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https://issues.apache.org/jira/browse/HBASE-5792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13254827#comment-13254827
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stack commented on HBASE-5792:
------------------------------
This is great Matteo. We need this. Yeah, agree, this tool will have most
value if it puts nothing but a lone region (and WAL).
Few minors below:
Missing annotatations on audience.
Do you need these? IIRC, the default exists w/ need of definition:
{code}
+ public HLogPerformanceEvaluation() {
+ }
{code}
You do it in another place at least too.
No harm adding a bit of class doc on HLogPutBenchmark
You don't want to use a command parser?
> HLog Performance Evaluation Tool
> --------------------------------
>
> Key: HBASE-5792
> URL: https://issues.apache.org/jira/browse/HBASE-5792
> Project: HBase
> Issue Type: Test
> Components: wal
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Priority: Minor
> Labels: performance, wal
> Attachments: HBASE-5792-v0.patch, HBASE-5792-v1.patch
>
>
> Related to HDFS-3280 and the HBase WAL slowdown on 0.23+
> It would be nice to have a simple tool like HFilePerformanceEvaluation, ...
> to be able to check easily the HLog performance.
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