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https://issues.apache.org/jira/browse/CASSANDRA-1489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907780#action_12907780
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Gary Dusbabek commented on CASSANDRA-1489:
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as observed from the sender or receiver? From the receiver this shouldn't be
too hard, but from the sender it gets difficult, especially when the
PendingFile.sections are not very granular.
An idea I had some time ago was to let the receiver send periodic feedback
messages to the sender ("I've read x bytes").
BTW, it used to track octets before we switched to sending file sections
instead of entire sstables.
> Expose progress made on PendingStreams through JMX
> --------------------------------------------------
>
> Key: CASSANDRA-1489
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1489
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Affects Versions: 0.7 beta 1, 0.7 beta 2, 0.7.0, 0.7.1, 0.8
> Reporter: paul cannon
> Priority: Minor
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> So I thought originally that the pairs of numbers shown after filenames
> returned from org.apache.cassandra.service:type=StreamingService's
> getOutgoingFiles/getIncomingFiles calls were (octetsSent, totalSizeInOctets).
> Now I know that they are ranges, and that there can be several of them with
> one file, and that makes sense, but there doesn't seem to be any way to query
> the progress made on a PendingFile stream.
> We would very much like to be able to inspect that from the outside, in
> whatever way makes sense.
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