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https://issues.apache.org/jira/browse/HDFS-8213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505860#comment-14505860
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Nick Dimiduk commented on HDFS-8213:
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I think [~billie.rinaldi] is correct here; the client should not instantiate
it's own SpanReceiverHost, but instead depend on the process in which it
resides to provide. This is how HBase client works as well.
> 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
> 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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