If you have multiple machines in the ensemble you can restart one of the machine. When the follower restarts and join the quorum it will create a new snapshot that you can use to troubleshoot the problem.
-- Thawan Kooburat On 1/10/13 10:30 AM, "Dayal Dilli" <[email protected]> wrote: >Check out this link for information about SnapshotFormatter > >http://svn.apache.org/repos/asf/zookeeper/trunk/src/java/main/org/apache/z >ookeeper/server/SnapshotFormatter.java > >Dayal >________________________________________ >From: S C [[email protected]] >Sent: Wednesday, January 09, 2013 5:37 PM >To: [email protected] >Subject: RE: force snapshot > >Thank you Dayal. >Where can I get more info on SnapshotFormatter? >Thanks,SC > >> From: [email protected] >> To: [email protected] >> Subject: RE: force snapshot >> Date: Wed, 9 Jan 2013 18:18:17 +0000 >> >> Your understanding is correct. snapCount is a system property with >>default value is 100,000. You can also set it in the zookeeper >>configuration file (conf/zoo.cfg) by using the parameter "snapCount". >> >> I don't understand exactly what you mean by adhoc snapshot. From my >>understanding, if you want to take a snapshot early/more frequently >>reduce the value of snapCount. Also, you can use SnapshotFormatter to >>get the data in snapshot in plain text and analyze it. >> >> Dayal >> ________________________________________ >> From: S C [[email protected]] >> Sent: Wednesday, January 09, 2013 1:00 PM >> To: [email protected] >> Subject: RE: force snapshot >> >> Dayal, >> I believe you pointed the threshold. Thank you. Is there a way to take >>an adhoc snapshot for troubleshooting / analysis of any issues? >> Upon looking for snapCount, I came across "zookeeper.snapCount" a >>system property with default value of 100,000. Is my understanding >>correct? >> >> Thanks,SC >> >> > From: [email protected] >> > To: [email protected] >> > Subject: RE: force snapshot >> > Date: Tue, 8 Jan 2013 14:35:02 +0000 >> > >> > Change the value of snapCount in conf/zoo.cfg >> > >> > The default is 10,000. >> > ________________________________________ >> > From: challa asf [[email protected]] >> > Sent: Monday, January 07, 2013 5:20 PM >> > To: [email protected] >> > Subject: force snapshot >> > >> > I am new to Zookeeper. Couple of questions. >> > What is the threshold before ZK takes a snapshot?Is there a way to >>force ZK to snapshot for troubleshooting or for any Operational reasons? >> > Thanks,Challa >> > >> >
