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Hadoop QA commented on HBASE-17676: ----------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 13s {color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s {color} | {color:green} Patch does not have any anti-patterns. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green} The patch does not contain any @author tags. {color} | | {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s {color} | {color:red} The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 47s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 34s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 40s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 14s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 34s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 25s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 38s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 33s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 33s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 42s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 14s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 24m 44s {color} | {color:green} Patch does not cause any errors with Hadoop 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha2. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 42s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 24s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 89m 28s {color} | {color:green} hbase-server in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 17s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 125m 30s {color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=1.12.3 Server=1.12.3 Image:yetus/hbase:8d52d23 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12853877/HBASE-17676.patch | | JIRA Issue | HBASE-17676 | | Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck hbaseanti checkstyle compile | | uname | Linux f0179d9ba0a3 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh | | git revision | master / c579cf6 | | Default Java | 1.8.0_121 | | findbugs | v3.0.0 | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/5792/testReport/ | | modules | C: hbase-server U: hbase-server | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/5792/console | | Powered by | Apache Yetus 0.3.0 http://yetus.apache.org | This message was automatically generated. > Get class name once for all in AbstractFSWAL > -------------------------------------------- > > Key: HBASE-17676 > URL: https://issues.apache.org/jira/browse/HBASE-17676 > Project: HBase > Issue Type: Bug > Components: Performance > Affects Versions: 2.0 > Reporter: Yu Li > Assignee: Yu Li > Attachments: HBASE-17676.patch, HBASE-17676.v2.patch, > HBASE-17676.v3.patch > > > While verifying HBASE-17471 with high write workload, observed several > handler thread at getting class name in jstack, as shown below: > {noformat} > "B.defaultRpcServer.handler=60,queue=3,port=16020" daemon prio=10 > tid=0x00007f0673835800 nid=0x4dec runnable [0x00007f06721b5000] > java.lang.Thread.State: RUNNABLE > at java.lang.Class.getEnclosingMethod0(Native Method) > at java.lang.Class.getEnclosingMethodInfo(Class.java:964) > at java.lang.Class.getEnclosingClass(Class.java:1137) > at java.lang.Class.getSimpleBinaryName(Class.java:1282) > at java.lang.Class.getSimpleName(Class.java:1174) > at > org.apache.hadoop.hbase.regionserver.wal.FSHLog.stampSequenceIdAndPublishToRingBuffer(FSHLog.java:1251) > at > org.apache.hadoop.hbase.regionserver.wal.FSHLog.append(FSHLog.java:1238) > at > org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:3173) > at > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2874) > at > org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2814) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:823) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:785) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2259) > at > org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32213) > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:848) > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:102) > at > org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133) > at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108) > at java.lang.Thread.run(Thread.java:756) > {noformat} > We could get the class name in constructor and use it for all places needed. -- This message was sent by Atlassian JIRA (v6.3.15#6346)