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| <pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> *<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> *<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.regionserver;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Collection;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Map.Entry;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Optional;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.ConcurrentMap;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Abortable;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.Server;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.TableDescriptors;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.TableName;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.client.locking.EntityLock;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.executor.ExecutorService;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.io.hfile.BlockCache;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ipc.RpcServerInterface;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.mob.MobFileCache;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.quotas.RegionServerRpcQuotaManager;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.quotas.RegionServerSpaceQuotaManager;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.quotas.RegionSizeStore;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequester;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.regionserver.throttle.ThroughputController;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.security.access.AccessChecker;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.security.access.ZKPermissionWatcher;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.com.google.protobuf.Service;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionStateTransition.TransitionCode;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span>/**<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * A curated subset of services provided by {@link HRegionServer}.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * For use internally only. Passed to Managers, Services and Chores so can pass less-than-a<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * full-on HRegionServer at test-time. Be judicious adding API. Changes cause ripples through<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * the code base.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> */<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>public interface RegionServerServices extends Server, MutableOnlineRegions, FavoredNodesForRegion {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> /** @return the WAL for a particular region. Pass null for getting the<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * default (common) WAL */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> WAL getWAL(RegionInfo regionInfo) throws IOException;<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> /** @return the List of WALs that are used by this server<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Doesn't include the meta WAL<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> */<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> List<WAL> getWALs() throws IOException;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> /**<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * @return Implementation of {@link FlushRequester} or null. Usually it will not be null unless<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * during intialization.<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> FlushRequester getFlushRequester();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> /**<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * @return Implementation of {@link CompactionRequester} or null. Usually it will not be null<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * unless during intialization.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> */<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> CompactionRequester getCompactionRequestor();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> /**<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> * @return the RegionServerAccounting for this Region Server<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> */<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> RegionServerAccounting getRegionServerAccounting();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> /**<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @return RegionServer's instance of {@link RegionServerRpcQuotaManager}<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> */<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> RegionServerRpcQuotaManager getRegionServerRpcQuotaManager();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> /**<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @return RegionServer's instance of {@link SecureBulkLoadManager}<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> */<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> SecureBulkLoadManager getSecureBulkLoadManager();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span><a name="line.95"></a> |
| <span class="sourceLineNo">096</span> /**<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * @return RegionServer's instance of {@link RegionServerSpaceQuotaManager}<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> */<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> RegionServerSpaceQuotaManager getRegionServerSpaceQuotaManager();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> /**<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * Context for postOpenDeployTasks().<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> */<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> class PostOpenDeployContext {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private final HRegion region;<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> private final long openProcId;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> private final long masterSystemTime;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public PostOpenDeployContext(HRegion region, long openProcId, long masterSystemTime) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> this.region = region;<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> this.openProcId = openProcId;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> this.masterSystemTime = masterSystemTime;<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> }<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> public HRegion getRegion() {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return region;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> public long getOpenProcId() {<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> return openProcId;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> public long getMasterSystemTime() {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> return masterSystemTime;<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span><a name="line.127"></a> |
| <span class="sourceLineNo">128</span> /**<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * Tasks to perform after region open to complete deploy of region on regionserver<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * @param context the context<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> */<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> void postOpenDeployTasks(final PostOpenDeployContext context) throws IOException;<a name="line.132"></a> |
| <span class="sourceLineNo">133</span><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> class RegionStateTransitionContext {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> private final TransitionCode code;<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> private final long openSeqNum;<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> private final long masterSystemTime;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> private final long[] procIds;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> private final RegionInfo[] hris;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> public RegionStateTransitionContext(TransitionCode code, long openSeqNum, long masterSystemTime,<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> RegionInfo... hris) {<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> this.code = code;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> this.openSeqNum = openSeqNum;<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> this.masterSystemTime = masterSystemTime;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> this.hris = hris;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> this.procIds = new long[hris.length];<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> public RegionStateTransitionContext(TransitionCode code, long openSeqNum, long procId,<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> long masterSystemTime, RegionInfo hri) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> this.code = code;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> this.openSeqNum = openSeqNum;<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> this.masterSystemTime = masterSystemTime;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> this.hris = new RegionInfo[] { hri };<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> this.procIds = new long[] { procId };<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> public TransitionCode getCode() {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> return code;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> public long getOpenSeqNum() {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> return openSeqNum;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> public long getMasterSystemTime() {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> return masterSystemTime;<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> public RegionInfo[] getHris() {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> return hris;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> }<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> public long[] getProcIds() {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> return procIds;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> /**<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * Notify master that a handler requests to change a region state<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> */<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> boolean reportRegionStateTransition(final RegionStateTransitionContext context);<a name="line.183"></a> |
