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https://issues.apache.org/jira/browse/LOG4J2-1430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15338841#comment-15338841
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Matt Sicker commented on LOG4J2-1430:
-------------------------------------
OSGi provides some fun issues regarding the use of internal classes (e.g., you
have to explicitly export the sun.misc package which isn't done by default).
I do certainly want to add the JCTools version to AsyncAppender, but just like
with the Conversant version, neither can be the default as they require third
party libraries. Plus, LinkedTransferQueue doesn't support a maximum capacity,
so it doesn't make much sense to change to that by default, either.
The thing I'd be most interested in is seeing how well AsyncAppender+JCTools
compares to AsyncLogger/LMAX. These could be two great choices depending on
your use of logging.
> Add optional support for Conversant DisruptorBlockingQueue in AsyncAppender
> ---------------------------------------------------------------------------
>
> Key: LOG4J2-1430
> URL: https://issues.apache.org/jira/browse/LOG4J2-1430
> Project: Log4j 2
> Issue Type: New Feature
> Components: Appenders
> Affects Versions: 2.6.1
> Reporter: Matt Sicker
> Assignee: Matt Sicker
> Fix For: 2.7
>
> Attachments: AsyncAppenderPerf01.txt,
> log4j2-1430-jctools-tmp-patch.txt
>
>
> [Conversant Disruptor|https://github.com/conversant/disruptor] works as an
> implementation of BlockingQueue that is much faster than ArrayBlockingQueue.
> I did some benchmarks earlier and found it to be a bit faster:
> h3. AsyncAppender/ArrayBlockingQueue
> {code}
> Benchmark Mode Samples
> Score Error Units
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput10Params thrpt 20
> 1101267.173 ± 17583.204 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput11Params thrpt 20
> 1128269.255 ± 12188.910 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput1Param thrpt 20
> 1525470.805 ± 56515.933 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput2Params thrpt 20
> 1789434.196 ± 42733.475 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput3Params thrpt 20
> 1803276.278 ± 34938.176 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput4Params thrpt 20
> 1468550.776 ± 26402.286 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput5Params thrpt 20
> 1322304.349 ± 22417.997 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput6Params thrpt 20
> 1179756.489 ± 16502.276 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput7Params thrpt 20
> 1324660.677 ± 18893.944 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput8Params thrpt 20
> 1309365.962 ± 19602.489 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput9Params thrpt 20
> 1422144.180 ± 20815.042 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughputSimple thrpt 20
> 1247862.372 ± 18300.764 ops/s
> {code}
> h3. AsyncAppender/DisruptorBlockingQueue
> {code}
> Benchmark Mode Samples
> Score Error Units
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput10Params thrpt 20
> 3704735.586 ± 59766.253 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput11Params thrpt 20
> 3622175.410 ± 31975.353 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput1Param thrpt 20
> 6862480.428 ± 121473.276 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput2Params thrpt 20
> 6193288.988 ± 93545.144 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput3Params thrpt 20
> 5715621.712 ± 131878.581 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput4Params thrpt 20
> 5745187.005 ± 213854.016 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput5Params thrpt 20
> 5307137.396 ± 88135.709 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput6Params thrpt 20
> 4953015.419 ± 72100.403 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput7Params thrpt 20
> 4833836.418 ± 52919.314 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput8Params thrpt 20
> 4353791.507 ± 79047.812 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughput9Params thrpt 20
> 4136761.624 ± 67804.253 ops/s
> o.a.l.l.p.j.AsyncAppenderLog4j2Benchmark.throughputSimple thrpt 20
> 6719456.722 ± 187433.301 ops/s
> {code}
> h3. AsyncLogger
> {code}
> Benchmark Mode Samples
> Score Error Units
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput10Params thrpt 20
> 5075883.371 ± 180465.316 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput11Params thrpt 20
> 4867362.030 ± 193909.465 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput1Param thrpt 20
> 10294733.024 ± 226536.965 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput2Params thrpt 20
> 9021650.667 ± 351102.255 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput3Params thrpt 20
> 8079337.905 ± 115824.975 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput4Params thrpt 20
> 7347356.788 ± 66598.738 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput5Params thrpt 20
> 6930636.174 ± 150072.908 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput6Params thrpt 20
> 6309567.300 ± 293709.787 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput7Params thrpt 20
> 6051997.196 ± 268405.087 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput8Params thrpt 20
> 5273376.623 ± 99168.461 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughput9Params thrpt 20
> 5091137.594 ± 150617.444 ops/s
> o.a.l.l.p.j.AsyncLoggersBenchmark.throughputSimple thrpt 20
> 11136623.731 ± 400350.272 ops/s
> {code}
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