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https://issues.apache.org/jira/browse/PHOENIX-2715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16490153#comment-16490153
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Lars Hofhansl edited comment on PHOENIX-2715 at 5/25/18 2:57 AM:
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The default is supposed to the OFF, right?
I just tried with a vanilla build from Phoenix' master branch and I see
SYSTEM.LOG is being written to.
Looking at the code I see the default *is* OFF, so something is not working
right, unless I misunderstood something.
Everything but OFF is a bad default, IMHO.
[~an...@apache.org]
was (Author: lhofhansl):
The default is supposed to the OFF, right?
I just true with a vanilla build from Phoenix' master branch and I see
SYSTEM.LOG is being written to.
Looking at the code I see the default *is* OFF, so something is not working
right, unless I misunderstood something.
Everything but OFF is a bad default, IMHO.
[~an...@apache.org]
> Query Log
> ---------
>
> Key: PHOENIX-2715
> URL: https://issues.apache.org/jira/browse/PHOENIX-2715
> Project: Phoenix
> Issue Type: New Feature
> Reporter: Nick Dimiduk
> Assignee: Ankit Singhal
> Priority: Major
> Fix For: 4.14.0, 5.0.0
>
> Attachments: PHOENIX-2715.patch, PHOENIX-2715_master.patch,
> PHOENIX-2715_master_V1.patch, PHOENIX-2715_master_V2.patch
>
>
> One useful feature of other database systems is the query log. It allows the
> DBA to review the queries run, who's run them, time taken, &c. This serves
> both as an audit and also as a source of "ground truth" for performance
> optimization. For instance, which columns should be indexed. It may also
> serve as the foundation for automated performance recommendations/actions.
> What queries are being run is the first piece. Have this data tied into
> tracing results and perhaps client-side metrics (PHOENIX-1819) becomes very
> useful.
> This might take the form of clients writing data to a new system table, but
> other implementation suggestions are welcome.
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