Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id F217C200BF0 for ; Thu, 15 Dec 2016 18:36:01 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id F0A5D160B13; Thu, 15 Dec 2016 17:36:01 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 208DE160B30 for ; Thu, 15 Dec 2016 18:36:00 +0100 (CET) Received: (qmail 99973 invoked by uid 500); 15 Dec 2016 17:36:00 -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 99869 invoked by uid 99); 15 Dec 2016 17:36:00 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 15 Dec 2016 17:36:00 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 1A2272C03EA for ; Thu, 15 Dec 2016 17:36:00 +0000 (UTC) Date: Thu, 15 Dec 2016 17:36:00 +0000 (UTC) From: "Hadoop QA (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-17282) Reduce the redundant requests to meta table MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 15 Dec 2016 17:36:02 -0000 [ https://issues.apache.org/jira/browse/HBASE-17282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15751970#comment-15751970 ] Hadoop QA commented on HBASE-17282: ----------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 15s {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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color} | {color:green} The patch appears to include 2 new or modified test files. {color} | | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s {color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 30s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 6s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 50s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 29s {color} | {color:green} master passed {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 59s {color} | {color:red} hbase-client in master has 1 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 53s {color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s {color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 16s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 6s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 6s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 49s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 28s {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} 31m 50s {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-alpha1. {color} | | {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 1m 10s {color} | {color:red} hbase-client generated 2 new + 1 unchanged - 0 fixed = 3 total (was 1) {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 52s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 9s {color} | {color:green} hbase-client in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 94m 26s {color} | {color:green} hbase-server in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 26s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 146m 45s {color} | {color:black} {color} | \\ \\ || Reason || Tests || | FindBugs | module:hbase-client | | | Dead store to future in org.apache.hadoop.hbase.client.AsyncNonMetaRegionLocator.getRegionLocation(TableName, byte[], boolean) At AsyncNonMetaRegionLocator.java:org.apache.hadoop.hbase.client.AsyncNonMetaRegionLocator.getRegionLocation(TableName, byte[], boolean) At AsyncNonMetaRegionLocator.java:[line 427] | | | Private method org.apache.hadoop.hbase.client.AsyncNonMetaRegionLocator.addToCache(HRegionLocation) is never called At AsyncNonMetaRegionLocator.java:called At AsyncNonMetaRegionLocator.java:[lines 181-185] | \\ \\ || 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/12843424/HBASE-17282.patch | | JIRA Issue | HBASE-17282 | | Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck hbaseanti checkstyle compile | | uname | Linux 46114c669ac3 3.13.0-93-generic #140-Ubuntu SMP Mon Jul 18 21:21:05 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh | | git revision | master / 401e83c | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/4932/artifact/patchprocess/branch-findbugs-hbase-client-warnings.html | | findbugs | https://builds.apache.org/job/PreCommit-HBASE-Build/4932/artifact/patchprocess/new-findbugs-hbase-client.html | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/4932/testReport/ | | modules | C: hbase-client hbase-server U: . | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/4932/console | | Powered by | Apache Yetus 0.3.0 http://yetus.apache.org | This message was automatically generated. > Reduce the redundant requests to meta table > ------------------------------------------- > > Key: HBASE-17282 > URL: https://issues.apache.org/jira/browse/HBASE-17282 > Project: HBase > Issue Type: Sub-task > Components: Client > Affects Versions: 2.0.0 > Reporter: Duo Zhang > Assignee: Duo Zhang > Fix For: 2.0.0 > > Attachments: HBASE-17282.patch > > > This usually happens at startup when the meta cache is empty. There will be a lot of locating requests, but most of will have same results. Things become worse if we do batch operations with AsyncTable as we will send a locating request for each operation concurrently. > We need to reduce the redundant requests to meta table. -- This message was sent by Atlassian JIRA (v6.3.4#6332)