franz1981 commented on pull request #3572:
URL: https://github.com/apache/activemq-artemis/pull/3572#issuecomment-841677475
I've run some benchmarks vs this version getting these results on the
replica:
`main` total broker CPU usage = ~1000 samples.
430 samples on (5) I/O threads + 570 samples on replication endpoint thread
155 samples/ 570 samples on replication endpoint thread are spent to awake
the I/O threads.
`this PR` total broker CPU usage = ~664 samples
171 samples on a single I/O thread + 492 samples on replication endpoint
thread
91 samples/570 samples on replication endpoint thread are spent to awake the
single I/O thread.
TLDR: *The improvement in term of CPU usage is ~30% (!!!!)*
Throughput is slightly improved for the single producer/single consumer
case, but not dramatically.
The improved CPU usage instead means having more room to handle I/O, but I
don't have a big enough machine to test this case.
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