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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.util;</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 com.google.errorprone.annotations.RestrictedApi;</span> |
| <span class="source-line-no">021</span><span id="line-21">import edu.umd.cs.findbugs.annotations.Nullable;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.EOFException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.InterruptedIOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Arrays;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Comparator;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.List;</span> |
| <span class="source-line-no">028</span><span id="line-28">import java.util.Map;</span> |
| <span class="source-line-no">029</span><span id="line-29">import java.util.Optional;</span> |
| <span class="source-line-no">030</span><span id="line-30">import java.util.TreeMap;</span> |
| <span class="source-line-no">031</span><span id="line-31">import java.util.concurrent.ConcurrentHashMap;</span> |
| <span class="source-line-no">032</span><span id="line-32">import java.util.concurrent.ConcurrentSkipListMap;</span> |
| <span class="source-line-no">033</span><span id="line-33">import java.util.concurrent.CountDownLatch;</span> |
| <span class="source-line-no">034</span><span id="line-34">import java.util.concurrent.LinkedBlockingQueue;</span> |
| <span class="source-line-no">035</span><span id="line-35">import java.util.concurrent.ThreadPoolExecutor;</span> |
| <span class="source-line-no">036</span><span id="line-36">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">037</span><span id="line-37">import java.util.concurrent.atomic.AtomicBoolean;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.commons.lang3.NotImplementedException;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.fs.FSDataInputStream;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.fs.FSDataOutputStream;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.fs.FileAlreadyExistsException;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.fs.FileStatus;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.fs.PathFilter;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.Coprocessor;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.TableDescriptors;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.hbase.client.CoprocessorDescriptorBuilder;</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.client.TableDescriptorBuilder;</span> |
| <span class="source-line-no">056</span><span id="line-56">import org.apache.hadoop.hbase.coprocessor.MultiRowMutationEndpoint;</span> |
| <span class="source-line-no">057</span><span id="line-57">import org.apache.hadoop.hbase.exceptions.DeserializationException;</span> |
| <span class="source-line-no">058</span><span id="line-58">import org.apache.hadoop.hbase.io.encoding.DataBlockEncoding;</span> |
| <span class="source-line-no">059</span><span id="line-59">import org.apache.hadoop.hbase.regionserver.BloomType;</span> |
| <span class="source-line-no">060</span><span id="line-60">import org.apache.hadoop.hbase.regionserver.storefiletracker.StoreFileTrackerFactory;</span> |
| <span class="source-line-no">061</span><span id="line-61">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">062</span><span id="line-62">import org.slf4j.Logger;</span> |
| <span class="source-line-no">063</span><span id="line-63">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65">import org.apache.hbase.thirdparty.com.google.common.primitives.Ints;</span> |
| <span class="source-line-no">066</span><span id="line-66">import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68">/**</span> |
| <span class="source-line-no">069</span><span id="line-69"> * Implementation of {@link TableDescriptors} that reads descriptors from the passed filesystem. It</span> |
| <span class="source-line-no">070</span><span id="line-70"> * expects descriptors to be in a file in the {@link #TABLEINFO_DIR} subdir of the table's directory</span> |
| <span class="source-line-no">071</span><span id="line-71"> * in FS. Can be read-only -- i.e. does not modify the filesystem or can be read and write.</span> |
| <span class="source-line-no">072</span><span id="line-72"> * <p></span> |
| <span class="source-line-no">073</span><span id="line-73"> * Also has utility for keeping up the table descriptors tableinfo file. The table schema file is</span> |
| <span class="source-line-no">074</span><span id="line-74"> * kept in the {@link #TABLEINFO_DIR} subdir of the table directory in the filesystem. It has a</span> |
| <span class="source-line-no">075</span><span id="line-75"> * {@link #TABLEINFO_FILE_PREFIX} and then a suffix that is the edit sequenceid: e.g.</span> |
| <span class="source-line-no">076</span><span id="line-76"> * <code>.tableinfo.0000000003</code>. This sequenceid is always increasing. It starts at zero. The</span> |
| <span class="source-line-no">077</span><span id="line-77"> * table schema file with the highest sequenceid has the most recent schema edit. Usually there is</span> |
| <span class="source-line-no">078</span><span id="line-78"> * one file only, the most recent but there may be short periods where there are more than one file.</span> |
| <span class="source-line-no">079</span><span id="line-79"> * Old files are eventually cleaned. Presumption is that there will not be lots of concurrent</span> |
| <span class="source-line-no">080</span><span id="line-80"> * clients making table schema edits. If so, the below needs a bit of a reworking and perhaps some</span> |
| <span class="source-line-no">081</span><span id="line-81"> * supporting api in hdfs.</span> |
| <span class="source-line-no">082</span><span id="line-82"> */</span> |
| <span class="source-line-no">083</span><span id="line-83">@InterfaceAudience.Private</span> |
| <span class="source-line-no">084</span><span id="line-84">public class FSTableDescriptors implements TableDescriptors {</span> |
| <span class="source-line-no">085</span><span id="line-85"> private static final Logger LOG = LoggerFactory.getLogger(FSTableDescriptors.class);</span> |
| <span class="source-line-no">086</span><span id="line-86"> private final FileSystem fs;</span> |
| <span class="source-line-no">087</span><span id="line-87"> private final Path rootdir;</span> |
| <span class="source-line-no">088</span><span id="line-88"> private final boolean fsreadonly;</span> |
| <span class="source-line-no">089</span><span id="line-89"> private final boolean usecache;</span> |
| <span class="source-line-no">090</span><span id="line-90"> private volatile boolean fsvisited;</span> |
| <span class="source-line-no">091</span><span id="line-91"> private boolean tableDescriptorParallelLoadEnable = false;</span> |
| <span class="source-line-no">092</span><span id="line-92"> private ThreadPoolExecutor executor;</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> long cachehits = 0;</span> |
| <span class="source-line-no">095</span><span id="line-95"> long invocations = 0;</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> /**</span> |
| <span class="source-line-no">098</span><span id="line-98"> * The file name prefix used to store HTD in HDFS</span> |
| <span class="source-line-no">099</span><span id="line-99"> */</span> |
| <span class="source-line-no">100</span><span id="line-100"> static final String TABLEINFO_FILE_PREFIX = ".tableinfo";</span> |
| <span class="source-line-no">101</span><span id="line-101"> public static final String TABLEINFO_DIR = ".tabledesc";</span> |
| <span class="source-line-no">102</span><span id="line-102"></span> |
| <span class="source-line-no">103</span><span id="line-103"> // This cache does not age out the old stuff. Thinking is that the amount</span> |
| <span class="source-line-no">104</span><span id="line-104"> // of data we keep up in here is so small, no need to do occasional purge.</span> |
| <span class="source-line-no">105</span><span id="line-105"> // TODO.</span> |
| <span class="source-line-no">106</span><span id="line-106"> private final Map<TableName, TableDescriptor> cache = new ConcurrentHashMap<>();</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"> * Construct a FSTableDescriptors instance using the hbase root dir of the given conf and the</span> |
| <span class="source-line-no">110</span><span id="line-110"> * filesystem where that root dir lives. This instance can do write operations (is not read only).</span> |
| <span class="source-line-no">111</span><span id="line-111"> */</span> |
| <span class="source-line-no">112</span><span id="line-112"> public FSTableDescriptors(final Configuration conf) throws IOException {</span> |
