span> |
| <span class="source-line-no">642</span><span id="line-642"></span> |
| <span class="source-line-no">643</span><span id="line-643"> /**</span> |
| <span class="source-line-no">644</span><span id="line-644"> * Indicates whether the current mob ref cell has a valid value. A mob ref cell has a mob</span> |
| <span class="source-line-no">645</span><span id="line-645"> * reference tag. The value of a mob ref cell consists of two parts, real mob value length and mob</span> |
| <span class="source-line-no">646</span><span id="line-646"> * file name. The real mob value length takes 4 bytes. The remaining part is the mob file name.</span> |
| <span class="source-line-no">647</span><span id="line-647"> * @param cell The mob ref cell.</span> |
| <span class="source-line-no">648</span><span id="line-648"> * @return True if the cell has a valid value.</span> |
| <span class="source-line-no">649</span><span id="line-649"> */</span> |
| <span class="source-line-no">650</span><span id="line-650"> public static boolean hasValidMobRefCellValue(Cell cell) {</span> |
| <span class="source-line-no">651</span><span id="line-651"> return cell.getValueLength() > Bytes.SIZEOF_INT;</span> |
| <span class="source-line-no">652</span><span id="line-652"> }</span> |
| <span class="source-line-no">653</span><span id="line-653"></span> |
| <span class="source-line-no">654</span><span id="line-654"> /**</span> |
| <span class="source-line-no">655</span><span id="line-655"> * Gets the mob value length from the mob ref cell. A mob ref cell has a mob reference tag. The</span> |
| <span class="source-line-no">656</span><span id="line-656"> * value of a mob ref cell consists of two parts, real mob value length and mob file name. The</span> |
| <span class="source-line-no">657</span><span id="line-657"> * real mob value length takes 4 bytes. The remaining part is the mob file name.</span> |
| <span class="source-line-no">658</span><span id="line-658"> * @param cell The mob ref cell.</span> |
| <span class="source-line-no">659</span><span id="line-659"> * @return The real mob value length.</span> |
| <span class="source-line-no">660</span><span id="line-660"> */</span> |
| <span class="source-line-no">661</span><span id="line-661"> public static int getMobValueLength(Cell cell) {</span> |
| <span class="source-line-no">662</span><span id="line-662"> return PrivateCellUtil.getValueAsInt(cell);</span> |
| <span class="source-line-no">663</span><span id="line-663"> }</span> |
| <span class="source-line-no">664</span><span id="line-664"></span> |
| <span class="source-line-no">665</span><span id="line-665"> /**</span> |
| <span class="source-line-no">666</span><span id="line-666"> * Gets the mob file name from the mob ref cell. A mob ref cell has a mob reference tag. The value</span> |
| <span class="source-line-no">667</span><span id="line-667"> * of a mob ref cell consists of two parts, real mob value length and mob file name. The real mob</span> |
| <span class="source-line-no">668</span><span id="line-668"> * value length takes 4 bytes. The remaining part is the mob file name.</span> |
| <span class="source-line-no">669</span><span id="line-669"> * @param cell The mob ref cell.</span> |
| <span class="source-line-no">670</span><span id="line-670"> * @return The mob file name.</span> |
| <span class="source-line-no">671</span><span id="line-671"> */</span> |
| <span class="source-line-no">672</span><span id="line-672"> public static String getMobFileName(Cell cell) {</span> |
| <span class="source-line-no">673</span><span id="line-673"> return Bytes.toString(cell.getValueArray(), cell.getValueOffset() + Bytes.SIZEOF_INT,</span> |
| <span class="source-line-no">674</span><span id="line-674"> cell.getValueLength() - Bytes.SIZEOF_INT);</span> |
| <span class="source-line-no">675</span><span id="line-675"> }</span> |
| <span class="source-line-no">676</span><span id="line-676"></span> |
| <span class="source-line-no">677</span><span id="line-677"> /**</span> |
