Performance improvements for ZooKeeper
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Key: ZOOKEEPER-639
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-639
Project: Zookeeper
Issue Type: Improvement
Components: server
Reporter: Benjamin Reed
here are some more improvements to Zab. the patch is a bit stale, but i don't
want to lose track of it. there are two big improvements:
1) transaction logs are reused. this saves time over growing the log files and
if you preallocate a bunch of log files on an empty partition, you will see a
nice performance boost
2) acks and commits are always sent in order, so if there is a bunch to send,
they will get merged into a single ack or commit.
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