Francesco Nigro created ARTEMIS-2849:
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Summary: Eliminate zeroing of buffers while writing the journal
Key: ARTEMIS-2849
URL: https://issues.apache.org/jira/browse/ARTEMIS-2849
Project: ActiveMQ Artemis
Issue Type: Test
Components: Broker
Reporter: Francesco Nigro
By default ASYNCIO, NIO and MAPPED journal while using TimedBuffer are zeroing
the ByteBuffers used to perform the write on a journal file: under load
TimedBuffer can be big enough that zeroing would cost the same as copying the
actual content into it, hence saving the zeroing is quite beneficial to save
CPU time and increase IOPS.
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