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Posted to issues@hbase.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2016/03/04 08:01:40 UTC
[jira] [Commented] (HBASE-15391) Avoid too large "deleted from
META" info log
[ https://issues.apache.org/jira/browse/HBASE-15391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15179473#comment-15179473 ]
Hadoop QA commented on HBASE-15391:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} patch {color} | {color:blue} 0m 2s {color} | {color:blue} The patch file was not named according to hbase's naming conventions. Please see https://yetus.apache.org/documentation/latest/precommit-patchnames for instructions. {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} 4m 18s {color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 44s {color} | {color:green} master passed with JDK v1.8.0 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 26s {color} | {color:green} master passed with JDK v1.7.0_79 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m 43s {color} | {color:green} master passed {color} |
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| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 29s {color} | {color:green} the patch passed {color} |
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| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 47s {color} | {color:green} the patch passed {color} |
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| {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} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 39m 31s {color} | {color:green} Patch does not cause any errors with Hadoop 2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.1 2.6.2 2.6.3 2.7.1. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 49s {color} | {color:green} the patch passed {color} |
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| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 8s {color} | {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 62m 6s {color} | {color:black} {color} |
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12791411/HBASE-15391-trunk-v1.diff |
| JIRA Issue | HBASE-15391 |
| Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck hbaseanti checkstyle compile |
| uname | Linux asf900.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 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 / 7dabcf2 |
| findbugs | v3.0.0 |
| JDK v1.7.0_79 Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/831/testReport/ |
| modules | C: hbase-client U: hbase-client |
| Max memory used | 207MB |
| Powered by | Apache Yetus 0.1.0 http://yetus.apache.org |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/831/console |
This message was automatically generated.
> Avoid too large "deleted from META" info log
> --------------------------------------------
>
> Key: HBASE-15391
> URL: https://issues.apache.org/jira/browse/HBASE-15391
> Project: HBase
> Issue Type: Improvement
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-15391-trunk-v1.diff
>
>
> When deleting a large table in HBase, there will be a large info log in HMaster.
> {code}
> 2016-02-29,05:58:45,920 INFO org.apache.hadoop.hbase.catalog.MetaEditor: Deleted [{ENCODED => 4b54572150941cd03f5addfdeab0a754, NAME => 'YCSBTest,,1453186492932.4b54572150941cd03f5addfdeab0a754.', STARTKEY => '', ENDKEY => 'user01'}, {ENCODED => 715e142bcd6a31d7842abf286ef8a5fe, NAME => 'YCSBTest,user01,1453186492933.715e142bcd6a31d7842abf286ef8a5fe.', STARTKEY => 'user01', ENDKEY => 'user02'}, {ENCODED => 5f9cef5714973f13baa63fba29a68d70, NAME => 'YCSBTest,user02,1453186492933.5f9cef5714973f13baa63fba29a68d70.', STARTKEY => 'user02', ENDKEY => 'user03'}, {ENCODED => 86cf3fa4c0a6b911275512c1d4b78533, NAME => 'YCSBTest,user0...
> {code}
> The reason is that MetaTableAccessor will log all regions when deleting them from meta. See, MetaTableAccessor.java#deleteRegions
> {code}
> public static void deleteRegions(Connection connection,
> List<HRegionInfo> regionsInfo, long ts) throws IOException {
> List<Delete> deletes = new ArrayList<Delete>(regionsInfo.size());
> for (HRegionInfo hri: regionsInfo) {
> Delete e = new Delete(hri.getRegionName());
> e.addFamily(getCatalogFamily(), ts);
> deletes.add(e);
> }
> deleteFromMetaTable(connection, deletes);
> LOG.info("Deleted " + regionsInfo);
> }
> {code}
> Just change the info log to debug and add a info log about the number of deleted regions. Others suggestions are welcomed~
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