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From Stack <st...@duboce.net>
Subject Re: JVM memory dump.
Date Thu, 17 Sep 2015 15:27:17 GMT
Are you talking about the linux out-of-memory-killer?

I don't know of a way to intercept the kill signal to have it dump java
heap (there me be a way).

Why is your heap growing? Have you not set -Xmx == -Xms?


On Wed, Sep 16, 2015 at 9:54 PM, James Teng <tenglinxiao@outlook.com> wrote:

> HI All,
> first i have to say sorry, because this topic is not closely related to
> hbase but jvm. Does jvm support or we can take other approaches to let the
> jvm dump its memory when the process is being killed by OS due to the
> memory increment, which brings a threat to the system crash.
> we have get an system which occupies lots of memory, and because of that,
> sometime this process is killed by OS. we want to record the memory profile
> for further analysis when the system signals to kill this system process.
> any idea is appreciated! thanks in advance.
> uknow.

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