Consider submitting a patch. Patrick
On Tue, Sep 13, 2011 at 11:44 PM, kishore g <[email protected]> wrote: > Hi Ben, > > I was able to get more information by changing the LogFormatter code. > > Record txn = SerializeUtils.deserializeTxn(iab, hdr); > > Based on the txn type, I could cast it to appropriate Txn like SetDataTxn > and was able to get all the information needed. > > thanks, > Kishore G > > On Tue, Sep 13, 2011 at 5:40 PM, kishore g <[email protected]> wrote: > >> Hi Ben, >> >> This only gives me the hugh level information something like >> >> ZooKeeper Transactional Log File with dbid 0 txnlog format version 2 >> 8/15/11 1:55:36 PM PDT session 0x131cf1a236f0014 cxid 0x0 zxid 0xf01 >> createSession >> 8/15/11 1:55:57 PM PDT session 0x131cf1a236f0000 cxid 0x55f zxid 0xf02 >> setData >> 8/15/11 1:56:00 PM PDT session 0x131cf1a236f0015 cxid 0x0 zxid 0xf03 >> createSession >> ... >> .. >> 8/15/11 2:00:33 PM PDT session 0x131cf1a236f001c cxid 0x36 zxid 0xf6b >> setData >> 8/15/11 2:00:33 PM PDT session 0x131cf1a236f0021 cxid 0xa1 zxid 0xf6c >> create >> 8/15/11 2:00:33 PM PDT session 0x131cf1a236f001b cxid 0x3e zxid 0xf6d >> setData >> 8/15/11 2:00:33 PM PDT session 0x131cf1a236f001e cxid 0x3e zxid 0xf6e >> setData >> 8/15/11 2:00:33 PM PDT session 0x131cf1a236f001d cxid 0x41 zxid 0xf6f >> setData >> >> How can get more details about the transaction itself. I want to know which >> node was created deleted what was set etc. Is this possible ? >> >> thanks, >> Kishore G >> >> >> >> On Tue, Sep 13, 2011 at 4:47 PM, kishore g <[email protected]> wrote: >> >>> Thanks Ben, that's exactly what I was looking for. >>> >>> On Tue, Sep 13, 2011 at 4:43 PM, Benjamin Reed <[email protected]> wrote: >>> >>>> 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 >>>> > >>>> >>> >>> >> >