| <span class="source-line-no">113</span><span id="line-113"> this(CommonFSUtils.getCurrentFileSystem(conf), CommonFSUtils.getRootDir(conf));</span> |
| <span class="source-line-no">114</span><span id="line-114"> }</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> public FSTableDescriptors(final FileSystem fs, final Path rootdir) {</span> |
| <span class="source-line-no">117</span><span id="line-117"> this(fs, rootdir, false, true);</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> public FSTableDescriptors(final FileSystem fs, final Path rootdir, final boolean fsreadonly,</span> |
| <span class="source-line-no">121</span><span id="line-121"> final boolean usecache) {</span> |
| <span class="source-line-no">122</span><span id="line-122"> this(fs, rootdir, fsreadonly, usecache, 0);</span> |
| <span class="source-line-no">123</span><span id="line-123"> }</span> |
| <span class="source-line-no">124</span><span id="line-124"></span> |
| <span class="source-line-no">125</span><span id="line-125"> public FSTableDescriptors(final FileSystem fs, final Path rootdir, final boolean fsreadonly,</span> |
| <span class="source-line-no">126</span><span id="line-126"> final boolean usecache, final int tableDescriptorParallelLoadThreads) {</span> |
| <span class="source-line-no">127</span><span id="line-127"> this.fs = fs;</span> |
| <span class="source-line-no">128</span><span id="line-128"> this.rootdir = rootdir;</span> |
| <span class="source-line-no">129</span><span id="line-129"> this.fsreadonly = fsreadonly;</span> |
| <span class="source-line-no">130</span><span id="line-130"> this.usecache = usecache;</span> |
| <span class="source-line-no">131</span><span id="line-131"> if (tableDescriptorParallelLoadThreads > 0) {</span> |
| <span class="source-line-no">132</span><span id="line-132"> tableDescriptorParallelLoadEnable = true;</span> |
| <span class="source-line-no">133</span><span id="line-133"> executor = new ThreadPoolExecutor(tableDescriptorParallelLoadThreads,</span> |
| <span class="source-line-no">134</span><span id="line-134"> tableDescriptorParallelLoadThreads, 1, TimeUnit.SECONDS, new LinkedBlockingQueue<>(),</span> |
| <span class="source-line-no">135</span><span id="line-135"> new ThreadFactoryBuilder().setNameFormat("FSTableDescriptorLoad-pool-%d").setDaemon(true)</span> |
| <span class="source-line-no">136</span><span id="line-136"> .setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build());</span> |
| <span class="source-line-no">137</span><span id="line-137"> executor.allowCoreThreadTimeOut(true);</span> |
| <span class="source-line-no">138</span><span id="line-138"> }</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> public static void tryUpdateMetaTableDescriptor(Configuration conf) throws IOException {</span> |
| <span class="source-line-no">142</span><span id="line-142"> tryUpdateAndGetMetaTableDescriptor(conf, CommonFSUtils.getCurrentFileSystem(conf),</span> |
| <span class="source-line-no">143</span><span id="line-143"> CommonFSUtils.getRootDir(conf));</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"> public static TableDescriptor tryUpdateAndGetMetaTableDescriptor(Configuration conf,</span> |
| <span class="source-line-no">147</span><span id="line-147"> FileSystem fs, Path rootdir) throws IOException {</span> |
| <span class="source-line-no">148</span><span id="line-148"> // see if we already have meta descriptor on fs. Write one if not.</span> |
| <span class="source-line-no">149</span><span id="line-149"> Optional<Pair<FileStatus, TableDescriptor>> opt = getTableDescriptorFromFs(fs,</span> |
| <span class="source-line-no">150</span><span id="line-150"> CommonFSUtils.getTableDir(rootdir, TableName.META_TABLE_NAME), false);</span> |
| <span class="source-line-no">151</span><span id="line-151"> if (opt.isPresent()) {</span> |
| <span class="source-line-no">152</span><span id="line-152"> return opt.get().getSecond();</span> |
| <span class="source-line-no">153</span><span id="line-153"> }</span> |
| <span class="source-line-no">154</span><span id="line-154"> TableDescriptorBuilder builder = createMetaTableDescriptorBuilder(conf);</span> |
| <span class="source-line-no">155</span><span id="line-155"> TableDescriptor td = StoreFileTrackerFactory.updateWithTrackerConfigs(conf, builder.build());</span> |
| <span class="source-line-no">156</span><span id="line-156"> LOG.info("Creating new hbase:meta table descriptor {}", td);</span> |
| <span class="source-line-no">157</span><span id="line-157"> TableName tableName = td.getTableName();</span> |
| <span class="source-line-no">158</span><span id="line-158"> Path tableDir = CommonFSUtils.getTableDir(rootdir, tableName);</span> |
| <span class="source-line-no">159</span><span id="line-159"> Path p = writeTableDescriptor(fs, td, tableDir, null);</span> |
| <span class="source-line-no">160</span><span id="line-160"> if (p == null) {</span> |
| <span class="source-line-no">161</span><span id="line-161"> throw new IOException("Failed update hbase:meta table descriptor");</span> |
| <span class="source-line-no">162</span><span id="line-162"> }</span> |
| <span class="source-line-no">163</span><span id="line-163"> LOG.info("Updated hbase:meta table descriptor to {}", p);</span> |
| <span class="source-line-no">164</span><span id="line-164"> return td;</span> |
| <span class="source-line-no">165</span><span id="line-165"> }</span> |
| <span class="source-line-no">166</span><span id="line-166"></span> |
| <span class="source-line-no">167</span><span id="line-167"> public static ColumnFamilyDescriptor getTableFamilyDescForMeta(final Configuration conf) {</span> |
| <span class="source-line-no">168</span><span id="line-168"> return ColumnFamilyDescriptorBuilder.newBuilder(HConstants.TABLE_FAMILY)</span> |
| <span class="source-line-no">169</span><span id="line-169"> .setMaxVersions(</span> |
| <span class="source-line-no">170</span><span id="line-170"> conf.getInt(HConstants.HBASE_META_VERSIONS, HConstants.DEFAULT_HBASE_META_VERSIONS))</span> |
| <span class="source-line-no">171</span><span id="line-171"> .setInMemory(true).setBlocksize(8 * 1024).setScope(HConstants.REPLICATION_SCOPE_LOCAL)</span> |
| <span class="source-line-no">172</span><span id="line-172"> .setDataBlockEncoding(DataBlockEncoding.ROW_INDEX_V1).setBloomFilterType(BloomType.ROWCOL)</span> |
| <span class="source-line-no">173</span><span id="line-173"> .build();</span> |
| <span class="source-line-no">174</span><span id="line-174"> }</span> |
| <span class="source-line-no">175</span><span id="line-175"></span> |
| <span class="source-line-no">176</span><span id="line-176"> public static ColumnFamilyDescriptor getReplBarrierFamilyDescForMeta() {</span> |
| <span class="source-line-no">177</span><span id="line-177"> return ColumnFamilyDescriptorBuilder.newBuilder(HConstants.REPLICATION_BARRIER_FAMILY)</span> |
| <span class="source-line-no">178</span><span id="line-178"> .setMaxVersions(HConstants.ALL_VERSIONS).setInMemory(true)</span> |
| <span class="source-line-no">179</span><span id="line-179"> .setScope(HConstants.REPLICATION_SCOPE_LOCAL)</span> |
| <span class="source-line-no">180</span><span id="line-180"> .setDataBlockEncoding(DataBlockEncoding.ROW_INDEX_V1).setBloomFilterType(BloomType.ROWCOL)</span> |
| <span class="source-line-no">181</span><span id="line-181"> .build();</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> public static ColumnFamilyDescriptor getNamespaceFamilyDescForMeta(Configuration conf) {</span> |
| <span class="source-line-no">185</span><span id="line-185"> return ColumnFamilyDescriptorBuilder.newBuilder(HConstants.NAMESPACE_FAMILY)</span> |
| <span class="source-line-no">186</span><span id="line-186"> .setMaxVersions(</span> |
| <span class="source-line-no">187</span><span id="line-187"> conf.getInt(HConstants.HBASE_META_VERSIONS, HConstants.DEFAULT_HBASE_META_VERSIONS))</span> |
| <span class="source-line-no">188</span><span id="line-188"> .setInMemory(true)</span> |
| <span class="source-line-no">189</span><span id="line-189"> .setBlocksize(</span> |
| <span class="source-line-no">190</span><span id="line-190"> conf.getInt(HConstants.HBASE_META_BLOCK_SIZE, HConstants.DEFAULT_HBASE_META_BLOCK_SIZE))</span> |
| <span class="source-line-no">191</span><span id="line-191"> .setScope(HConstants.REPLICATION_SCOPE_LOCAL)</span> |
| <span class="source-line-no">192</span><span id="line-192"> .setDataBlockEncoding(DataBlockEncoding.ROW_INDEX_V1).setBloomFilterType(BloomType.ROWCOL)</span> |
| <span class="source-line-no">193</span><span id="line-193"> .build();</span> |
| <span class="source-line-no">194</span><span id="line-194"> }</span> |
| <span class="source-line-no">195</span><span id="line-195"></span> |
