We have a wildfly 8.2 app server which allocates 6GB of server RAM. Sometime due to havey transaction count wildfly has stop receiving incoming connections. But when I check server (not app server, it is our VM ) memory, it uses 4GB of RAM. Then I checked Wildfly app server's heap memory it did not use at least 25% of allocate heap size. Why is that? When I restart wildfly App server, All things work normally and when it comes that kind of load, above scenario happen again
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Maybe some deadlock occurred due to high-rate concurrency between transactions – Nikolai Shevchenko Jan 28 '18 at 07:24
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Or you can try to make a snapshot of threads in JVM (`jstack` tool in JDK) on next "encounter", maybe deadlock occurred there – Nikolai Shevchenko Jan 28 '18 at 07:47
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Try to increase the connection-limit as suggested in this SO question You can Dump HTTP requests as given here
Also, are you getting any errors in your console? Please post them as well.
phoenixSid
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