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https://issues.apache.org/jira/browse/CASSANDRA-675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797790#action_12797790
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Brandon Williams commented on CASSANDRA-675:
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No exceptions this time. Unfortunately I couldn't completely verify the
bootstrap worked because I ran into CASSANDRA-682, but that is independent of
this issue.
I performed some benchmarks at ConsistencyLevel.ONE, querying through a single
node, on a 4 node cluster with RF=3. Writes were about twice as fast, and
reads were nearly 3.5 times as fast with this patch. Nice work, Jun!
+1
> TcpReader is slow because of using Exception handling in the normal path
> ------------------------------------------------------------------------
>
> Key: CASSANDRA-675
> URL: https://issues.apache.org/jira/browse/CASSANDRA-675
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.9
> Reporter: Jun Rao
> Assignee: Jun Rao
> Fix For: 0.9
>
> Attachments: issue675.patchv1, issue675.patchv2
>
>
> TcpReader has the overhead of 1-2ms per message reading. This makes quorum
> reads too slow.
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