| <span class="source-line-no">196</span><span id="line-196"> private static TableDescriptorBuilder createMetaTableDescriptorBuilder(final Configuration conf)</span> |
| <span class="source-line-no">197</span><span id="line-197"> throws IOException {</span> |
| <span class="source-line-no">198</span><span id="line-198"> // TODO We used to set CacheDataInL1 for META table. When we have BucketCache in file mode, now</span> |
| <span class="source-line-no">199</span><span id="line-199"> // the META table data goes to File mode BC only. Test how that affect the system. If too much,</span> |
| <span class="source-line-no">200</span><span id="line-200"> // we have to rethink about adding back the setCacheDataInL1 for META table CFs.</span> |
| <span class="source-line-no">201</span><span id="line-201"> return TableDescriptorBuilder.newBuilder(TableName.META_TABLE_NAME)</span> |
| <span class="source-line-no">202</span><span id="line-202"> .setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(HConstants.CATALOG_FAMILY)</span> |
| <span class="source-line-no">203</span><span id="line-203"> .setMaxVersions(</span> |
| <span class="source-line-no">204</span><span id="line-204"> conf.getInt(HConstants.HBASE_META_VERSIONS, HConstants.DEFAULT_HBASE_META_VERSIONS))</span> |
| <span class="source-line-no">205</span><span id="line-205"> .setInMemory(true)</span> |
| <span class="source-line-no">206</span><span id="line-206"> .setBlocksize(</span> |
| <span class="source-line-no">207</span><span id="line-207"> conf.getInt(HConstants.HBASE_META_BLOCK_SIZE, HConstants.DEFAULT_HBASE_META_BLOCK_SIZE))</span> |
| <span class="source-line-no">208</span><span id="line-208"> .setScope(HConstants.REPLICATION_SCOPE_LOCAL).setBloomFilterType(BloomType.ROWCOL)</span> |
| <span class="source-line-no">209</span><span id="line-209"> .setDataBlockEncoding(DataBlockEncoding.ROW_INDEX_V1).build())</span> |
| <span class="source-line-no">210</span><span id="line-210"> .setColumnFamily(getTableFamilyDescForMeta(conf))</span> |
| <span class="source-line-no">211</span><span id="line-211"> .setColumnFamily(getReplBarrierFamilyDescForMeta())</span> |
| <span class="source-line-no">212</span><span id="line-212"> .setColumnFamily(getNamespaceFamilyDescForMeta(conf)).setCoprocessor(</span> |
| <span class="source-line-no">213</span><span id="line-213"> CoprocessorDescriptorBuilder.newBuilder(MultiRowMutationEndpoint.class.getName())</span> |
| <span class="source-line-no">214</span><span id="line-214"> .setPriority(Coprocessor.PRIORITY_SYSTEM).build());</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"> protected boolean isUsecache() {</span> |
| <span class="source-line-no">218</span><span id="line-218"> return this.usecache;</span> |
| <span class="source-line-no">219</span><span id="line-219"> }</span> |
| <span class="source-line-no">220</span><span id="line-220"></span> |
| <span class="source-line-no">221</span><span id="line-221"> /**</span> |
| <span class="source-line-no">222</span><span id="line-222"> * Get the current table descriptor for the given table, or null if none exists.</span> |
| <span class="source-line-no">223</span><span id="line-223"> * <p/></span> |
| <span class="source-line-no">224</span><span id="line-224"> * Uses a local cache of the descriptor but still checks the filesystem on each call if</span> |
| <span class="source-line-no">225</span><span id="line-225"> * {@link #fsvisited} is not {@code true}, i.e, we haven't done a full scan yet, to see if a newer</span> |
| <span class="source-line-no">226</span><span id="line-226"> * file has been created since the cached one was read.</span> |
| <span class="source-line-no">227</span><span id="line-227"> */</span> |
| <span class="source-line-no">228</span><span id="line-228"> @Override</span> |
| <span class="source-line-no">229</span><span id="line-229"> @Nullable</span> |
| <span class="source-line-no">230</span><span id="line-230"> public TableDescriptor get(TableName tableName) {</span> |
| <span class="source-line-no">231</span><span id="line-231"> invocations++;</span> |
| <span class="source-line-no">232</span><span id="line-232"> if (usecache) {</span> |
| <span class="source-line-no">233</span><span id="line-233"> // Look in cache of descriptors.</span> |
| <span class="source-line-no">234</span><span id="line-234"> TableDescriptor cachedtdm = this.cache.get(tableName);</span> |
| <span class="source-line-no">235</span><span id="line-235"> if (cachedtdm != null) {</span> |
| <span class="source-line-no">236</span><span id="line-236"> cachehits++;</span> |
| <span class="source-line-no">237</span><span id="line-237"> return cachedtdm;</span> |
| <span class="source-line-no">238</span><span id="line-238"> }</span> |
| <span class="source-line-no">239</span><span id="line-239"> // we do not need to go to fs any more</span> |
| <span class="source-line-no">240</span><span id="line-240"> if (fsvisited) {</span> |
| <span class="source-line-no">241</span><span id="line-241"> return null;</span> |
| <span class="source-line-no">242</span><span id="line-242"> }</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"> TableDescriptor tdmt = null;</span> |
| <span class="source-line-no">245</span><span id="line-245"> try {</span> |
| <span class="source-line-no">246</span><span id="line-246"> tdmt = getTableDescriptorFromFs(fs, getTableDir(tableName), fsreadonly).map(Pair::getSecond)</span> |
| <span class="source-line-no">247</span><span id="line-247"> .orElse(null);</span> |
| <span class="source-line-no">248</span><span id="line-248"> } catch (IOException ioe) {</span> |
| <span class="source-line-no">249</span><span id="line-249"> LOG.debug("Exception during readTableDecriptor. Current table name = " + tableName, ioe);</span> |
| <span class="source-line-no">250</span><span id="line-250"> }</span> |
| <span class="source-line-no">251</span><span id="line-251"> // last HTD written wins</span> |
| <span class="source-line-no">252</span><span id="line-252"> if (usecache && tdmt != null) {</span> |
| <span class="source-line-no">253</span><span id="line-253"> this.cache.put(tableName, tdmt);</span> |
| <span class="source-line-no">254</span><span id="line-254"> }</span> |
| <span class="source-line-no">255</span><span id="line-255"></span> |
| <span class="source-line-no">256</span><span id="line-256"> return tdmt;</span> |
| <span class="source-line-no">257</span><span id="line-257"> }</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"> * Returns a map from table name to table descriptor for all tables.</span> |
| <span class="source-line-no">261</span><span id="line-261"> */</span> |
| <span class="source-line-no">262</span><span id="line-262"> @Override</span> |
| <span class="source-line-no">263</span><span id="line-263"> public Map<String, TableDescriptor> getAll() throws IOException {</span> |
| <span class="source-line-no">264</span><span id="line-264"> Map<String, TableDescriptor> tds = new ConcurrentSkipListMap<>();</span> |
| <span class="source-line-no">265</span><span id="line-265"> if (fsvisited) {</span> |
| <span class="source-line-no">266</span><span id="line-266"> for (Map.Entry<TableName, TableDescriptor> entry : this.cache.entrySet()) {</span> |
| <span class="source-line-no">267</span><span id="line-267"> tds.put(entry.getKey().getNameWithNamespaceInclAsString(), entry.getValue());</span> |
| <span class="source-line-no">268</span><span id="line-268"> }</span> |
| <span class="source-line-no">269</span><span id="line-269"> } else {</span> |
| <span class="source-line-no">270</span><span id="line-270"> LOG.info("Fetching table descriptors from the filesystem.");</span> |
| <span class="source-line-no">271</span><span id="line-271"> final long startTime = EnvironmentEdgeManager.currentTime();</span> |
| <span class="source-line-no">272</span><span id="line-272"> AtomicBoolean allvisited = new AtomicBoolean(usecache);</span> |
| <span class="source-line-no">273</span><span id="line-273"> List<Path> tableDirs = FSUtils.getTableDirs(fs, rootdir);</span> |
| <span class="source-line-no">274</span><span id="line-274"> if (!tableDescriptorParallelLoadEnable) {</span> |
| <span class="source-line-no">275</span><span id="line-275"> for (Path dir : tableDirs) {</span> |
| <span class="source-line-no">276</span><span id="line-276"> internalGet(dir, tds, allvisited);</span> |
| <span class="source-line-no">277</span><span id="line-277"> }</span> |
| <span class="source-line-no">278</span><span id="line-278"> } else {</span> |
| <span class="source-line-no">279</span><span id="line-279"> CountDownLatch latch = new CountDownLatch(tableDirs.size());</span> |
| <span class="source-line-no">280</span><span id="line-280"> for (Path dir : tableDirs) {</span> |