| <span class="source-line-no">678</span><span id="line-678"> * Checks whether this table has mob-enabled columns.</span> |
| <span class="source-line-no">679</span><span id="line-679"> * @param htd The current table descriptor.</span> |
| <span class="source-line-no">680</span><span id="line-680"> * @return Whether this table has mob-enabled columns.</span> |
| <span class="source-line-no">681</span><span id="line-681"> */</span> |
| <span class="source-line-no">682</span><span id="line-682"> public static boolean hasMobColumns(TableDescriptor htd) {</span> |
| <span class="source-line-no">683</span><span id="line-683"> ColumnFamilyDescriptor[] hcds = htd.getColumnFamilies();</span> |
| <span class="source-line-no">684</span><span id="line-684"> for (ColumnFamilyDescriptor hcd : hcds) {</span> |
| <span class="source-line-no">685</span><span id="line-685"> if (hcd.isMobEnabled()) {</span> |
| <span class="source-line-no">686</span><span id="line-686"> return true;</span> |
| <span class="source-line-no">687</span><span id="line-687"> }</span> |
| <span class="source-line-no">688</span><span id="line-688"> }</span> |
| <span class="source-line-no">689</span><span id="line-689"> return false;</span> |
| <span class="source-line-no">690</span><span id="line-690"> }</span> |
| <span class="source-line-no">691</span><span id="line-691"></span> |
| <span class="source-line-no">692</span><span id="line-692"> /**</span> |
| <span class="source-line-no">693</span><span id="line-693"> * Get list of Mob column families (if any exists)</span> |
| <span class="source-line-no">694</span><span id="line-694"> * @param htd table descriptor</span> |
| <span class="source-line-no">695</span><span id="line-695"> * @return list of Mob column families</span> |
| <span class="source-line-no">696</span><span id="line-696"> */</span> |
| <span class="source-line-no">697</span><span id="line-697"> public static List<ColumnFamilyDescriptor> getMobColumnFamilies(TableDescriptor htd) {</span> |
| <span class="source-line-no">698</span><span id="line-698"></span> |
| <span class="source-line-no">699</span><span id="line-699"> List<ColumnFamilyDescriptor> fams = new ArrayList<ColumnFamilyDescriptor>();</span> |
| <span class="source-line-no">700</span><span id="line-700"> ColumnFamilyDescriptor[] hcds = htd.getColumnFamilies();</span> |
| <span class="source-line-no">701</span><span id="line-701"> for (ColumnFamilyDescriptor hcd : hcds) {</span> |
| <span class="source-line-no">702</span><span id="line-702"> if (hcd.isMobEnabled()) {</span> |
| <span class="source-line-no">703</span><span id="line-703"> fams.add(hcd);</span> |
| <span class="source-line-no">704</span><span id="line-704"> }</span> |
| <span class="source-line-no">705</span><span id="line-705"> }</span> |
| <span class="source-line-no">706</span><span id="line-706"> return fams;</span> |
| <span class="source-line-no">707</span><span id="line-707"> }</span> |
| <span class="source-line-no">708</span><span id="line-708"></span> |
| <span class="source-line-no">709</span><span id="line-709"> /**</span> |
| <span class="source-line-no">710</span><span id="line-710"> * Indicates whether return null value when the mob file is missing or corrupt. The information is</span> |
| <span class="source-line-no">711</span><span id="line-711"> * set in the attribute "empty.value.on.mobcell.miss" of scan.</span> |
| <span class="source-line-no">712</span><span id="line-712"> * @param scan The current scan.</span> |
| <span class="source-line-no">713</span><span id="line-713"> * @return True if the readEmptyValueOnMobCellMiss is enabled.</span> |
| <span class="source-line-no">714</span><span id="line-714"> */</span> |
| <span class="source-line-no">715</span><span id="line-715"> public static boolean isReadEmptyValueOnMobCellMiss(Scan scan) {</span> |
| <span class="source-line-no">716</span><span id="line-716"> byte[] readEmptyValueOnMobCellMiss =</span> |
