[ https://issues.apache.org/jira/browse/HBASE-17282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15757201#comment-15757201 ]
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 8s {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 7 new or modified test files. {color} | | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 11s {color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 9s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 57s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 49s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 23s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 49s {color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 51s {color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 13s {color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 9s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 4s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 4s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 50s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 26s {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} 27m 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-alpha1. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 48s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 46s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 7s {color} | {color:green} hbase-client in the patch passed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 98m 5s {color} | {color:red} hbase-server in the patch failed. {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} 144m 30s {color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:8d52d23 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12843714/HBASE-17282-v2.patch | | JIRA Issue | HBASE-17282 | | Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck hbaseanti checkstyle compile | | uname | Linux 014f95eeff35 3.13.0-105-generic #152-Ubuntu SMP Fri Dec 2 15:37:11 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 / da35606 | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | unit | https://builds.apache.org/job/PreCommit-HBASE-Build/4964/artifact/patchprocess/patch-unit-hbase-server.txt | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/4964/testReport/ | | modules | C: hbase-client hbase-server U: . | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/4964/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-v1.patch, HBASE-17282-v2.patch, > 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)