| <span class="source-line-no">281</span><span id="line-281"> executor.submit(new Runnable() {</span> |
| <span class="source-line-no">282</span><span id="line-282"> @Override</span> |
| <span class="source-line-no">283</span><span id="line-283"> public void run() {</span> |
| <span class="source-line-no">284</span><span id="line-284"> try {</span> |
| <span class="source-line-no">285</span><span id="line-285"> internalGet(dir, tds, allvisited);</span> |
| <span class="source-line-no">286</span><span id="line-286"> } finally {</span> |
| <span class="source-line-no">287</span><span id="line-287"> latch.countDown();</span> |
| <span class="source-line-no">288</span><span id="line-288"> }</span> |
| <span class="source-line-no">289</span><span id="line-289"> }</span> |
| <span class="source-line-no">290</span><span id="line-290"> });</span> |
| <span class="source-line-no">291</span><span id="line-291"> }</span> |
| <span class="source-line-no">292</span><span id="line-292"> try {</span> |
| <span class="source-line-no">293</span><span id="line-293"> latch.await();</span> |
| <span class="source-line-no">294</span><span id="line-294"> } catch (InterruptedException ie) {</span> |
| <span class="source-line-no">295</span><span id="line-295"> throw (InterruptedIOException) new InterruptedIOException().initCause(ie);</span> |
| <span class="source-line-no">296</span><span id="line-296"> }</span> |
| <span class="source-line-no">297</span><span id="line-297"> }</span> |
| <span class="source-line-no">298</span><span id="line-298"> fsvisited = allvisited.get();</span> |
| <span class="source-line-no">299</span><span id="line-299"> LOG.info("Fetched table descriptors(size=" + tds.size() + ") cost "</span> |
| <span class="source-line-no">300</span><span id="line-300"> + (EnvironmentEdgeManager.currentTime() - startTime) + "ms.");</span> |
| <span class="source-line-no">301</span><span id="line-301"> }</span> |
| <span class="source-line-no">302</span><span id="line-302"> return tds;</span> |
| <span class="source-line-no">303</span><span id="line-303"> }</span> |
| <span class="source-line-no">304</span><span id="line-304"></span> |
| <span class="source-line-no">305</span><span id="line-305"> private void internalGet(Path dir, Map<String, TableDescriptor> tds, AtomicBoolean allvisited) {</span> |
| <span class="source-line-no">306</span><span id="line-306"> TableDescriptor htd = get(CommonFSUtils.getTableName(dir));</span> |
| <span class="source-line-no">307</span><span id="line-307"> if (htd == null) {</span> |
| <span class="source-line-no">308</span><span id="line-308"> allvisited.set(false);</span> |
| <span class="source-line-no">309</span><span id="line-309"> } else {</span> |
| <span class="source-line-no">310</span><span id="line-310"> tds.put(htd.getTableName().getNameWithNamespaceInclAsString(), htd);</span> |
| <span class="source-line-no">311</span><span id="line-311"> }</span> |
| <span class="source-line-no">312</span><span id="line-312"> }</span> |
| <span class="source-line-no">313</span><span id="line-313"></span> |
| <span class="source-line-no">314</span><span id="line-314"> /**</span> |
| <span class="source-line-no">315</span><span id="line-315"> * Find descriptors by namespace.</span> |
| <span class="source-line-no">316</span><span id="line-316"> * @see #get(org.apache.hadoop.hbase.TableName)</span> |
| <span class="source-line-no">317</span><span id="line-317"> */</span> |
| <span class="source-line-no">318</span><span id="line-318"> @Override</span> |
| <span class="source-line-no">319</span><span id="line-319"> public Map<String, TableDescriptor> getByNamespace(String name) throws IOException {</span> |
| <span class="source-line-no">320</span><span id="line-320"> Map<String, TableDescriptor> htds = new TreeMap<>();</span> |
| <span class="source-line-no">321</span><span id="line-321"> List<Path> tableDirs =</span> |
| <span class="source-line-no">322</span><span id="line-322"> FSUtils.getLocalTableDirs(fs, CommonFSUtils.getNamespaceDir(rootdir, name));</span> |
| <span class="source-line-no">323</span><span id="line-323"> for (Path d : tableDirs) {</span> |
| <span class="source-line-no">324</span><span id="line-324"> TableDescriptor htd = get(CommonFSUtils.getTableName(d));</span> |
| <span class="source-line-no">325</span><span id="line-325"> if (htd == null) {</span> |
| <span class="source-line-no">326</span><span id="line-326"> continue;</span> |
| <span class="source-line-no">327</span><span id="line-327"> }</span> |
| <span class="source-line-no">328</span><span id="line-328"> htds.put(CommonFSUtils.getTableName(d).getNameAsString(), htd);</span> |
| <span class="source-line-no">329</span><span id="line-329"> }</span> |
| <span class="source-line-no">330</span><span id="line-330"> return htds;</span> |
| <span class="source-line-no">331</span><span id="line-331"> }</span> |
| <span class="source-line-no">332</span><span id="line-332"></span> |
| <span class="source-line-no">333</span><span id="line-333"> @Override</span> |
| <span class="source-line-no">334</span><span id="line-334"> public void update(TableDescriptor td, boolean cacheOnly) throws IOException {</span> |
| <span class="source-line-no">335</span><span id="line-335"> // TODO: in fact this method will only be called at master side, so fsreadonly and usecache will</span> |
| <span class="source-line-no">336</span><span id="line-336"> // always be true. In general, we'd better have a ReadOnlyFSTableDesciptors for HRegionServer</span> |
| <span class="source-line-no">337</span><span id="line-337"> // but now, HMaster extends HRegionServer, so unless making use of generic, we can not have</span> |
| <span class="source-line-no">338</span><span id="line-338"> // different implementations for HMaster and HRegionServer. Revisit this when we make HMaster</span> |
| <span class="source-line-no">339</span><span id="line-339"> // not extend HRegionServer in the future.</span> |
| <span class="source-line-no">340</span><span id="line-340"> if (fsreadonly) {</span> |
| <span class="source-line-no">341</span><span id="line-341"> throw new UnsupportedOperationException("Cannot add a table descriptor - in read only mode");</span> |
| <span class="source-line-no">342</span><span id="line-342"> }</span> |
| <span class="source-line-no">343</span><span id="line-343"> if (!cacheOnly) {</span> |
| <span class="source-line-no">344</span><span id="line-344"> updateTableDescriptor(td);</span> |
| <span class="source-line-no">345</span><span id="line-345"> }</span> |
| <span class="source-line-no">346</span><span id="line-346"> if (usecache) {</span> |
| <span class="source-line-no">347</span><span id="line-347"> this.cache.put(td.getTableName(), td);</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"></span> |
| <span class="source-line-no">351</span><span id="line-351"> @RestrictedApi(explanation = "Should only be called in tests or self", link = "",</span> |
| <span class="source-line-no">352</span><span id="line-352"> allowedOnPath = ".*/src/test/.*|.*/FSTableDescriptors\\.java")</span> |
| <span class="source-line-no">353</span><span id="line-353"> Path updateTableDescriptor(TableDescriptor td) throws IOException {</span> |
| <span class="source-line-no">354</span><span id="line-354"> TableName tableName = td.getTableName();</span> |
| <span class="source-line-no">355</span><span id="line-355"> Path tableDir = getTableDir(tableName);</span> |
| <span class="source-line-no">356</span><span id="line-356"> Path p = writeTableDescriptor(fs, td, tableDir,</span> |
| <span class="source-line-no">357</span><span id="line-357"> getTableDescriptorFromFs(fs, tableDir, fsreadonly).map(Pair::getFirst).orElse(null));</span> |
| <span class="source-line-no">358</span><span id="line-358"> if (p == null) {</span> |
| <span class="source-line-no">359</span><span id="line-359"> throw new IOException("Failed update");</span> |
| <span class="source-line-no">360</span><span id="line-360"> }</span> |
| <span class="source-line-no">361</span><span id="line-361"> LOG.info("Updated tableinfo=" + p);</span> |
| <span class="source-line-no">362</span><span id="line-362"> return p;</span> |
| <span class="source-line-no">363</span><span id="line-363"> }</span> |
| <span class="source-line-no">364</span><span id="line-364"></span> |
| <span class="source-line-no">365</span><span id="line-365"> /**</span> |
| <span class="source-line-no">366</span><span id="line-366"> * Removes the table descriptor from the local cache and returns it. If not in read only mode, it</span> |
| <span class="source-line-no">367</span><span id="line-367"> * also deletes the entire table directory(!) from the FileSystem.</span> |
| <span class="source-line-no">368</span><span id="line-368"> */</span> |
