GitHub user spmason opened a pull request:
https://github.com/apache/lucene-solr/pull/183
LUCENE-7778 Removed synchronized from RAMFile methods
These methods don't seem to benefit from locking - the methods that mutate
the underlying fields aren't synchronized themselves, for example
Removing these methods gives me a 2x throughput increase under concurrent
load on internal benchmarks
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/spmason/lucene-solr-1
ram-directory-remove-synchronized
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/lucene-solr/pull/183.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 #183
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commit 2439b917a33b91892e326ce4467cace46ad9ded5
Author: Steve Mason <[email protected]>
Date: 2017-04-11T11:08:38Z
LUCENE-7778 Removed synchronized from RAMFile methods
These methods don't seem to benefit from locking - the methods that mutate
the underlying fields aren't synchronized themselves, for example
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