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https://issues.apache.org/jira/browse/CASSANDRA-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis reassigned CASSANDRA-2427:
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Assignee: Patricio Echague (was: paul cannon)
> Heuristic or hard cap to prevent fragmented commit logs from bringing down
> the server
> -------------------------------------------------------------------------------------
>
> Key: CASSANDRA-2427
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2427
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Benjamin Coverston
> Assignee: Patricio Echague
> Labels: commitlog, hardening
> Fix For: 1.0
>
>
> Widely divergent write rates on column families can cause the commit log
> segments to fragment. In some cases we have seen the commit log partition
> overrun.
> One solution here would be to create a heuristic for segment fragmentation to
> trigger a flush (commit log segments/memtable) or simply track the free disk
> space and force a global flush when the disk gets to 80% capacity.
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