| <span class="source-line-no">369</span><span id="line-369"> @Override</span> |
| <span class="source-line-no">370</span><span id="line-370"> public TableDescriptor remove(final TableName tablename) throws IOException {</span> |
| <span class="source-line-no">371</span><span id="line-371"> if (fsreadonly) {</span> |
| <span class="source-line-no">372</span><span id="line-372"> throw new NotImplementedException("Cannot remove a table descriptor - in read only mode");</span> |
| <span class="source-line-no">373</span><span id="line-373"> }</span> |
| <span class="source-line-no">374</span><span id="line-374"> Path tabledir = getTableDir(tablename);</span> |
| <span class="source-line-no">375</span><span id="line-375"> if (this.fs.exists(tabledir)) {</span> |
| <span class="source-line-no">376</span><span id="line-376"> if (!this.fs.delete(tabledir, true)) {</span> |
| <span class="source-line-no">377</span><span id="line-377"> throw new IOException("Failed delete of " + tabledir.toString());</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"> TableDescriptor descriptor = this.cache.remove(tablename);</span> |
| <span class="source-line-no">381</span><span id="line-381"> return descriptor;</span> |
| <span class="source-line-no">382</span><span id="line-382"> }</span> |
| <span class="source-line-no">383</span><span id="line-383"></span> |
| <span class="source-line-no">384</span><span id="line-384"> /**</span> |
| <span class="source-line-no">385</span><span id="line-385"> * Check whether we have a valid TableDescriptor.</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 boolean isTableDir(FileSystem fs, Path tableDir) throws IOException {</span> |
| <span class="source-line-no">388</span><span id="line-388"> return getTableDescriptorFromFs(fs, tableDir, true).isPresent();</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"> * Compare {@link FileStatus} instances by {@link Path#getName()}. Returns in reverse order.</span> |
| <span class="source-line-no">393</span><span id="line-393"> */</span> |
| <span class="source-line-no">394</span><span id="line-394"> static final Comparator<FileStatus> TABLEINFO_FILESTATUS_COMPARATOR =</span> |
| <span class="source-line-no">395</span><span id="line-395"> new Comparator<FileStatus>() {</span> |
| <span class="source-line-no">396</span><span id="line-396"> @Override</span> |
| <span class="source-line-no">397</span><span id="line-397"> public int compare(FileStatus left, FileStatus right) {</span> |
| <span class="source-line-no">398</span><span id="line-398"> return right.getPath().getName().compareTo(left.getPath().getName());</span> |
| <span class="source-line-no">399</span><span id="line-399"> }</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"> * Return the table directory in HDFS</span> |
| <span class="source-line-no">404</span><span id="line-404"> */</span> |
| <span class="source-line-no">405</span><span id="line-405"> private Path getTableDir(TableName tableName) {</span> |
| <span class="source-line-no">406</span><span id="line-406"> return CommonFSUtils.getTableDir(rootdir, tableName);</span> |
| <span class="source-line-no">407</span><span id="line-407"> }</span> |
| <span class="source-line-no">408</span><span id="line-408"></span> |
| <span class="source-line-no">409</span><span id="line-409"> private static final PathFilter TABLEINFO_PATHFILTER = new PathFilter() {</span> |
| <span class="source-line-no">410</span><span id="line-410"> @Override</span> |
| <span class="source-line-no">411</span><span id="line-411"> public boolean accept(Path p) {</span> |
| <span class="source-line-no">412</span><span id="line-412"> // Accept any file that starts with TABLEINFO_NAME</span> |
| <span class="source-line-no">413</span><span id="line-413"> return p.getName().startsWith(TABLEINFO_FILE_PREFIX);</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"></span> |
| <span class="source-line-no">417</span><span id="line-417"> /**</span> |
| <span class="source-line-no">418</span><span id="line-418"> * Width of the sequenceid that is a suffix on a tableinfo file.</span> |
| <span class="source-line-no">419</span><span id="line-419"> */</span> |
| <span class="source-line-no">420</span><span id="line-420"> static final int WIDTH_OF_SEQUENCE_ID = 10;</span> |
| <span class="source-line-no">421</span><span id="line-421"></span> |
| <span class="source-line-no">422</span><span id="line-422"> /**</span> |
| <span class="source-line-no">423</span><span id="line-423"> * @param number Number to use as suffix.</span> |
| <span class="source-line-no">424</span><span id="line-424"> * @return Returns zero-prefixed decimal version of passed number (Does absolute in case number is</span> |
| <span class="source-line-no">425</span><span id="line-425"> * negative).</span> |
| <span class="source-line-no">426</span><span id="line-426"> */</span> |
| <span class="source-line-no">427</span><span id="line-427"> private static String formatTableInfoSequenceId(final int number) {</span> |
| <span class="source-line-no">428</span><span id="line-428"> byte[] b = new byte[WIDTH_OF_SEQUENCE_ID];</span> |
| <span class="source-line-no">429</span><span id="line-429"> int d = Math.abs(number);</span> |
| <span class="source-line-no">430</span><span id="line-430"> for (int i = b.length - 1; i >= 0; i--) {</span> |
| <span class="source-line-no">431</span><span id="line-431"> b[i] = (byte) ((d % 10) + '0');</span> |
| <span class="source-line-no">432</span><span id="line-432"> d /= 10;</span> |
| <span class="source-line-no">433</span><span id="line-433"> }</span> |
| <span class="source-line-no">434</span><span id="line-434"> return Bytes.toString(b);</span> |
| <span class="source-line-no">435</span><span id="line-435"> }</span> |
| <span class="source-line-no">436</span><span id="line-436"></span> |
| <span class="source-line-no">437</span><span id="line-437"> @Override</span> |
| <span class="source-line-no">438</span><span id="line-438"> public void close() throws IOException {</span> |
| <span class="source-line-no">439</span><span id="line-439"> // Close the executor when parallel loading enabled.</span> |
| <span class="source-line-no">440</span><span id="line-440"> if (tableDescriptorParallelLoadEnable) {</span> |
| <span class="source-line-no">441</span><span id="line-441"> this.executor.shutdown();</span> |
| <span class="source-line-no">442</span><span id="line-442"> }</span> |
| <span class="source-line-no">443</span><span id="line-443"> }</span> |
| <span class="source-line-no">444</span><span id="line-444"></span> |
| <span class="source-line-no">445</span><span id="line-445"> static final class SequenceIdAndFileLength {</span> |
| <span class="source-line-no">446</span><span id="line-446"></span> |
| <span class="source-line-no">447</span><span id="line-447"> final int sequenceId;</span> |
| <span class="source-line-no">448</span><span id="line-448"></span> |
| <span class="source-line-no">449</span><span id="line-449"> final int fileLength;</span> |
| <span class="source-line-no">450</span><span id="line-450"></span> |
| <span class="source-line-no">451</span><span id="line-451"> SequenceIdAndFileLength(int sequenceId, int fileLength) {</span> |
| <span class="source-line-no">452</span><span id="line-452"> this.sequenceId = sequenceId;</span> |
| <span class="source-line-no">453</span><span id="line-453"> this.fileLength = fileLength;</span> |
| <span class="source-line-no">454</span><span id="line-454"> }</span> |
| <span class="source-line-no">455</span><span id="line-455"> }</span> |
| <span class="source-line-no">456</span><span id="line-456"></span> |
| <span class="source-line-no">457</span><span id="line-457"> /**</span> |
| <span class="source-line-no">458</span><span id="line-458"> * Returns the current sequence id and file length or 0 if none found.</span> |
| <span class="source-line-no">459</span><span id="line-459"> * @param p Path to a <code>.tableinfo</code> file.</span> |
| <span class="source-line-no">460</span><span id="line-460"> */</span> |
| <span class="source-line-no">461</span><span id="line-461"> @RestrictedApi(explanation = "Should only be called in tests or self", link = "",</span> |
| <span class="source-line-no">462</span><span id="line-462"> allowedOnPath = ".*/src/test/.*|.*/FSTableDescriptors\\.java")</span> |
| <span class="source-line-no">463</span><span id="line-463"> static SequenceIdAndFileLength getTableInfoSequenceIdAndFileLength(Path p) {</span> |
| <span class="source-line-no">464</span><span id="line-464"> String name = p.getName();</span> |
| <span class="source-line-no">465</span><span id="line-465"> if (!name.startsWith(TABLEINFO_FILE_PREFIX)) {</span> |
