Re: java.lang.OutOfMemoryError: GC overhead limit exceeded

From: Christophe combet <chrisc_pro(at)yahoo(dot)fr>
To: Vladimir Sitnikov <sitnikov(dot)vladimir(at)gmail(dot)com>
Cc: pgsql-jdbc(at)lists(dot)postgresql(dot)org
Subject: Re: java.lang.OutOfMemoryError: GC overhead limit exceeded
Date: 2020-07-23 16:23:16
Message-ID: 1024885279.9278121.1595521396721@mail.yahoo.com
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jhat no chat.
Used  -Xms2g -Xmx2g to produce a light heap dump analysed with MAT
Le jeudi 23 juillet 2020 à 17:37:03 UTC+2, Christophe combet <chrisc_pro(at)yahoo(dot)fr> a écrit :

chat is running for a long time on many processors...Not enough RAM on my laptop. Will try again later.
Le jeudi 23 juillet 2020 à 15:38:45 UTC+2, Vladimir Sitnikov <sitnikov(dot)vladimir(at)gmail(dot)com> a écrit :

Could you open a heapdump and figure out what is consuming the memory?
It is kind of hard to guess without having a reproducer.
Vladimir

Attachment Content-Type Size
thread_stack.png image/png 179.2 KB
histogram_by_retained_heap.png image/png 184.1 KB
overview.png image/png 323.3 KB

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