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We have a WebLogic server with Java8 u172, I used "jmap -heap $pid" to check the heap memory usage, and then lead to Full GC every second. I waited for about 5 mins. It didn't stop. I can only try to kill -9 and restart the server.

Does anyone know what happened?

Pavel Smirnov
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YYYYYYYYYYY
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  • It can do. See https://stackoverflow.com/questions/11390665/can-jmap-histo-trigger-full-garbage-collection – Stephen C Sep 18 '19 at 14:41
  • `jmap -heap` does not trigger GC, though it causes a stop-the-world pause which may negatively impact on the application performance. See https://stackoverflow.com/a/41738033/3448419 – apangin Sep 18 '19 at 23:32

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