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Posted to issues@ratis.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2019/04/16 16:30:00 UTC
[jira] [Commented] (RATIS-529) Leader should limit pending requests
to avoid OOM
[ https://issues.apache.org/jira/browse/RATIS-529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16819234#comment-16819234 ]
Hadoop QA commented on RATIS-529:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 11s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 0s{color} | {color:blue} Findbugs executables are 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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s{color} | {color:green} The patch appears to include 1 new or modified test files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 5m 8s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 49s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 48s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 27s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 46s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 5s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 10s{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} javadoc {color} | {color:green} 0m 33s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 14m 11s{color} | {color:green} root in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 30s{color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 28m 33s{color} | {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/ratis:date2019-04-16 |
| JIRA Issue | RATIS-529 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12966107/r529_20190416.patch |
| Optional Tests | dupname asflicense javac javadoc unit findbugs checkstyle compile |
| uname | Linux f051fdffdde3 4.4.0-139-generic #165~14.04.1-Ubuntu SMP Wed Oct 31 10:55:11 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-RATIS-Build/yetus-personality.sh |
| git revision | master / b51ec88 |
| maven | version: Apache Maven 3.6.0 (97c98ec64a1fdfee7767ce5ffb20918da4f719f3; 2018-10-24T18:41:47Z) |
| Default Java | 1.8.0_191 |
| Test Results | https://builds.apache.org/job/PreCommit-RATIS-Build/737/testReport/ |
| Max. process+thread count | 2420 (vs. ulimit of 5000) |
| modules | C: ratis-common ratis-server U: . |
| Console output | https://builds.apache.org/job/PreCommit-RATIS-Build/737/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Leader should limit pending requests to avoid OOM
> -------------------------------------------------
>
> Key: RATIS-529
> URL: https://issues.apache.org/jira/browse/RATIS-529
> Project: Ratis
> Issue Type: Improvement
> Components: server
> Affects Versions: 0.3.0
> Reporter: Nilotpal Nandi
> Assignee: Tsz Wo Nicholas Sze
> Priority: Major
> Attachments: r529_20190416.patch
>
>
> A leader with slow followers can cause the leader to keep accumulating lots of pending requests in its queue. The jira proposes to rate limit incoming requests based on the maximum number of pending requests in the queue.
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