We also checked the jconsole for memory graph, it was taking only 80% of
the heap (i can see still 20% remaining).

-SK

On Tue, Sep 29, 2015 at 8:13 PM, Gerrit Jansen van Vuuren <
gerrit...@gmail.com> wrote:

> also check your'e GC, caused by using async without backpressuce, with the
> latest jdk and GC1 I've found that many time's a JVM app can become
> unresponsive without throwing a OOM.
>
> running jstat -gcutil <pid> 250 would tell you, e.g if S0 or S1 stay at
> 100.00 then you've got a GC problem, and need to revert back to using CMS.
>

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