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Posted to commits@cassandra.apache.org by "Eric Evans (JIRA)" <ji...@apache.org> on 2017/12/05 20:24:01 UTC

[jira] [Updated] (CASSANDRA-14097) Per-node stream concurrency

     [ https://issues.apache.org/jira/browse/CASSANDRA-14097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Evans updated CASSANDRA-14097:
-----------------------------------
    Issue Type: Improvement  (was: Bug)

> Per-node stream concurrency
> ---------------------------
>
>                 Key: CASSANDRA-14097
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14097
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Eric Evans
>
> Stream sessions with a remote are bound to a single thread, and when compression is in use this thread can be CPU bound, limiting throughput considerably.  When the number of nodes is small (i.e. when the number of concurrent sessions is also low), rebuilds or bootstrap operations can take a very long time.
> Ideally, data could be streamed from any given remote concurrently.



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