| <span class="source-line-no">466</span><span id="line-466"> throw new IllegalArgumentException("Invalid table descriptor file name: " + name);</span> |
| <span class="source-line-no">467</span><span id="line-467"> }</span> |
| <span class="source-line-no">468</span><span id="line-468"> int firstDot = name.indexOf('.', TABLEINFO_FILE_PREFIX.length());</span> |
| <span class="source-line-no">469</span><span id="line-469"> if (firstDot < 0) {</span> |
| <span class="source-line-no">470</span><span id="line-470"> // oldest style where we do not have both sequence id and file length</span> |
| <span class="source-line-no">471</span><span id="line-471"> return new SequenceIdAndFileLength(0, 0);</span> |
| <span class="source-line-no">472</span><span id="line-472"> }</span> |
| <span class="source-line-no">473</span><span id="line-473"> int secondDot = name.indexOf('.', firstDot + 1);</span> |
| <span class="source-line-no">474</span><span id="line-474"> if (secondDot < 0) {</span> |
| <span class="source-line-no">475</span><span id="line-475"> // old stype where we do not have file length</span> |
| <span class="source-line-no">476</span><span id="line-476"> int sequenceId = Integer.parseInt(name.substring(firstDot + 1));</span> |
| <span class="source-line-no">477</span><span id="line-477"> return new SequenceIdAndFileLength(sequenceId, 0);</span> |
| <span class="source-line-no">478</span><span id="line-478"> }</span> |
| <span class="source-line-no">479</span><span id="line-479"> int sequenceId = Integer.parseInt(name.substring(firstDot + 1, secondDot));</span> |
| <span class="source-line-no">480</span><span id="line-480"> int fileLength = Integer.parseInt(name.substring(secondDot + 1));</span> |
| <span class="source-line-no">481</span><span id="line-481"> return new SequenceIdAndFileLength(sequenceId, fileLength);</span> |
| <span class="source-line-no">482</span><span id="line-482"> }</span> |
| <span class="source-line-no">483</span><span id="line-483"></span> |
| <span class="source-line-no">484</span><span id="line-484"> /**</span> |
| <span class="source-line-no">485</span><span id="line-485"> * Returns Name of tableinfo file.</span> |
| <span class="source-line-no">486</span><span id="line-486"> */</span> |
| <span class="source-line-no">487</span><span id="line-487"> @RestrictedApi(explanation = "Should only be called in tests or self", link = "",</span> |
| <span class="source-line-no">488</span><span id="line-488"> allowedOnPath = ".*/src/test/.*|.*/FSTableDescriptors\\.java")</span> |
| <span class="source-line-no">489</span><span id="line-489"> static String getTableInfoFileName(int sequenceId, byte[] content) {</span> |
| <span class="source-line-no">490</span><span id="line-490"> return TABLEINFO_FILE_PREFIX + "." + formatTableInfoSequenceId(sequenceId) + "."</span> |
| <span class="source-line-no">491</span><span id="line-491"> + content.length;</span> |
| <span class="source-line-no">492</span><span id="line-492"> }</span> |
| <span class="source-line-no">493</span><span id="line-493"></span> |
| <span class="source-line-no">494</span><span id="line-494"> /**</span> |
| <span class="source-line-no">495</span><span id="line-495"> * Returns the latest table descriptor for the given table directly from the file system if it</span> |
| <span class="source-line-no">496</span><span id="line-496"> * exists, bypassing the local cache. Returns null if it's not found.</span> |
| <span class="source-line-no">497</span><span id="line-497"> */</span> |
| <span class="source-line-no">498</span><span id="line-498"> public static TableDescriptor getTableDescriptorFromFs(FileSystem fs, Path hbaseRootDir,</span> |
| <span class="source-line-no">499</span><span id="line-499"> TableName tableName) throws IOException {</span> |
| <span class="source-line-no">500</span><span id="line-500"> Path tableDir = CommonFSUtils.getTableDir(hbaseRootDir, tableName);</span> |
| <span class="source-line-no">501</span><span id="line-501"> return getTableDescriptorFromFs(fs, tableDir);</span> |
| <span class="source-line-no">502</span><span id="line-502"> }</span> |
| <span class="source-line-no">503</span><span id="line-503"></span> |
| <span class="source-line-no">504</span><span id="line-504"> /**</span> |
| <span class="source-line-no">505</span><span id="line-505"> * Returns the latest table descriptor for the table located at the given directory directly from</span> |
| <span class="source-line-no">506</span><span id="line-506"> * the file system if it exists.</span> |
| <span class="source-line-no">507</span><span id="line-507"> */</span> |
| <span class="source-line-no">508</span><span id="line-508"> public static TableDescriptor getTableDescriptorFromFs(FileSystem fs, Path tableDir)</span> |
| <span class="source-line-no">509</span><span id="line-509"> throws IOException {</span> |
| <span class="source-line-no">510</span><span id="line-510"> return getTableDescriptorFromFs(fs, tableDir, true).map(Pair::getSecond).orElse(null);</span> |
| <span class="source-line-no">511</span><span id="line-511"> }</span> |
| <span class="source-line-no">512</span><span id="line-512"></span> |
| <span class="source-line-no">513</span><span id="line-513"> private static void deleteMalformedFile(FileSystem fs, Path file) throws IOException {</span> |
| <span class="source-line-no">514</span><span id="line-514"> LOG.info("Delete malformed table descriptor file {}", file);</span> |
| <span class="source-line-no">515</span><span id="line-515"> if (!fs.delete(file, false)) {</span> |
| <span class="source-line-no">516</span><span id="line-516"> LOG.warn("Failed to delete malformed table descriptor file {}", file);</span> |
| <span class="source-line-no">517</span><span id="line-517"> }</span> |
| <span class="source-line-no">518</span><span id="line-518"> }</span> |
| <span class="source-line-no">519</span><span id="line-519"></span> |
| <span class="source-line-no">520</span><span id="line-520"> private static Optional<Pair<FileStatus, TableDescriptor>> getTableDescriptorFromFs(FileSystem fs,</span> |
| <span class="source-line-no">521</span><span id="line-521"> Path tableDir, boolean readonly) throws IOException {</span> |
| <span class="source-line-no">522</span><span id="line-522"> Path tableInfoDir = new Path(tableDir, TABLEINFO_DIR);</span> |
| <span class="source-line-no">523</span><span id="line-523"> FileStatus[] descFiles = CommonFSUtils.listStatus(fs, tableInfoDir, TABLEINFO_PATHFILTER);</span> |
| <span class="source-line-no">524</span><span id="line-524"> if (descFiles == null || descFiles.length < 1) {</span> |
| <span class="source-line-no">525</span><span id="line-525"> return Optional.empty();</span> |
| <span class="source-line-no">526</span><span id="line-526"> }</span> |
| <span class="source-line-no">527</span><span id="line-527"> Arrays.sort(descFiles, TABLEINFO_FILESTATUS_COMPARATOR);</span> |
| <span class="source-line-no">528</span><span id="line-528"> int i = 0;</span> |
| <span class="source-line-no">529</span><span id="line-529"> TableDescriptor td = null;</span> |
| <span class="source-line-no">530</span><span id="line-530"> FileStatus descFile = null;</span> |
| <span class="source-line-no">531</span><span id="line-531"> for (; i < descFiles.length; i++) {</span> |
| <span class="source-line-no">532</span><span id="line-532"> descFile = descFiles[i];</span> |
| <span class="source-line-no">533</span><span id="line-533"> Path file = descFile.getPath();</span> |
| <span class="source-line-no">534</span><span id="line-534"> // get file length from file name if present</span> |
| <span class="source-line-no">535</span><span id="line-535"> int fileLength = getTableInfoSequenceIdAndFileLength(file).fileLength;</span> |
| <span class="source-line-no">536</span><span id="line-536"> byte[] content = new byte[fileLength > 0 ? fileLength : Ints.checkedCast(descFile.getLen())];</span> |
| <span class="source-line-no">537</span><span id="line-537"> try (FSDataInputStream in = fs.open(file)) {</span> |
| <span class="source-line-no">538</span><span id="line-538"> in.readFully(content);</span> |
| <span class="source-line-no">539</span><span id="line-539"> } catch (EOFException e) {</span> |
| <span class="source-line-no">540</span><span id="line-540"> LOG.info("Failed to load file {} due to EOF, it should be half written: {}", file,</span> |
| <span class="source-line-no">541</span><span id="line-541"> e.toString());</span> |
| <span class="source-line-no">542</span><span id="line-542"> if (!readonly) {</span> |
| <span class="source-line-no">543</span><span id="line-543"> deleteMalformedFile(fs, file);</span> |
| <span class="source-line-no">544</span><span id="line-544"> }</span> |
| <span class="source-line-no">545</span><span id="line-545"> continue;</span> |