| <span class="source-line-no">717</span><span id="line-717"> scan.getAttribute(MobConstants.EMPTY_VALUE_ON_MOBCELL_MISS);</span> |
| <span class="source-line-no">718</span><span id="line-718"> try {</span> |
| <span class="source-line-no">719</span><span id="line-719"> return readEmptyValueOnMobCellMiss != null && Bytes.toBoolean(readEmptyValueOnMobCellMiss);</span> |
| <span class="source-line-no">720</span><span id="line-720"> } catch (IllegalArgumentException e) {</span> |
| <span class="source-line-no">721</span><span id="line-721"> return false;</span> |
| <span class="source-line-no">722</span><span id="line-722"> }</span> |
| <span class="source-line-no">723</span><span id="line-723"> }</span> |
| <span class="source-line-no">724</span><span id="line-724"></span> |
| <span class="source-line-no">725</span><span id="line-725"> /**</span> |
| <span class="source-line-no">726</span><span id="line-726"> * Checks if the mob file is expired.</span> |
| <span class="source-line-no">727</span><span id="line-727"> * @param column The descriptor of the current column family.</span> |
| <span class="source-line-no">728</span><span id="line-728"> * @param current The current time.</span> |
| <span class="source-line-no">729</span><span id="line-729"> * @param fileDate The date string parsed from the mob file name.</span> |
| <span class="source-line-no">730</span><span id="line-730"> * @return True if the mob file is expired.</span> |
| <span class="source-line-no">731</span><span id="line-731"> */</span> |
| <span class="source-line-no">732</span><span id="line-732"> public static boolean isMobFileExpired(ColumnFamilyDescriptor column, long current,</span> |
| <span class="source-line-no">733</span><span id="line-733"> String fileDate) {</span> |
| <span class="source-line-no">734</span><span id="line-734"> if (column.getMinVersions() > 0) {</span> |
| <span class="source-line-no">735</span><span id="line-735"> return false;</span> |
| <span class="source-line-no">736</span><span id="line-736"> }</span> |
| <span class="source-line-no">737</span><span id="line-737"> long timeToLive = column.getTimeToLive();</span> |
| <span class="source-line-no">738</span><span id="line-738"> if (Integer.MAX_VALUE == timeToLive) {</span> |
| <span class="source-line-no">739</span><span id="line-739"> return false;</span> |
| <span class="source-line-no">740</span><span id="line-740"> }</span> |
| <span class="source-line-no">741</span><span id="line-741"></span> |
| <span class="source-line-no">742</span><span id="line-742"> Date expireDate = new Date(current - timeToLive * 1000);</span> |
| <span class="source-line-no">743</span><span id="line-743"> expireDate = new Date(expireDate.getYear(), expireDate.getMonth(), expireDate.getDate());</span> |
| <span class="source-line-no">744</span><span id="line-744"> try {</span> |
| <span class="source-line-no">745</span><span id="line-745"> Date date = parseDate(fileDate);</span> |
| <span class="source-line-no">746</span><span id="line-746"> if (date.getTime() < expireDate.getTime()) {</span> |
| <span class="source-line-no">747</span><span id="line-747"> return true;</span> |
| <span class="source-line-no">748</span><span id="line-748"> }</span> |
| <span class="source-line-no">749</span><span id="line-749"> } catch (ParseException e) {</span> |
| <span class="source-line-no">750</span><span id="line-750"> LOG.warn("Failed to parse the date " + fileDate, e);</span> |
| <span class="source-line-no">751</span><span id="line-751"> return false;</span> |
| <span class="source-line-no">752</span><span id="line-752"> }</span> |
| <span class="source-line-no">753</span><span id="line-753"> return false;</span> |
| <span class="source-line-no">754</span><span id="line-754"> }</span> |
| <span class="source-line-no">755</span><span id="line-755"></span> |
| <span class="source-line-no">756</span><span id="line-756"> /**</span> |
| <span class="source-line-no">757</span><span id="line-757"> * Serialize a set of referenced mob hfiles</span> |
