you can do this using the logs. there is a log format utility: LogFormatter that will print the log in a human readable format that you could use to get this information. (actually you might need to enhance the tool a bit depending on the detail that you want.)
ben On Tue, Sep 13, 2011 at 3:53 PM, kishore g <[email protected]> wrote: > Hi, > > I want to dump all changes that happen on ZK to a file. > > What I am trying to do is following > > - Set up some application specific structure on zookeeper. > - Start a listener or something equivalent that watches on all the nodes. > - Multiple processes are connected to Zookeeper and they make some > changes on the ZK as needed > - The listener will detect the changes and dump the changes to a file in > some structure > - Once the run is over there will be a verification tool which will go > over the change log and do some verifications. > > I am not sure if there is already a tool to do this or if it is possible to > get all changes from ZK server logs. > > I am aware that if we have a separate listener we may not be able to get all > changes since I might miss changes between receiving a notification and a > change happening before i reset the watch. This may not be the case with ZK > logs/snapshot. > > This will not be in production but I want to use it to for testing. Idea is > to decouple verification from simulation so that all types of verification > can be done based on the change log. > > Any pointers/suggestions ? > > thanks, > Kishore G >
