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https://issues.apache.org/jira/browse/HBASE-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246887#comment-13246887
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[email protected] commented on HBASE-4348:
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bq. On 2012-04-04 01:55:42, Himanshu Vashishtha wrote:
bq. > src/main/java/org/apache/hadoop/hbase/HConstants.java, line 655
bq. > <https://reviews.apache.org/r/4402/diff/6/?file=97548#file97548line655>
bq. >
bq. > Jon: This is not a refresh metrics per se. Its for defining what a
user considers to be a _longer_ period for a Region to be in a transition
state, and show these regions count as a metric.
bq. > So, it can be hbase.metrics.rit.stuck.warning.threshold?
bq. > Long name, though. Please let me know amd I will change accordingly
and revise the patch.
got it.
- jmhsieh
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This is an automatically generated e-mail. To reply, visit:
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On 2012-04-04 21:47:04, Himanshu Vashishtha wrote:
bq.
bq. -----------------------------------------------------------
bq. This is an automatically generated e-mail. To reply, visit:
bq. https://reviews.apache.org/r/4402/
bq. -----------------------------------------------------------
bq.
bq. (Updated 2012-04-04 21:47:04)
bq.
bq.
bq. Review request for hbase.
bq.
bq.
bq. Summary
bq. -------
bq.
bq. This patch is for adding Region in transition metrics to the HMaster
metrics system. It also adds these metrics in the master ui, in the Region in
transition section. I have attached the proposed new format in the jira 4348.
bq.
bq.
bq. This addresses bug HBase-4348.
bq. https://issues.apache.org/jira/browse/HBase-4348
bq.
bq.
bq. Diffs
bq. -----
bq.
bq.
src/main/jamon/org/apache/hadoop/hbase/tmpl/master/AssignmentManagerStatusTmpl.jamon
0dc0691
bq. src/main/java/org/apache/hadoop/hbase/HConstants.java 21ac4ba
bq. src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
64def15
bq. src/main/java/org/apache/hadoop/hbase/master/HMaster.java 9bd4ace
bq. src/main/java/org/apache/hadoop/hbase/master/metrics/MasterMetrics.java
83abc52
bq. src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
91dce36
bq.
bq. Diff: https://reviews.apache.org/r/4402/diff
bq.
bq.
bq. Testing
bq. -------
bq.
bq. Ran on a 5 node cluster and kill region servers randomly to observe the
changes in the RIT metrics as emitted out by the Master's mxbean;
bq.
bq. mvn test passes without any failure.
bq.
bq.
bq. Thanks,
bq.
bq. Himanshu
bq.
bq.
> Add metrics for regions in transition
> -------------------------------------
>
> Key: HBASE-4348
> URL: https://issues.apache.org/jira/browse/HBASE-4348
> Project: HBase
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 0.92.0
> Reporter: Todd Lipcon
> Assignee: Himanshu Vashishtha
> Priority: Minor
> Labels: noob
> Fix For: 0.96.0
>
> Attachments: 4348-metrics-v3.patch, 4348-v1.patch, 4348-v2.patch,
> RITs.png, RegionInTransitions2.png, metrics-v2.patch
>
>
> The following metrics would be useful for monitoring the master:
> - the number of regions in transition
> - the number of regions in transition that have been in transition for more
> than a minute
> - how many seconds has the oldest region-in-transition been in transition
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