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 >