Hi Ted,

  Do you mean GC problem can prevent delivery of SESSION EXPIRE event?
Hum...so you have met this problem before?
I didn't see any OOM though, will look into it more.

On Mon, Aug 16, 2010 at 12:46 PM, Ted Dunning <ted.dunn...@gmail.com> wrote:
> I am assuming that you are using ZK from java.
> Very likely you are having GC problems.
> Turn on verbose GC logging and see what is happening.  You may also want to
> change the session timeout values.
> It is very common for the use of ZK to highlight problems that you didn't
> know that you had.
> On Sun, Aug 15, 2010 at 8:51 PM, Qing Yan <qing...@gmail.com> wrote:
>> We started using ZK in production recently and run into some problems.
>> The user case is simple we have a central
>> monitor checks the ephermenal nodes created by distributed apps, if
>> the node dissappear, corresponding app will get restarted. Each app
>> will also handle SESSION_EXPIRE by shutting itself down...
>> Whats happening now is sometimes the central monitor will try to
>> restart the app, in the mean time the app runs fine and sees no sign
>> of SESSION_EXPIRED. Any clue what's going on here?
>> Thanks

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