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https://issues.apache.org/jira/browse/PHOENIX-3767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16081495#comment-16081495
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Karan Mehta commented on PHOENIX-3767:
--------------------------------------
[~samarthjain]
PHOENIX-3752 didn't have a patch for 4.x-HBase-0.98 branch because of the
Apache HTrace versions difference. So we will not have another patch for
4.x-HBase-0.98 branch on this one. Closing this one. Patch has been committed
to other branches.
> Prevent spurious tracing spans from Hadoop being written in Phoenix Trace
> tables
> --------------------------------------------------------------------------------
>
> Key: PHOENIX-3767
> URL: https://issues.apache.org/jira/browse/PHOENIX-3767
> Project: Phoenix
> Issue Type: Bug
> Reporter: Karan Mehta
> Assignee: Karan Mehta
> Attachments: PHOENIX-3767.001.patch, PHOENIX-3767.002.patch,
> PHOENIX-3767.003.patch
>
>
> PHOENIX-3752 is the JIRA to remove Hadoop Metrics-2 system from the Phoenix
> Framework, whose task is to deliver the received HTrace spans to the phoenix
> table. When replacing this system with a simple one as discussed on this
> JIRA, one of the current test {{testClientServerIndexingTracing()}} triggers
> a bug in Hadoop (HDFS-11583), which causes spurious {{writeTo}} spans being
> generated from {{DataStreamer}} class.
> Since Phoenix implements its {{SpanReceiver}} to receive the HTrace spans,
> all these spans are redirected over here, which eventually get persisted into
> Phoenix tables with the system developed in PHOENIX-3752. The information is
> useless and might use up unnecessary space.
> This JIRA is to add a patch to ignore those spans and prevent them from being
> written to Phoenix tables.
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