make the number of compaction threads configurable
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Key: CASSANDRA-1187
URL: https://issues.apache.org/jira/browse/CASSANDRA-1187
Project: Cassandra
Issue Type: Improvement
Components: Core
Affects Versions: 0.6.1
Reporter: Sean Bridges
On our test machines, compaction is the limiting factor when we are writing to
Cassandra. It's easy to write to Cassandra faster than the single compaction
thread can keep up, leading to a large number of sstables.
In one extreme example, we inserted a TB of data into a single cassandra node
overnight, and ended up with 100,000 sstables, which took another two days to
finish compacting.
If the number of compaction threads was configurable, we could tune cassandra
to support a higher write workload.
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