Excellent suggestions from Ted, you should also take a look at the troubleshooting guide on the wiki: https://cwiki.apache.org/confluence/display/ZOOKEEPER/Troubleshooting
On Wed, May 25, 2011 at 10:17 AM, Ted Dunning <[email protected]> wrote: > That is a fairly short timeout. > > Generally, the first thing to check is garbage collection. Try turning on > GC logging. You > may want to adjust your GC settings to reduce the number and frequency of > stop the world > pauses. > > Secondly, check into the Zookeeper server to see if that machine is > over-subscribed. This > can especially happen in virtualized environments like EC2 where a VM can go > missing for > several seconds at a time. > > Beyond that, you will need to describe your application and environment a > bit more so that > people can comment more intelligently. > > On Wed, May 25, 2011 at 9:54 AM, hiteshghia <[email protected]>wrote: > >> Hi, >> Our Application does not use zookeeper heavily, but still I get a zookeeper >> Disconnect event around 70 - 80 times a day and half the times its unable >> to >> reconnect which results in an expired session in which case I close the >> zookeeper object and reconnect manually in the application code. tickTime = >> 2000 and I use a timeout of 8000ms. What can be the reason of such frequent >> disconnection event and how can I narrow down the reason and be sure that >> the application code is not the culprit. >> >> Your answers will be greatly appreciated. >> >> Thanks >> >> -- >> View this message in context: >> http://zookeeper-user.578899.n2.nabble.com/Zookeeper-Disconnects-repeatedly-and-often-is-unable-to-reconnect-which-expires-session-tp6403581p6403581.html >> Sent from the zookeeper-user mailing list archive at Nabble.com. >> >
