You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2017/05/27 14:59:34 UTC
[14/40] hbase-site git commit: Published site at
82d554e3783372cc6b05489452c815b57c06f6cd.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f8f0a032/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.html
index 7aeb0fb..f01cf3a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.html
@@ -27,3384 +27,3404 @@
<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 com.google.common.annotations.VisibleForTesting;<a name="line.21"></a>
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-<span class="sourceLineNo">025</span>import java.io.InterruptedIOException;<a name="line.25"></a>
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-<span class="sourceLineNo">028</span>import java.net.UnknownHostException;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.nio.ByteBuffer;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.*;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.Map.Entry;<a name="line.31"></a>
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-<span class="sourceLineNo">243</span><a name="line.243"></a>
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+<span class="sourceLineNo">153</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.OpenRegionRequest.RegionOpenInfo;<a name="line.153"></a>
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+<span class="sourceLineNo">155</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.OpenRegionResponse.RegionOpeningState;<a name="line.155"></a>
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+<span class="sourceLineNo">161</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.SplitRegionResponse;<a name="line.161"></a>
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+<span class="sourceLineNo">163</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.StopServerResponse;<a name="line.163"></a>
+<span class="sourceLineNo">164</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.UpdateConfigurationRequest;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.UpdateConfigurationResponse;<a name="line.165"></a>
+<span class="sourceLineNo">166</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.UpdateFavoredNodesRequest;<a name="line.166"></a>
+<span class="sourceLineNo">167</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.UpdateFavoredNodesResponse;<a name="line.167"></a>
+<span class="sourceLineNo">168</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WALEntry;<a name="line.168"></a>
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+<span class="sourceLineNo">170</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.WarmupRegionResponse;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.171"></a>
+<span class="sourceLineNo">172</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Action;<a name="line.172"></a>
+<span class="sourceLineNo">173</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.BulkLoadHFileRequest;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.BulkLoadHFileRequest.FamilyPath;<a name="line.174"></a>
+<span class="sourceLineNo">175</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.BulkLoadHFileResponse;<a name="line.175"></a>
+<span class="sourceLineNo">176</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CleanupBulkLoadRequest;<a name="line.176"></a>
+<span class="sourceLineNo">177</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CleanupBulkLoadResponse;<a name="line.177"></a>
+<span class="sourceLineNo">178</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService;<a name="line.178"></a>
+<span class="sourceLineNo">179</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.Condition;<a name="line.179"></a>
+<span class="sourceLineNo">180</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CoprocessorServiceRequest;<a name="line.180"></a>
+<span class="sourceLineNo">181</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CoprocessorServiceResponse;<a name="line.181"></a>
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+<span class="sourceLineNo">183</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.GetResponse;<a name="line.183"></a>
+<span class="sourceLineNo">184</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MultiRegionLoadStats;<a name="line.184"></a>
