On 2/18/2021 12:11 PM, Niranjan Rao wrote:
Thank you the response. This is not a web application, but a standalone
java program. Hence I said it's not a tomcat question, but a generic JVM
question. I have been researching about this a lot and based on many
mails on this list, lot of people here know about internal behavior of
JVM and specs lot better than I do.
Apologies for getting that wrong.
Is it a custom app or something that you downloaded and installed? Talk
to whoever wrote it. They will hopefully know what information is
needed to troubleshoot further.
Is Java 15 required for the application to function? If you can
successfully use Java 11 or even Java 8, you'll be dealing with a far
more stable platform. Major show-stopper bugs in Java are rare, but
they do happen. I will warn you that although I do recommend
downgrading Java for stability purposes, I do not hold out a lot of hope
that it will solve this problem.
Which garbage collector are you using? I would recommend one of the
really stable collectors, like G1. I wrote this wiki page a long time
ago that includes garbage collection information for Solr ... I think it
would apply well to any application where latency is important than
throughput:
https://cwiki.apache.org/confluence/display/SOLR/ShawnHeisey
Thanks,
Shawn
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