| <span class="source-line-no">758</span><span id="line-758"> * @param mobRefSet to serialize, may be null</span> |
| <span class="source-line-no">759</span><span id="line-759"> * @return byte array to i.e. put into store file metadata. will not be null</span> |
| <span class="source-line-no">760</span><span id="line-760"> */</span> |
| <span class="source-line-no">761</span><span id="line-761"> public static byte[] serializeMobFileRefs(SetMultimap<TableName, String> mobRefSet) {</span> |
| <span class="source-line-no">762</span><span id="line-762"> if (mobRefSet != null && mobRefSet.size() > 0) {</span> |
| <span class="source-line-no">763</span><span id="line-763"> // Here we rely on the fact that '/' and ',' are not allowed in either table names nor hfile</span> |
| <span class="source-line-no">764</span><span id="line-764"> // names for serialization.</span> |
| <span class="source-line-no">765</span><span id="line-765"> //</span> |
| <span class="source-line-no">766</span><span id="line-766"> // exampleTable/filename1,filename2//example:table/filename5//otherTable/filename3,filename4</span> |
| <span class="source-line-no">767</span><span id="line-767"> //</span> |
| <span class="source-line-no">768</span><span id="line-768"> // to approximate the needed capacity we use the fact that there will usually be 1 table name</span> |
| <span class="source-line-no">769</span><span id="line-769"> // and each mob filename is around 105 bytes. we pick an arbitrary number to cover "most"</span> |
| <span class="source-line-no">770</span><span id="line-770"> // single table name lengths</span> |
| <span class="source-line-no">771</span><span id="line-771"> StringBuilder sb = new StringBuilder(100 + mobRefSet.size() * 105);</span> |
| <span class="source-line-no">772</span><span id="line-772"> boolean doubleSlash = false;</span> |
| <span class="source-line-no">773</span><span id="line-773"> for (TableName tableName : mobRefSet.keySet()) {</span> |
| <span class="source-line-no">774</span><span id="line-774"> if (doubleSlash) {</span> |
| <span class="source-line-no">775</span><span id="line-775"> sb.append("//");</span> |
| <span class="source-line-no">776</span><span id="line-776"> } else {</span> |
| <span class="source-line-no">777</span><span id="line-777"> doubleSlash = true;</span> |
| <span class="source-line-no">778</span><span id="line-778"> }</span> |
| <span class="source-line-no">779</span><span id="line-779"> sb.append(tableName).append("/");</span> |
| <span class="source-line-no">780</span><span id="line-780"> boolean comma = false;</span> |
| <span class="source-line-no">781</span><span id="line-781"> for (String refs : mobRefSet.get(tableName)) {</span> |
| <span class="source-line-no">782</span><span id="line-782"> if (comma) {</span> |
| <span class="source-line-no">783</span><span id="line-783"> sb.append(",");</span> |
| <span class="source-line-no">784</span><span id="line-784"> } else {</span> |
| <span class="source-line-no">785</span><span id="line-785"> comma = true;</span> |
| <span class="source-line-no">786</span><span id="line-786"> }</span> |
| <span class="source-line-no">787</span><span id="line-787"> sb.append(refs);</span> |
| <span class="source-line-no">788</span><span id="line-788"> }</span> |
| <span class="source-line-no">789</span><span id="line-789"> }</span> |
| <span class="source-line-no">790</span><span id="line-790"> return Bytes.toBytes(sb.toString());</span> |
| <span class="source-line-no">791</span><span id="line-791"> } else {</span> |
| <span class="source-line-no">792</span><span id="line-792"> return HStoreFile.NULL_VALUE;</span> |
| <span class="source-line-no">793</span><span id="line-793"> }</span> |
| <span class="source-line-no">794</span><span id="line-794"> }</span> |
| <span class="source-line-no">795</span><span id="line-795"></span> |
| <span class="source-line-no">796</span><span id="line-796"> /**</span> |