+<span class="sourceLineNo">185</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MultiRequest;<a name="line.185"></a>
+<span class="sourceLineNo">186</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MultiResponse;<a name="line.186"></a>
+<span class="sourceLineNo">187</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutateRequest;<a name="line.187"></a>
+<span class="sourceLineNo">188</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutateResponse;<a name="line.188"></a>
+<span class="sourceLineNo">189</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto;<a name="line.189"></a>
+<span class="sourceLineNo">190</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationProto.MutationType;<a name="line.190"></a>
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+<span class="sourceLineNo">192</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.PrepareBulkLoadResponse;<a name="line.192"></a>
+<span class="sourceLineNo">193</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionAction;<a name="line.193"></a>
+<span class="sourceLineNo">194</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.RegionActionResult;<a name="line.194"></a>
+<span class="sourceLineNo">195</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ResultOrException;<a name="line.195"></a>
+<span class="sourceLineNo">196</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ScanRequest;<a name="line.196"></a>
+<span class="sourceLineNo">197</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ScanResponse;<a name="line.197"></a>
+<span class="sourceLineNo">198</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;<a name="line.198"></a>
+<span class="sourceLineNo">199</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos.RegionLoad;<a name="line.199"></a>
+<span class="sourceLineNo">200</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.NameBytesPair;<a name="line.200"></a>
+<span class="sourceLineNo">201</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.NameInt64Pair;<a name="line.201"></a>
+<span class="sourceLineNo">202</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionInfo;<a name="line.202"></a>
+<span class="sourceLineNo">203</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier;<a name="line.203"></a>
+<span class="sourceLineNo">204</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.RegionSpecifierType;<a name="line.204"></a>
+<span class="sourceLineNo">205</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MapReduceProtos.ScanMetrics;<a name="line.205"></a>
+<span class="sourceLineNo">206</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaSnapshotsRequest;<a name="line.206"></a>
+<span class="sourceLineNo">207</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaSnapshotsResponse;<a name="line.207"></a>
+<span class="sourceLineNo">208</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaSnapshotsResponse.TableQuotaSnapshot;<a name="line.208"></a>
+<span class="sourceLineNo">209</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader;<a name="line.209"></a>
+<span class="sourceLineNo">210</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.BulkLoadDescriptor;<a name="line.210"></a>
+<span class="sourceLineNo">211</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.CompactionDescriptor;<a name="line.211"></a>
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+<span class="sourceLineNo">213</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.WALProtos.RegionEventDescriptor;<a name="line.213"></a>
+<span class="sourceLineNo">214</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.214"></a>
+<span class="sourceLineNo">215</span>import org.apache.hadoop.hbase.util.DNS;<a name="line.215"></a>
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+<span class="sourceLineNo">217</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.217"></a>
+<span class="sourceLineNo">218</span>import org.apache.hadoop.hbase.util.ServerRegionReplicaUtil;<a name="line.218"></a>
+<span class="sourceLineNo">219</span>import org.apache.hadoop.hbase.util.Strings;<a name="line.219"></a>
+<span class="sourceLineNo">220</span>import org.apache.hadoop.hbase.wal.WAL;<a name="line.220"></a>
+<span class="sourceLineNo">221</span>import org.apache.hadoop.hbase.wal.WALKey;<a name="line.221"></a>