| <span class="sourceLineNo">184</span><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> /**<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * Returns a reference to the region server's RPC server<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> */<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> RpcServerInterface getRpcServer();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> /**<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> * Get the regions that are currently being opened or closed in the RS<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * @return map of regions in transition in this RS<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> */<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> ConcurrentMap<byte[], Boolean> getRegionsInTransitionInRS();<a name="line.194"></a> |
| <span class="sourceLineNo">195</span><a name="line.195"></a> |
| <span class="sourceLineNo">196</span> /**<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * @return The RegionServer's "Leases" service<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> */<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> LeaseManager getLeaseManager();<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> /**<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> * @return hbase executor service<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> */<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> ExecutorService getExecutorService();<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> /**<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> * Only required for "old" log replay; if it's removed, remove this.<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * @return The RegionServer's NonceManager<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> */<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> ServerNonceManager getNonceManager();<a name="line.210"></a> |
| <span class="sourceLineNo">211</span><a name="line.211"></a> |
| <span class="sourceLineNo">212</span> /**<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> * Registers a new protocol buffer {@link Service} subclass as a coprocessor endpoint to be<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * available for handling<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> * @param service the {@code Service} subclass instance to expose as a coprocessor endpoint<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> * @return {@code true} if the registration was successful, {@code false}<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> */<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> boolean registerService(Service service);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span><a name="line.219"></a> |
| <span class="sourceLineNo">220</span> /**<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> * @return heap memory manager instance<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> */<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> HeapMemoryManager getHeapMemoryManager();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> /**<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * @return the max compaction pressure of all stores on this regionserver. The value should be<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> * greater than or equal to 0.0, and any value greater than 1.0 means we enter the<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> * emergency state that some stores have too many store files.<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> * @see org.apache.hadoop.hbase.regionserver.Store#getCompactionPressure()<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> */<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> double getCompactionPressure();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span><a name="line.232"></a> |
| <span class="sourceLineNo">233</span> /**<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * @return the controller to avoid flush too fast<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> */<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> ThroughputController getFlushThroughputController();<a name="line.236"></a> |
| <span class="sourceLineNo">237</span><a name="line.237"></a> |
| <span class="sourceLineNo">238</span> /**<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> * @return the flush pressure of all stores on this regionserver. The value should be greater than<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> * or equal to 0.0, and any value greater than 1.0 means we enter the emergency state that<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> * global memstore size already exceeds lower limit.<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> */<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> @Deprecated<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> double getFlushPressure();<a name="line.244"></a> |
| <span class="sourceLineNo">245</span><a name="line.245"></a> |
| <span class="sourceLineNo">246</span> /**<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @return the metrics tracker for the region server<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> */<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> MetricsRegionServer getMetrics();<a name="line.249"></a> |
| <span class="sourceLineNo">250</span><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> /**<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * Master based locks on namespaces/tables/regions.<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> */<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> EntityLock regionLock(List<RegionInfo> regionInfos, String description,<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> Abortable abort) throws IOException;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> /**<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> * Unassign the given region from the current regionserver and assign it randomly. Could still be<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> * assigned to us. This is used to solve some tough problems for which you need to reset the state<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> * of a region. For example, if you hit FileNotFound exception and want to refresh the store file<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> * list.<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> * <p><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> * See HBASE-17712 for more details.<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> */<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> void unassign(byte[] regionName) throws IOException;<a name="line.265"></a> |
| <span class="sourceLineNo">266</span><a name="line.266"></a> |
| <span class="sourceLineNo">267</span> /**<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> * Reports the provided Region sizes hosted by this RegionServer to the active Master.<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> *<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> * @param sizeStore The sizes for Regions locally hosted.<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> * @return {@code false} if reporting should be temporarily paused, {@code true} otherwise.<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> */<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> boolean reportRegionSizesForQuotas(RegionSizeStore sizeStore);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span><a name="line.274"></a> |
| <span class="sourceLineNo">275</span> /**<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> * Reports a collection of files, and their sizes, that belonged to the given {@code table} were<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * just moved to the archive directory.<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> *<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> * @param tableName The name of the table that files previously belonged to<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> * @param archivedFiles Files and their sizes that were moved to archive<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> * @return {@code true} if the files were successfully reported, {@code false} otherwise.<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> */<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> boolean reportFileArchivalForQuotas(<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> TableName tableName, Collection<Entry<String,Long>> archivedFiles);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span><a name="line.285"></a> |
| <span class="sourceLineNo">286</span> /**<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * @return True if cluster is up; false if cluster is not up (we are shutting down).<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> */<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> boolean isClusterUp();<a name="line.289"></a> |
| <span class="sourceLineNo">290</span><a name="line.290"></a> |
| <span class="sourceLineNo">291</span> /**<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> * @return Return the object that implements the replication source executorService.<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> */<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> ReplicationSourceService getReplicationSourceService();<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> /**<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> * @return Return table descriptors implementation.<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> */<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> TableDescriptors getTableDescriptors();<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> /**<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> * @return The block cache instance.<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> */<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> Optional<BlockCache> getBlockCache();<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> /**<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> * @return The cache for mob files.<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> */<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> Optional<MobFileCache> getMobFileCache();<a name="line.309"></a> |
| <span class="sourceLineNo">310</span><a name="line.310"></a> |
| <span class="sourceLineNo">311</span> /**<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> * @return the {@link AccessChecker}<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> */<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> AccessChecker getAccessChecker();<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> /**<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> * @return {@link ZKPermissionWatcher}<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> */<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> ZKPermissionWatcher getZKPermissionWatcher();<a name="line.319"></a> |
| <span class="sourceLineNo">320</span>}<a name="line.320"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