| <span class="source-line-no">797</span><span id="line-797"> * Deserialize the set of referenced mob hfiles from store file metadata.</span> |
| <span class="source-line-no">798</span><span id="line-798"> * @param bytes compatibly serialized data. can not be null</span> |
| <span class="source-line-no">799</span><span id="line-799"> * @return a setmultimap of original table to list of hfile names. will be empty if no values.</span> |
| <span class="source-line-no">800</span><span id="line-800"> * @throws IllegalStateException if there are values but no table name</span> |
| <span class="source-line-no">801</span><span id="line-801"> */</span> |
| <span class="source-line-no">802</span><span id="line-802"> public static ImmutableSetMultimap.Builder<TableName, String> deserializeMobFileRefs(byte[] bytes)</span> |
| <span class="source-line-no">803</span><span id="line-803"> throws IllegalStateException {</span> |
| <span class="source-line-no">804</span><span id="line-804"> ImmutableSetMultimap.Builder<TableName, String> map = ImmutableSetMultimap.builder();</span> |
| <span class="source-line-no">805</span><span id="line-805"> if (bytes.length > 1) {</span> |
| <span class="source-line-no">806</span><span id="line-806"> // TODO avoid turning the tablename pieces in to strings.</span> |
| <span class="source-line-no">807</span><span id="line-807"> String s = Bytes.toString(bytes);</span> |
| <span class="source-line-no">808</span><span id="line-808"> String[] tables = s.split("//");</span> |
| <span class="source-line-no">809</span><span id="line-809"> for (String tableEnc : tables) {</span> |
| <span class="source-line-no">810</span><span id="line-810"> final int delim = tableEnc.indexOf('/');</span> |
| <span class="source-line-no">811</span><span id="line-811"> if (delim <= 0) {</span> |
| <span class="source-line-no">812</span><span id="line-812"> throw new IllegalStateException("MOB reference data does not match expected encoding: "</span> |
| <span class="source-line-no">813</span><span id="line-813"> + "no table name included before list of mob refs.");</span> |
| <span class="source-line-no">814</span><span id="line-814"> }</span> |
| <span class="source-line-no">815</span><span id="line-815"> TableName table = TableName.valueOf(tableEnc.substring(0, delim));</span> |
| <span class="source-line-no">816</span><span id="line-816"> String[] refs = tableEnc.substring(delim + 1).split(",");</span> |
| <span class="source-line-no">817</span><span id="line-817"> map.putAll(table, refs);</span> |
| <span class="source-line-no">818</span><span id="line-818"> }</span> |
| <span class="source-line-no">819</span><span id="line-819"> } else {</span> |
| <span class="source-line-no">820</span><span id="line-820"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">821</span><span id="line-821"> // array length 1 should be the NULL_VALUE.</span> |
| <span class="source-line-no">822</span><span id="line-822"> if (!Arrays.equals(HStoreFile.NULL_VALUE, bytes)) {</span> |
| <span class="source-line-no">823</span><span id="line-823"> LOG.debug(</span> |
| <span class="source-line-no">824</span><span id="line-824"> "Serialized MOB file refs array was treated as the placeholder 'no entries' but"</span> |
| <span class="source-line-no">825</span><span id="line-825"> + " didn't have the expected placeholder byte. expected={} and actual={}",</span> |
| <span class="source-line-no">826</span><span id="line-826"> Arrays.toString(HStoreFile.NULL_VALUE), Arrays.toString(bytes));</span> |
| <span class="source-line-no">827</span><span id="line-827"> }</span> |
| <span class="source-line-no">828</span><span id="line-828"> }</span> |
| <span class="source-line-no">829</span><span id="line-829"> }</span> |
| <span class="source-line-no">830</span><span id="line-830"> return map;</span> |
| <span class="source-line-no">831</span><span id="line-831"> }</span> |
| <span class="source-line-no">832</span><span id="line-832">}</span> |
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| </main> |
| </body> |
| </html> |
