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https://issues.apache.org/jira/browse/HADOOP-13453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15878896#comment-15878896
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Hadoop QA commented on HADOOP-13453:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 7s{color}
| {color:red} HADOOP-13453 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-13453 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12853617/HADOOP-13453.wip-01.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/11689/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> S3Guard: Instrument new functionality with Hadoop metrics.
> ----------------------------------------------------------
>
> Key: HADOOP-13453
> URL: https://issues.apache.org/jira/browse/HADOOP-13453
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Reporter: Chris Nauroth
> Assignee: Ai Deng
> Attachments: HADOOP-13453.wip-01.patch
>
>
> Provide Hadoop metrics showing operational details of the S3Guard
> implementation.
> The metrics will be implemented in this ticket:
> ● S3GuardRechecksNthPercentileLatency (MutableQuantiles) Percentile time
> spent
> in rechecks attempting to achieve consistency. Repeated for multiple
> percentile values
> of N. This metric is an indicator of the additional latency cost of running
> S3A with
> S3Guard.
> ● S3GuardRechecksNumOps (MutableQuantiles) Number of times a consistency
> recheck was required while attempting to achieve consistency.
> ● S3GuardStoreNthPercentileLatency (MutableQuantiles) Percentile time
> spent in
> operations against the consistent store, including both write operations
> during file system
> mutations and read operations during file system consistency checks. Repeated
> for
> multiple percentile values of N. This metric is an indicator of latency to
> the consistent
> store implementation.
> ● S3GuardConsistencyStoreNumOps (MutableQuantiles) Number of operations
> against the consistent store, including both write operations during file
> system mutations
> and read operations during file system consistency checks.
> ● S3GuardConsistencyStoreFailures (MutableCounterLong) Number of failures
> during operations against the consistent store implementation.
> ● S3GuardConsistencyStoreTimeouts (MutableCounterLong) Number of timeouts
> during operations against the consistent store implementation.
> ● S3GuardInconsistencies (MutableCounterLong) C ount of times S3Guard
> failed to
> achieve consistency, even after exhausting all rechecks. A high count may
> indicate
> unexpected outofband modification of the S3 bucket contents, such as by an
> external
> tool that does not make corresponding updates to the consistent store.
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