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https://issues.apache.org/jira/browse/HBASE-5262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13191933#comment-13191933
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stack commented on HBASE-5262:
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@Mikhail Sounds good. We'd write to hbase because we can't have many writers
write same file in hdfs? This system table would be a new one, not .META.?
We'd fill it to the end of time or the TTL on the table would get rid of old
records (that'd work).
> Structured event log for HBase for monitoring and auto-tuning performance
> -------------------------------------------------------------------------
>
> Key: HBASE-5262
> URL: https://issues.apache.org/jira/browse/HBASE-5262
> Project: HBase
> Issue Type: Improvement
> Reporter: Mikhail Bautin
>
> Creating this JIRA to open a discussion about a structured (machine-readable)
> log that will record events such as compaction start/end times, compaction
> input/output files, their sizes, the same for flushes, etc. This can be
> stored e.g. in a new system table in HBase itself. The data from this log can
> then be analyzed and used to optimize compactions at run time, or otherwise
> auto-tune HBase configuration to reduce the number of knobs the user has to
> configure.
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