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| kata-irc-bot | <ieb> Hi, are there any known problems performance problems running a multi threaded JVM inside a Kata container relative to a standard container (runc iirc) ? I have been doing some testing and while I see Kata being 17% faster with a JVM running 1024 unsynchronised threads in a test case, I am seeing significant slow down (ie 5x) when running a JVM application with fewer threads. Still trying to find out why. sysbench running threads with | 16:42 |
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| kata-irc-bot | synchronisation falls off a cliff at over 32 threads, although this might not be relevant. I am going to get some data on using locks and synchronisation inside the JVM to see if that triggers the behaviour. The team managing the setup who I am working with say the versions are `Kata 1.11.5, CRI-O 1.17.5, Flatcar 2605.12.0 and qemu5.0-virtiofs-with51bits-dax` hopefully that make sense. Has anyone seen this before? | 16:42 |
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| kata-irc-bot | <fidencio> @ieb, I'm interested on your benchmarks results. | 20:57 |
| kata-irc-bot | <fidencio> cc @christophe | 20:57 |
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