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+<span class="sourceLineNo">223</span>import org.apache.hadoop.hbase.zookeeper.ZKSplitLog;<a name="line.223"></a>
+<span class="sourceLineNo">224</span>import org.apache.zookeeper.KeeperException;<a name="line.224"></a>
+<span class="sourceLineNo">225</span><a name="line.225"></a>
+<span class="sourceLineNo">226</span>/**<a name="line.226"></a>
+<span class="sourceLineNo">227</span> * Implements the regionserver RPC services.<a name="line.227"></a>
+<span class="sourceLineNo">228</span> */<a name="line.228"></a>
+<span class="sourceLineNo">229</span>@InterfaceAudience.Private<a name="line.229"></a>
+<span class="sourceLineNo">230</span>@SuppressWarnings("deprecation")<a name="line.230"></a>
+<span class="sourceLineNo">231</span>public class RSRpcServices implements HBaseRPCErrorHandler,<a name="line.231"></a>
+<span class="sourceLineNo">232</span> AdminService.BlockingInterface, ClientService.BlockingInterface, PriorityFunction,<a name="line.232"></a>
+<span class="sourceLineNo">233</span> ConfigurationObserver {<a name="line.233"></a>
+<span class="sourceLineNo">234</span> protected static final Log LOG = LogFactory.getLog(RSRpcServices.class);<a name="line.234"></a>
+<span class="sourceLineNo">235</span><a name="line.235"></a>
+<span class="sourceLineNo">236</span> /** RPC scheduler to use for the region server. */<a name="line.236"></a>
+<span class="sourceLineNo">237</span> public static final String REGION_SERVER_RPC_SCHEDULER_FACTORY_CLASS =<a name="line.237"></a>
+<span class="sourceLineNo">238</span> "hbase.region.server.rpc.scheduler.factory.class";<a name="line.238"></a>
+<span class="sourceLineNo">239</span><a name="line.239"></a>
+<span class="sourceLineNo">240</span> /**<a name="line.240"></a>
+<span class="sourceLineNo">241</span> * Minimum allowable time limit delta (in milliseconds) that can be enforced during scans. This<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * configuration exists to prevent the scenario where a time limit is specified to be so<a name="line.242"></a>
+<span class="sourceLineNo">243</span> * restrictive that the time limit is reached immediately (before any cells are scanned).<a name="line.243"></a>
+<span class="sourceLineNo">244</span> */<a name="line.244"></a>
+<span class="sourceLineNo">245</span> private static final String REGION_SERVER_RPC_MINIMUM_SCAN_TIME_LIMIT_DELTA =<a name="line.245"></a>
+<span class="sourceLineNo">246</span> "hbase.region.server.rpc.minimum.scan.time.limit.delta";<a name="line.246"></a>
+<span class="sourceLineNo">247</span> /**<a name="line.247"></a>
+<span class="sourceLineNo">248</span> * Default value of {@link RSRpcServices#REGION_SERVER_RPC_MINIMUM_SCAN_TIME_LIMIT_DELTA}<a name="line.248"></a>
+<span class="sourceLineNo">249</span> */<a name="line.249"></a>
+<span class="sourceLineNo">250</span> private static final long DEFAULT_REGION_SERVER_RPC_MINIMUM_SCAN_TIME_LIMIT_DELTA = 10;<a name="line.250"></a>
+<span class="sourceLineNo">251</span><a name="line.251"></a>
+<span class="sourceLineNo">252</span> // Request counter. (Includes requests that are not serviced by regions.)<a name="line.252"></a>
+<span class="sourceLineNo">253</span> final LongAdder requestCount = new LongAdder();<a name="line.253"></a>
+<span class="sourceLineNo">254</span><a name="line.254"></a>
+<span class="sourceLineNo">255</span> // Request counter for rpc get<a name="line.255"></a>
+<span class="sourceLineNo">256</span> final LongAdder rpcGetRequestCount = new LongAdder();<a name="line.256"></a>
+<span class="sourceLineNo">257</span><a name="line.257"></a>
+<span class="sourceLineNo">258</span> // Request counter for rpc scan<a name="line.258"></a>
+<span class="sourceLineNo">259</span> final LongAdder rpcScanRequestCount = new LongAdder();<a name="line.259"></a>
+<span class="sourceLineNo">260</span><a name="line.260"></a>
+<span class="sourceLineNo">261</span> // Request counter for rpc multi<a name="line.261"></a>
+<span class="sourceLineNo">262</span> final LongAdder rpcMultiRequestCount = new LongAdder();<a name="line.262"></a>
+<span class="sourceLineNo">263</span><a name="line.263"></a>
+<span class="sourceLineNo">264</span> // Request counter for rpc mutate<a name="line.264"></a>
+<span class="sourceLineNo">265</span> final LongAdder rpcMutateRequestCount = new LongAdder();<a name="line.265"></a>
