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https://issues.apache.org/jira/browse/HBASE-9121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13734019#comment-13734019
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Elliott Clark commented on HBASE-9121:
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[~ndimiduk] Twitter does have something that's like htrace that will instrument
threads and rpc requests. However it's scala specific, and targeted only at
Finagle with thrift. [1] So it's not really something that we can use. HTrace
is great because it's all java, has very few dependencies that we don't already
use and is pretty easy to rev quickly if needed ( [~tlipcon] and I both have
perms ).
1. https://github.com/twitter/finagle/tree/master/finagle-zipkin/src/main
> Update HTrace to 2.00 and add new example usage.
> ------------------------------------------------
>
> Key: HBASE-9121
> URL: https://issues.apache.org/jira/browse/HBASE-9121
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.95.1
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Fix For: 0.98.0, 0.95.2
>
> Attachments: HBASE-9121-0.patch, HBASE-9121-PRE.patch, Zipkin Trace
> c49e8c79b9555d62.png
>
>
> Update HTrace to 2.00. This adds maven modularization so the client doesn't
> need all of HTraces dependencies.
> Also while changing to the new api I added some new very small ammounts of
> tracing around ZK and HFileReaderv2.
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