| <span class="source-line-no">546</span><span id="line-546"> }</span> |
| <span class="source-line-no">547</span><span id="line-547"> try {</span> |
| <span class="source-line-no">548</span><span id="line-548"> td = TableDescriptorBuilder.parseFrom(content);</span> |
| <span class="source-line-no">549</span><span id="line-549"> break;</span> |
| <span class="source-line-no">550</span><span id="line-550"> } catch (DeserializationException e) {</span> |
| <span class="source-line-no">551</span><span id="line-551"> LOG.info("Failed to parse file {} due to malformed protobuf message: {}", file,</span> |
| <span class="source-line-no">552</span><span id="line-552"> e.toString());</span> |
| <span class="source-line-no">553</span><span id="line-553"> if (!readonly) {</span> |
| <span class="source-line-no">554</span><span id="line-554"> deleteMalformedFile(fs, file);</span> |
| <span class="source-line-no">555</span><span id="line-555"> }</span> |
| <span class="source-line-no">556</span><span id="line-556"> }</span> |
| <span class="source-line-no">557</span><span id="line-557"> }</span> |
| <span class="source-line-no">558</span><span id="line-558"> if (!readonly) {</span> |
| <span class="source-line-no">559</span><span id="line-559"> // i + 1 to skip the one we load</span> |
| <span class="source-line-no">560</span><span id="line-560"> for (i = i + 1; i < descFiles.length; i++) {</span> |
| <span class="source-line-no">561</span><span id="line-561"> Path file = descFiles[i].getPath();</span> |
| <span class="source-line-no">562</span><span id="line-562"> LOG.info("Delete old table descriptor file {}", file);</span> |
| <span class="source-line-no">563</span><span id="line-563"> if (!fs.delete(file, false)) {</span> |
| <span class="source-line-no">564</span><span id="line-564"> LOG.info("Failed to delete old table descriptor file {}", file);</span> |
| <span class="source-line-no">565</span><span id="line-565"> }</span> |
| <span class="source-line-no">566</span><span id="line-566"> }</span> |
| <span class="source-line-no">567</span><span id="line-567"> }</span> |
| <span class="source-line-no">568</span><span id="line-568"> return td != null ? Optional.of(Pair.newPair(descFile, td)) : Optional.empty();</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"> @RestrictedApi(explanation = "Should only be called in tests", link = "",</span> |
| <span class="source-line-no">572</span><span id="line-572"> allowedOnPath = ".*/src/test/.*")</span> |
| <span class="source-line-no">573</span><span id="line-573"> public static void deleteTableDescriptors(FileSystem fs, Path tableDir) throws IOException {</span> |
| <span class="source-line-no">574</span><span id="line-574"> Path tableInfoDir = new Path(tableDir, TABLEINFO_DIR);</span> |
| <span class="source-line-no">575</span><span id="line-575"> deleteTableDescriptorFiles(fs, tableInfoDir, Integer.MAX_VALUE);</span> |
| <span class="source-line-no">576</span><span id="line-576"> }</span> |
| <span class="source-line-no">577</span><span id="line-577"></span> |
| <span class="source-line-no">578</span><span id="line-578"> /**</span> |
| <span class="source-line-no">579</span><span id="line-579"> * Deletes files matching the table info file pattern within the given directory whose sequenceId</span> |
| <span class="source-line-no">580</span><span id="line-580"> * is at most the given max sequenceId.</span> |
| <span class="source-line-no">581</span><span id="line-581"> */</span> |
| <span class="source-line-no">582</span><span id="line-582"> private static void deleteTableDescriptorFiles(FileSystem fs, Path dir, int maxSequenceId)</span> |
| <span class="source-line-no">583</span><span id="line-583"> throws IOException {</span> |
| <span class="source-line-no">584</span><span id="line-584"> FileStatus[] status = CommonFSUtils.listStatus(fs, dir, TABLEINFO_PATHFILTER);</span> |
| <span class="source-line-no">585</span><span id="line-585"> for (FileStatus file : status) {</span> |
| <span class="source-line-no">586</span><span id="line-586"> Path path = file.getPath();</span> |
| <span class="source-line-no">587</span><span id="line-587"> int sequenceId = getTableInfoSequenceIdAndFileLength(path).sequenceId;</span> |
| <span class="source-line-no">588</span><span id="line-588"> if (sequenceId <= maxSequenceId) {</span> |
| <span class="source-line-no">589</span><span id="line-589"> boolean success = CommonFSUtils.delete(fs, path, false);</span> |
| <span class="source-line-no">590</span><span id="line-590"> if (success) {</span> |
| <span class="source-line-no">591</span><span id="line-591"> LOG.debug("Deleted {}", path);</span> |
| <span class="source-line-no">592</span><span id="line-592"> } else {</span> |
| <span class="source-line-no">593</span><span id="line-593"> LOG.error("Failed to delete table descriptor at {}", path);</span> |
| <span class="source-line-no">594</span><span id="line-594"> }</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"></span> |
| <span class="source-line-no">599</span><span id="line-599"> /**</span> |
| <span class="source-line-no">600</span><span id="line-600"> * Attempts to write a new table descriptor to the given table's directory. It begins at the</span> |
| <span class="source-line-no">601</span><span id="line-601"> * currentSequenceId + 1 and tries 10 times to find a new sequence number not already in use.</span> |
| <span class="source-line-no">602</span><span id="line-602"> * <p/></span> |
| <span class="source-line-no">603</span><span id="line-603"> * Removes the current descriptor file if passed in.</span> |
| <span class="source-line-no">604</span><span id="line-604"> * @return Descriptor file or null if we failed write.</span> |
| <span class="source-line-no">605</span><span id="line-605"> */</span> |
| <span class="source-line-no">606</span><span id="line-606"> private static Path writeTableDescriptor(final FileSystem fs, final TableDescriptor td,</span> |
| <span class="source-line-no">607</span><span id="line-607"> final Path tableDir, final FileStatus currentDescriptorFile) throws IOException {</span> |
| <span class="source-line-no">608</span><span id="line-608"> // Here we will write to the final directory directly to avoid renaming as on OSS renaming is</span> |
| <span class="source-line-no">609</span><span id="line-609"> // not atomic and has performance issue. The reason why we could do this is that, in the below</span> |
| <span class="source-line-no">610</span><span id="line-610"> // code we will not overwrite existing files, we will write a new file instead. And when</span> |
| <span class="source-line-no">611</span><span id="line-611"> // loading, we will skip the half written file, please see the code in getTableDescriptorFromFs</span> |
| <span class="source-line-no">612</span><span id="line-612"> Path tableInfoDir = new Path(tableDir, TABLEINFO_DIR);</span> |
| <span class="source-line-no">613</span><span id="line-613"></span> |
| <span class="source-line-no">614</span><span id="line-614"> // In proc v2 we have table lock so typically, there will be no concurrent writes. Keep the</span> |
| <span class="source-line-no">615</span><span id="line-615"> // retry logic here since we may still want to write the table descriptor from for example,</span> |
| <span class="source-line-no">616</span><span id="line-616"> // HBCK2?</span> |
| <span class="source-line-no">617</span><span id="line-617"> int currentSequenceId = currentDescriptorFile == null</span> |
| <span class="source-line-no">618</span><span id="line-618"> ? 0</span> |
| <span class="source-line-no">619</span><span id="line-619"> : getTableInfoSequenceIdAndFileLength(currentDescriptorFile.getPath()).sequenceId;</span> |
| <span class="source-line-no">620</span><span id="line-620"></span> |
| <span class="source-line-no">621</span><span id="line-621"> // Put arbitrary upperbound on how often we retry</span> |
| <span class="source-line-no">622</span><span id="line-622"> int maxAttempts = 10;</span> |
| <span class="source-line-no">623</span><span id="line-623"> int maxSequenceId = currentSequenceId + maxAttempts;</span> |
| <span class="source-line-no">624</span><span id="line-624"> byte[] bytes = TableDescriptorBuilder.toByteArray(td);</span> |
| <span class="source-line-no">625</span><span id="line-625"> for (int newSequenceId = currentSequenceId + 1; newSequenceId</span> |
| <span class="source-line-no">626</span><span id="line-626"> <= maxSequenceId; newSequenceId++) {</span> |
| <span class="source-line-no">627</span><span id="line-627"> String fileName = getTableInfoFileName(newSequenceId, bytes);</span> |
| <span class="source-line-no">628</span><span id="line-628"> Path filePath = new Path(tableInfoDir, fileName);</span> |