+<span class="sourceLineNo">266</span><a name="line.266"></a>
+<span class="sourceLineNo">267</span> // Server to handle client requests.<a name="line.267"></a>
+<span class="sourceLineNo">268</span> final RpcServerInterface rpcServer;<a name="line.268"></a>
+<span class="sourceLineNo">269</span> final InetSocketAddress isa;<a name="line.269"></a>
+<span class="sourceLineNo">270</span><a name="line.270"></a>
+<span class="sourceLineNo">271</span> private final HRegionServer regionServer;<a name="line.271"></a>
+<span class="sourceLineNo">272</span> private final long maxScannerResultSize;<a name="line.272"></a>
<span class="sourceLineNo">273</span><a name="line.273"></a>
-<span class="sourceLineNo">274</span> /**<a name="line.274"></a>
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-<span class="sourceLineNo">276</span> */<a name="line.276"></a>
-<span class="sourceLineNo">277</span> private final int rpcTimeout;<a name="line.277"></a>
-<span class="sourceLineNo">278</span><a name="line.278"></a>
-<span class="sourceLineNo">279</span> /**<a name="line.279"></a>
-<span class="sourceLineNo">280</span> * The minimum allowable delta to use for the scan limit<a name="line.280"></a>
-<span class="sourceLineNo">281</span> */<a name="line.281"></a>
-<span class="sourceLineNo">282</span> private final long minimumScanTimeLimitDelta;<a name="line.282"></a>
-<span class="sourceLineNo">283</span><a name="line.283"></a>
-<span class="sourceLineNo">284</span> final AtomicBoolean clearCompactionQueues = new AtomicBoolean(false);<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> * An Rpc callback for closing a RegionScanner.<a name="line.287"></a>
-<span class="sourceLineNo">288</span> */<a name="line.288"></a>
-<span class="sourceLineNo">289</span> private static final class RegionScannerCloseCallBack implements RpcCallback {<a name="line.289"></a>
-<span class="sourceLineNo">290</span><a name="line.290"></a>
-<span class="sourceLineNo">291</span> private final RegionScanner scanner;<a name="line.291"></a>
+<span class="sourceLineNo">274</span> // The reference to the priority extraction function<a name="line.274"></a>
+<span class="sourceLineNo">275</span> private final PriorityFunction priority;<a name="line.275"></a>
+<span class="sourceLineNo">276</span><a name="line.276"></a>
+<span class="sourceLineNo">277</span> private final AtomicLong scannerIdGen = new AtomicLong(0L);<a name="line.277"></a>
+<span class="sourceLineNo">278</span> private final ConcurrentMap<String, RegionScannerHolder> scanners = new ConcurrentHashMap<>();<a name="line.278"></a>
+<span class="sourceLineNo">279</span> // Hold the name of a closed scanner for a while. This is used to keep compatible for old clients<a name="line.279"></a>
+<span class="sourceLineNo">280</span> // which may send next or close request to a region scanner which has already been exhausted. The<a name="line.280"></a>
+<span class="sourceLineNo">281</span> // entries will be removed automatically after scannerLeaseTimeoutPeriod.<a name="line.281"></a>
+<span class="sourceLineNo">282</span> private final Cache<String, String> closedScanners;<a name="line.282"></a>
+<span class="sourceLineNo">283</span> /**<a name="line.283"></a>
+<span class="sourceLineNo">284</span> * The lease timeout period for client scanners (milliseconds).<a name="line.284"></a>
+<span class="sourceLineNo">285</span> */<a name="line.285"></a>
+<span class="sourceLineNo">286</span> private final int scannerLeaseTimeoutPeriod;<a name="line.286"></a>
+<span class="sourceLineNo">287</span><a name="line.287"></a>
+<span class="sourceLineNo">288</span> /**<a name="line.288"></a>
+<span class="sourceLineNo">289</span> * The RPC timeout period (milliseconds)<a name="line.289"></a>
+<span class="sourceLineNo">290</span> */<a name="line.290"></a>
+<span class="sourceLineNo">291</span> private final int rpcTimeout;<a name="line.291"></a>
<span class="sourceLineNo">292</span><a name="line.292"></a>
-<span class="sourceLineNo">293</span> public RegionScannerCloseCallBack(RegionScanner scanner) {<a name="line.293"></a>
-<span class="sourceLineNo">294</span> this.scanner = scanner;<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> @Override<a name="line.297"></a>
