[jira] [Commented] (HBASE-20394) HBase over rides the value of HBASE_OPTS (if any) set by client

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-20394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16435045#comment-16435045 ] 

Hadoop QA commented on HBASE-20394:
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 14s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} shelldocs {color} | {color:blue}  0m  3s{color} | {color:blue} Shelldocs was not available. {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:brown} master Compile Tests {color} ||
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} shellcheck {color} | {color:green}  0m  0s{color} | {color:green} There were no new shellcheck issues. {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color} | {color:green} The patch has no whitespace issues. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 10s{color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}  0m 35s{color} | {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:d8b550f |
| JIRA Issue | HBASE-20394 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12918687/HBASE-20394.master.001.patch |
| Optional Tests |  asflicense  shellcheck  shelldocs  |
| uname | Linux ce0da2d2181d 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016 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 / 5a69465ea0 |
| maven | version: Apache Maven 3.5.3 (3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T19:49:05Z) |
| shellcheck | v0.4.4 |
| Max. process+thread count | 47 (vs. ulimit of 10000) |
| modules | C: . U: . |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/12408/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> HBase over rides the value of HBASE_OPTS (if any) set by client
> ---------------------------------------------------------------
>
>                 Key: HBASE-20394
>                 URL: https://issues.apache.org/jira/browse/HBASE-20394
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Nihal Jain
>            Assignee: Nihal Jain
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: HBASE-20394.master.001.patch
>
>
> Currently HBase will over ride the value of HBASE_OPTS (if any) set by user
> {code:java}
> export HBASE_OPTS="-XX:+UseConcMarkSweepGC" {code}
> [See hbase-env.sh|https://github.com/apache/hbase/blob/68726b0ee3ef3eb52d32481444e64236c5a9e733/conf/hbase-env.sh#L43]
>  
> But, a user may have the following set in his environment:
> {code:java}
> HBASE_OPTS="-Xmn512m"{code}
> While starting the processes, HBase will internally over-ride the existing HBASE_OPTS value with the one set in hbase-env.sh
>  
> Instead of over-riding we can have the following in hbase-env.sh:
> {code:java}
> export HBASE_OPTS="$HBASE_OPTS -XX:+UseConcMarkSweepGC"{code}
>  



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