Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 5BEA610A79 for ; Sat, 24 Oct 2015 22:11:28 +0000 (UTC) Received: (qmail 53000 invoked by uid 500); 24 Oct 2015 22:11:28 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 52776 invoked by uid 500); 24 Oct 2015 22:11:28 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 52719 invoked by uid 99); 24 Oct 2015 22:11:27 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 24 Oct 2015 22:11:27 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id BF1C82C1F6A for ; Sat, 24 Oct 2015 22:11:27 +0000 (UTC) Date: Sat, 24 Oct 2015 22:11:27 +0000 (UTC) From: "Hudson (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-14266) RegionServers have a lock contention of Configuration.getProps MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HBASE-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14972893#comment-14972893 ] Hudson commented on HBASE-14266: -------------------------------- FAILURE: Integrated in HBase-TRUNK #6954 (See [https://builds.apache.org/job/HBase-TRUNK/6954/]) HBASE-14266 RegionServers have a lock contention of (stack: rev 996866d3ae66b28aa6d25b69db7646f9847e9b21) * hbase-common/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java * hbase-server/src/main/java/org/apache/hadoop/hbase/mob/compactions/PartitionedMobCompactor.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ScanInfo.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMobStoreCompaction.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestMajorCompaction.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompaction.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestReversibleScanners.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreScanner.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultCompactSelection.java * hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestCoprocessorScanPolicy.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/NoOpScanPolicyObserver.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestQueryMatcher.java * hbase-server/src/test/java/org/apache/hadoop/hbase/mob/compactions/TestPartitionedMobCompactor.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStripeCompactor.java * hbase-examples/src/main/java/org/apache/hadoop/hbase/coprocessor/example/ZooKeeperScanPolicyObserver.java * hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreScanner.java * hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HStore.java > RegionServers have a lock contention of Configuration.getProps > -------------------------------------------------------------- > > Key: HBASE-14266 > URL: https://issues.apache.org/jira/browse/HBASE-14266 > Project: HBase > Issue Type: Improvement > Components: regionserver > Environment: hbase-0.98.6-cdh5.3.1 > Reporter: Toshihiro Suzuki > Assignee: Andrew Purtell > Priority: Critical > Attachments: 14266v2.patch, 14266v3.patch, 14266v3.txt, HBASE-14266.patch, Screen Shot 2015-10-23 at 5.11.46 PM.png, Screen Shot 2015-10-23 at 5.24.03 PM.png, thread_dump.txt > > > Here's an extract from thread dump of the RegionServer of my cluster: > {code} > ... > Thread 267 (RW.default.readRpcServer.handler=184,queue=15,port=60020): > State: BLOCKED > Blocked count: 204028 > Waited count: 9702639 > Blocked on org.apache.hadoop.conf.Configuration@5a5e3da > Blocked by 250 (RW.default.readRpcServer.handler=167,queue=18,port=60020) > Stack: > org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2250) > org.apache.hadoop.conf.Configuration.get(Configuration.java:861) > org.apache.hadoop.conf.Configuration.getTrimmed(Configuration.java:880) > org.apache.hadoop.conf.Configuration.getBoolean(Configuration.java:1281) > org.apache.hadoop.hbase.regionserver.StoreScanner.(StoreScanner.java:138) > org.apache.hadoop.hbase.regionserver.StoreScanner.(StoreScanner.java:157) > org.apache.hadoop.hbase.regionserver.HStore.createScanner(HStore.java:1804) > org.apache.hadoop.hbase.regionserver.HStore.getScanner(HStore.java:1794) > org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.(HRegion.java:3852) > org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:1952) > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1938) > org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1915) > org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:4872) > org.apache.hadoop.hbase.regionserver.HRegion.get(HRegion.java:4847) > org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:2918) > org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:29921) > org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2031) > org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:108) > org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:116) > org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:96) > ... > {code} > There are such many threads in the thread dump. > I think that RegionServers have a lock contention which causes performance issue. -- This message was sent by Atlassian JIRA (v6.3.4#6332)