-<span class="sourceLineNo">298</span> public void run() throws IOException {<a name="line.298"></a>
-<span class="sourceLineNo">299</span> this.scanner.close();<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><a name="line.302"></a>
-<span class="sourceLineNo">303</span> /**<a name="line.303"></a>
-<span class="sourceLineNo">304</span> * An Rpc callback for doing shipped() call on a RegionScanner.<a name="line.304"></a>
-<span class="sourceLineNo">305</span> */<a name="line.305"></a>
-<span class="sourceLineNo">306</span> private class RegionScannerShippedCallBack implements RpcCallback {<a name="line.306"></a>
-<span class="sourceLineNo">307</span><a name="line.307"></a>
-<span class="sourceLineNo">308</span> private final String scannerName;<a name="line.308"></a>
-<span class="sourceLineNo">309</span> private final RegionScanner scanner;<a name="line.309"></a>
-<span class="sourceLineNo">310</span> private final Lease lease;<a name="line.310"></a>
-<span class="sourceLineNo">311</span><a name="line.311"></a>
-<span class="sourceLineNo">312</span> public RegionScannerShippedCallBack(String scannerName, RegionScanner scanner, Lease lease) {<a name="line.312"></a>
-<span class="sourceLineNo">313</span> this.scannerName = scannerName;<a name="line.313"></a>
-<span class="sourceLineNo">314</span> this.scanner = scanner;<a name="line.314"></a>
-<span class="sourceLineNo">315</span> this.lease = lease;<a name="line.315"></a>
-<span class="sourceLineNo">316</span> }<a name="line.316"></a>
-<span class="sourceLineNo">317</span><a name="line.317"></a>
-<span class="sourceLineNo">318</span> @Override<a name="line.318"></a>
-<span class="sourceLineNo">319</span> public void run() throws IOException {<a name="line.319"></a>
-<span class="sourceLineNo">320</span> this.scanner.shipped();<a name="line.320"></a>
-<span class="sourceLineNo">321</span> // We're done. On way out re-add the above removed lease. The lease was temp removed for this<a name="line.321"></a>
-<span class="sourceLineNo">322</span> // Rpc call and we are at end of the call now. Time to add it back.<a name="line.322"></a>
-<span class="sourceLineNo">323</span> if (scanners.containsKey(scannerName)) {<a name="line.323"></a>
-<span class="sourceLineNo">324</span> if (lease != null) regionServer.leases.addLease(lease);<a name="line.324"></a>
-<span class="sourceLineNo">325</span> }<a name="line.325"></a>
-<span class="sourceLineNo">326</span> }<a name="line.326"></a>
-<span class="sourceLineNo">327</span> }<a name="line.327"></a>
-<span class="sourceLineNo">328</span><a name="line.328"></a>
-<span class="sourceLineNo">329</span> /**<a name="line.329"></a>
-<span class="sourceLineNo">330</span> * An RpcCallBack that creates a list of scanners that needs to perform callBack operation on<a name="line.330"></a>
-<span class="sourceLineNo">331</span> * completion of multiGets.<a name="line.331"></a>
-<span class="sourceLineNo">332</span> */<a name="line.332"></a>
-<span class="sourceLineNo">333</span> static class RegionScannersCloseCallBack implements RpcCallback {<a name="line.333"></a>
-<span class="sourceLineNo">334</span> private final List<RegionScanner> scanners = new ArrayList<>();<a name="line.334"></a>
-<span class="sourceLineNo">335</span><a name="line.335"></a>
-<span class="sourceLineNo">336</span> public void addScanner(RegionScanner scanner) {<a name="line.336"></a>
-<span class="sourceLineNo">337</span> this.scanners.add(scanner);<a name="line.337"></a>
-<span class="sourceLineNo">338</span> }<a name="line.338"></a>
-<span class="sourceLineNo">339</span><a name="line.339"></a>
-<span class="sourceLineNo">340</span> @Override<a name="line.340"></a>
-<span class="sourceLineNo">341</span> public void run() {<a name="line.341"></a>
-<span class="sourceLineNo">342</span> for (RegionScanner scanner : scanners) {<a name="line.342"></a>
-<span class="sourceLineNo">343</span> try {<a name="line.343"></a>
-<span class="sourceLineNo">344</span> scanner.close();<a name="line.344"></a>
-<span class="sourceLineNo">345</span> } catch (IOException e) {<a name="line.345"></a>
-<span class="sourceLineNo">346</span> LOG.error("Exception while closing the scanner " + scanner, e);<a name="line.346"></a>
-<span class="sourceLineNo">347</span> }<a name="line.347"></a>
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