GitHub user merlimat opened a pull request:
https://github.com/apache/bookkeeper/pull/140
BOOKKEEPER-1050: Cache journalFormatVersionToWrite when starting Journal
Reading the journal version format from `ServiceConfiguration` each time is
inefficient.
`ServiceConfiguration` is based on Java properties which is based on a
String to object hashtable. Each read implies acquiring a mutex and converting
from object to int.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/merlimat/bookkeeper cache-journal-conf
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/bookkeeper/pull/140.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #140
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commit 68d5e8322e466ec1aed61355e1415b09da4b7f1f
Author: Matteo Merli <mme...@apache.org>
Date: 2015-10-08T08:21:24Z
BOOKKEEPER-1050: Cache journalFormatVersionToWrite when starting Journal
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