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https://issues.apache.org/jira/browse/CASSANDRA-1434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stu Hood reassigned CASSANDRA-1434:
-----------------------------------
Assignee: Jonathan Ellis (was: Stu Hood)
* ColumnFamilyOutputFormat.createAuthenticatedClient calls socket.open, so the
second open in RangeClient is getting {{TTransportException: Socket already
connected}}
* Logging a NPE for the first batch is pretty ugly
* The default batchSize was increased back up to Long.MAX_VALUE: it should
probably be significantly lower (32~128) for the reasons you've mentioned
> ColumnFamilyOutputFormat performs blocking writes for large batches
> -------------------------------------------------------------------
>
> Key: CASSANDRA-1434
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1434
> Project: Cassandra
> Issue Type: Bug
> Components: Hadoop
> Reporter: Stu Hood
> Assignee: Jonathan Ellis
> Fix For: 0.7 beta 2
>
> Attachments:
> 0001-Switch-away-from-Multimap-and-fix-regression-introdu.patch,
> 0002-Improve-concurrency-and-add-basic-retries-by-attempt.patch,
> 0003-Switch-RingCache-back-to-multimap.patch,
> 0004-Replace-Executor-with-map-of-threads.patch, 1434-v3.txt, 1434-v4.txt,
> 1434-v5.txt
>
>
> By default, ColumnFamilyOutputFormat batches
> {{mapreduce.output.columnfamilyoutputformat.batch.threshold}} or
> {{Long.MAX_VALUE}} mutations, and then performs a blocking write.
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