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https://issues.apache.org/jira/browse/HBASE-5716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247831#comment-13247831
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Jean-Daniel Cryans commented on HBASE-5716:
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I'm asking the same question, I don't know.
> Make HBASE-4608 easier to use
> -----------------------------
>
> Key: HBASE-5716
> URL: https://issues.apache.org/jira/browse/HBASE-5716
> Project: HBase
> Issue Type: Improvement
> Reporter: Jean-Daniel Cryans
> Assignee: Li Pi
> Fix For: 0.96.0, 0.94.1
>
>
> HBASE-4608 is a nice feature but after playing with it for a while I think
> the following should be fixed to make it easier to use by someone who's not a
> dev:
> - Add some signal that says that the feature is turned on. Right now you can
> {{jstack | grep KeyValueCompression}} a couple of times and if you get a hit
> you definitely know it's on, but otherwise the random user wouldn't know
> without going through the jira.
> - Add documentation in the reference guide. At the minimum add
> {{hbase.regionserver.wal.enablecompression}} in there with a small
> description. Better would be to add a section in {{Appendix B}} or something
> like that and describe the functionality a bit and who it's useful for. For
> example, flush from your brain the knowledge of the patch and read the name
> of the configuration... now let's say you have a use case that involves
> writing easily compressible values. Any normal user would believe that this
> is a good tuning parameter for them, but it's just going to waste CPU cycles.
> - Add some metrics like we have for HFiles where you get a clue about the
> compression ratio.
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