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https://issues.apache.org/jira/browse/CASSANDRA-20532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17947410#comment-17947410
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Brandon Williams commented on CASSANDRA-20532:
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||Branch||CI||
|[4.0|https://github.com/driftx/cassandra/tree/CASSANDRA-20532-4.0]|[j8|https://app.circleci.com/pipelines/github/driftx/cassandra/1859/workflows/85a7a425-a60d-475a-adf0-11834f35a743],
[j11|https://app.circleci.com/pipelines/github/driftx/cassandra/1859/workflows/c48b56e4-ff50-4d58-bf4d-a514c6b9fbaa]|
|[4.1|https://github.com/driftx/cassandra/tree/CASSANDRA-20532-4.1]|[j8|https://app.circleci.com/pipelines/github/driftx/cassandra/1861/workflows/99db64e6-7e78-4bab-af59-b85db79fe2b6],
[j11|https://app.circleci.com/pipelines/github/driftx/cassandra/1861/workflows/298610de-c018-49fa-9425-8e04592933cc]|
|[5.0|https://github.com/driftx/cassandra/tree/CASSANDRA-20532-5.0]|[j11|https://app.circleci.com/pipelines/github/driftx/cassandra/1860/workflows/e5f54cf4-4866-4f9b-8f60-98c5b8fe2569],
[j17|https://app.circleci.com/pipelines/github/driftx/cassandra/1860/workflows/1bd65b19-e7a7-4416-9e06-b48e05ad3427]|
|[trunk|https://github.com/driftx/cassandra/tree/CASSANDRA-20532-trunk]|[j11|https://app.circleci.com/pipelines/github/driftx/cassandra/1862/workflows/66ec7618-b6bb-46b2-9e24-e6b060b06020],
[j17|https://app.circleci.com/pipelines/github/driftx/cassandra/1862/workflows/b24164e9-60e2-4711-b0b1-93dc5e690661]|
> The property cassandra.streaming.session.parallelTransfers is partly ignored
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-20532
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20532
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Consistency/Streaming
> Reporter: Alberto Bortolan
> Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
>
> The property is ignored when it comes to create the semaphore used to control
> the streaming slots used, where it is always created using the default size.
> On the other hand, the netty pool for the transfers is sized accordingly if
> the property is defined.
> The fix is a trivial one-line change in
> [StreamingMultiplexedChannel.java|https://github.com/apache/cassandra/blob/cassandra-4.1.8/src/java/org/apache/cassandra/streaming/async/StreamingMultiplexedChannel.java#L98]
> ( v4.1+) or
> [NettyStreamingMessageSender.java|https://github.com/apache/cassandra/blob/cassandra-4.0.17/src/java/org/apache/cassandra/streaming/async/NettyStreamingMessageSender.java#L92]
> ( v4.0 ) where the semaphore size has to be changed from
> {{DEFAULT_MAX_PARALLEL_TRANSFERS}} to {{MAX_PARALLEL_TRANSFERS}}
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