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https://issues.apache.org/jira/browse/HDFS-8213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509472#comment-14509472
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Colin Patrick McCabe commented on HDFS-8213:
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bq. can you people suggest configuration for DFSClient..?
I'm thinking {{hdfs.client.htrace.spanreceiver.classes}}. It's not completely
trivial because I have to change our SpanReceiverHost thing, but shouldn't be
too bad... let me see if I can post the patch
> DFSClient should not instantiate SpanReceiverHost
> -------------------------------------------------
>
> Key: HDFS-8213
> URL: https://issues.apache.org/jira/browse/HDFS-8213
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Billie Rinaldi
> Assignee: Brahma Reddy Battula
> Priority: Critical
>
> DFSClient initializing SpanReceivers is a problem for Accumulo, which manages
> SpanReceivers through its own configuration. This results in the same
> receivers being registered multiple times and spans being delivered more than
> once. The documentation says SpanReceiverHost.getInstance should be issued
> once per process, so there is no expectation that DFSClient should do this.
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