Log file reuse
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Key: ZOOKEEPER-323
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-323
Project: Zookeeper
Issue Type: Improvement
Components: server
Reporter: Benjamin Reed
in some benchmarks i noticed that you can get much higher throughput using
preallocated files rather than doing the grow-by-padding approach that we use.
we should recycle log files that are no longer needed. this should give us a
performance boost. it will also make the purgelog utility unnecessary. we
should have a policy that we only keep X snapshots and associated logs and
reuse older log files (and probably delete the older snapshots as well since
the snapshot would be useless without the corresponding log file.)
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