| <span class="source-line-no">629</span><span id="line-629"> try (FSDataOutputStream out = fs.create(filePath, false)) {</span> |
| <span class="source-line-no">630</span><span id="line-630"> out.write(bytes);</span> |
| <span class="source-line-no">631</span><span id="line-631"> } catch (FileAlreadyExistsException e) {</span> |
| <span class="source-line-no">632</span><span id="line-632"> LOG.debug("{} exists; retrying up to {} times", filePath, maxAttempts, e);</span> |
| <span class="source-line-no">633</span><span id="line-633"> continue;</span> |
| <span class="source-line-no">634</span><span id="line-634"> } catch (IOException e) {</span> |
| <span class="source-line-no">635</span><span id="line-635"> LOG.debug("Failed write {}; retrying up to {} times", filePath, maxAttempts, e);</span> |
| <span class="source-line-no">636</span><span id="line-636"> continue;</span> |
| <span class="source-line-no">637</span><span id="line-637"> }</span> |
| <span class="source-line-no">638</span><span id="line-638"> deleteTableDescriptorFiles(fs, tableInfoDir, newSequenceId - 1);</span> |
| <span class="source-line-no">639</span><span id="line-639"> return filePath;</span> |
| <span class="source-line-no">640</span><span id="line-640"> }</span> |
| <span class="source-line-no">641</span><span id="line-641"> return null;</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"> /**</span> |
| <span class="source-line-no">645</span><span id="line-645"> * Create new TableDescriptor in HDFS. Happens when we are creating table. Used by tests.</span> |
| <span class="source-line-no">646</span><span id="line-646"> * @return True if we successfully created file.</span> |
| <span class="source-line-no">647</span><span id="line-647"> */</span> |
| <span class="source-line-no">648</span><span id="line-648"> public boolean createTableDescriptor(TableDescriptor htd) throws IOException {</span> |
| <span class="source-line-no">649</span><span id="line-649"> return createTableDescriptor(htd, false);</span> |
| <span class="source-line-no">650</span><span id="line-650"> }</span> |
| <span class="source-line-no">651</span><span id="line-651"></span> |
| <span class="source-line-no">652</span><span id="line-652"> /**</span> |
| <span class="source-line-no">653</span><span id="line-653"> * Create new TableDescriptor in HDFS. Happens when we are creating table. If forceCreation is</span> |
| <span class="source-line-no">654</span><span id="line-654"> * true then even if previous table descriptor is present it will be overwritten</span> |
| <span class="source-line-no">655</span><span id="line-655"> * @return True if we successfully created file.</span> |
| <span class="source-line-no">656</span><span id="line-656"> */</span> |
| <span class="source-line-no">657</span><span id="line-657"> public boolean createTableDescriptor(TableDescriptor htd, boolean forceCreation)</span> |
| <span class="source-line-no">658</span><span id="line-658"> throws IOException {</span> |
| <span class="source-line-no">659</span><span id="line-659"> Path tableDir = getTableDir(htd.getTableName());</span> |
| <span class="source-line-no">660</span><span id="line-660"> return createTableDescriptorForTableDirectory(tableDir, htd, forceCreation);</span> |
| <span class="source-line-no">661</span><span id="line-661"> }</span> |
| <span class="source-line-no">662</span><span id="line-662"></span> |
| <span class="source-line-no">663</span><span id="line-663"> /**</span> |
| <span class="source-line-no">664</span><span id="line-664"> * Create a new TableDescriptor in HDFS in the specified table directory. Happens when we create a</span> |
| <span class="source-line-no">665</span><span id="line-665"> * new table during cluster start or in Clone and Create Table Procedures. Checks readOnly flag</span> |
| <span class="source-line-no">666</span><span id="line-666"> * passed on construction.</span> |
| <span class="source-line-no">667</span><span id="line-667"> * @param tableDir table directory under which we should write the file</span> |
| <span class="source-line-no">668</span><span id="line-668"> * @param htd description of the table to write</span> |
| <span class="source-line-no">669</span><span id="line-669"> * @param forceCreation if <tt>true</tt>,then even if previous table descriptor is present it will</span> |
| <span class="source-line-no">670</span><span id="line-670"> * be overwritten</span> |
| <span class="source-line-no">671</span><span id="line-671"> * @return <tt>true</tt> if the we successfully created the file, <tt>false</tt> if the file</span> |
| <span class="source-line-no">672</span><span id="line-672"> * already exists and we weren't forcing the descriptor creation.</span> |
| <span class="source-line-no">673</span><span id="line-673"> * @throws IOException if a filesystem error occurs</span> |
| <span class="source-line-no">674</span><span id="line-674"> */</span> |
| <span class="source-line-no">675</span><span id="line-675"> public boolean createTableDescriptorForTableDirectory(Path tableDir, TableDescriptor htd,</span> |
| <span class="source-line-no">676</span><span id="line-676"> boolean forceCreation) throws IOException {</span> |
| <span class="source-line-no">677</span><span id="line-677"> if (this.fsreadonly) {</span> |
| <span class="source-line-no">678</span><span id="line-678"> throw new NotImplementedException("Cannot create a table descriptor - in read only mode");</span> |
| <span class="source-line-no">679</span><span id="line-679"> }</span> |
| <span class="source-line-no">680</span><span id="line-680"> return createTableDescriptorForTableDirectory(this.fs, tableDir, htd, forceCreation);</span> |
| <span class="source-line-no">681</span><span id="line-681"> }</span> |
| <span class="source-line-no">682</span><span id="line-682"></span> |
| <span class="source-line-no">683</span><span id="line-683"> /**</span> |
| <span class="source-line-no">684</span><span id="line-684"> * Create a new TableDescriptor in HDFS in the specified table directory. Happens when we create a</span> |
| <span class="source-line-no">685</span><span id="line-685"> * new table snapshoting. Does not enforce read-only. That is for caller to determine.</span> |
| <span class="source-line-no">686</span><span id="line-686"> * @param fs Filesystem to use.</span> |
| <span class="source-line-no">687</span><span id="line-687"> * @param tableDir table directory under which we should write the file</span> |
| <span class="source-line-no">688</span><span id="line-688"> * @param htd description of the table to write</span> |
| <span class="source-line-no">689</span><span id="line-689"> * @param forceCreation if <tt>true</tt>,then even if previous table descriptor is present it will</span> |
| <span class="source-line-no">690</span><span id="line-690"> * be overwritten</span> |
| <span class="source-line-no">691</span><span id="line-691"> * @return <tt>true</tt> if the we successfully created the file, <tt>false</tt> if the file</span> |
| <span class="source-line-no">692</span><span id="line-692"> * already exists and we weren't forcing the descriptor creation.</span> |
| <span class="source-line-no">693</span><span id="line-693"> * @throws IOException if a filesystem error occurs</span> |
| <span class="source-line-no">694</span><span id="line-694"> */</span> |
| <span class="source-line-no">695</span><span id="line-695"> public static boolean createTableDescriptorForTableDirectory(FileSystem fs, Path tableDir,</span> |
| <span class="source-line-no">696</span><span id="line-696"> TableDescriptor htd, boolean forceCreation) throws IOException {</span> |
| <span class="source-line-no">697</span><span id="line-697"> Optional<Pair<FileStatus, TableDescriptor>> opt = getTableDescriptorFromFs(fs, tableDir, false);</span> |
| <span class="source-line-no">698</span><span id="line-698"> if (opt.isPresent()) {</span> |
| <span class="source-line-no">699</span><span id="line-699"> LOG.debug("Current path={}", opt.get().getFirst());</span> |
| <span class="source-line-no">700</span><span id="line-700"> if (!forceCreation) {</span> |
| <span class="source-line-no">701</span><span id="line-701"> if (htd.equals(opt.get().getSecond())) {</span> |
| <span class="source-line-no">702</span><span id="line-702"> LOG.trace("TableInfo already exists.. Skipping creation");</span> |
| <span class="source-line-no">703</span><span id="line-703"> return false;</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"> }</span> |
| <span class="source-line-no">707</span><span id="line-707"> return writeTableDescriptor(fs, htd, tableDir, opt.map(Pair::getFirst).orElse(null)) != null;</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> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |