Thanks again Tamas. On Tue, Sep 4, 2018 at 2:21 PM Tamas Penzes <[email protected]> wrote:
> Hi Debraj, > > ZooKeeper 3.4.5-cdh5.15.1 is a version delivered by Cloudera within CDH > 5.15.1, so it differs from Apache ZooKeeper. (It is Apache ZooKeeper 3.4.5 > with carefully selected fixes backported manually.) > If you want to know more about it, or have Cloudera Hadoop related > questions please turn to Cloudera support. We are happy to answer your > questions there. > > In general I can tell you that of course our ZooKeeper versions follow the > general guidelines of Apache ZooKeeper about backward compatibility. > > Regards, Tamaas > > On Tue, Sep 4, 2018 at 10:36 AM Debraj Manna <[email protected]> > wrote: > >> I am also seeing a transitive dependency of zookeeper jar 3.4.5-cdh5.15.1 >> in my mvn dependency tree. >> >> Is 3.4.5-cdh5.15.1 also follows the backward compatibility guideline as >> mentioned in >> https://cwiki.apache.org/confluence/display/ZOOKEEPER/ReleaseManagement ? >> >> On Thu, Aug 30, 2018 at 9:53 PM Debraj Manna <[email protected]> >> wrote: >> >>> Thanks Tamaas for replying. >>> >>> On Thu 30 Aug, 2018, 9:51 PM Tamas Penzes, <[email protected]> >>> wrote: >>> >>>> Hi Debraj, >>>> >>>> ZooKeeper 3.4.13 is only 5 bugfix version above 3.4.8. They are from the >>>> same major.minor version, which means they must be compatible on API >>>> level >>>> (can work together). >>>> >>>> On the other hand 3.4.13 contains bugfixes which can have effects on >>>> server >>>> and client side too. If you use different version on server and client >>>> side >>>> you might run into problems which are fixed in 3.4.13 on server side but >>>> not yet in 3.4.8 in your clients. It can make harder to find the root >>>> cause >>>> of any issue. >>>> >>>> Regards, Tamaas >>>> >>>> On Thu, Aug 30, 2018 at 5:54 PM Debraj Manna <[email protected]> >>>> wrote: >>>> >>>> > Hi >>>> > >>>> > I have read about the backward compatability as mentioned in the >>>> confluence >>>> > page >>>> > < >>>> https://cwiki.apache.org/confluence/display/ZOOKEEPER/ReleaseManagement >>>> >. >>>> > But I am still having the below doubt can someone confirm >>>> > >>>> > I upgraded to zookeeper servers to 3.4.13 from 3.4.8. I want to >>>> upgrade >>>> > java client also to 3.4.13 from 3.4.8. Can someone let me if the >>>> zookeeper >>>> > clients are also backward compatible? I have few other dependencies >>>> which >>>> > are using zookeeper client 3.4.8. So confirming. >>>> > >>>> > After reading the above confluence page it appears yes but I want to >>>> > confirm. >>>> > >>>> > Thanks, >>>> > >>>> >>>> >>>> -- >>>> *Tamás Pénzes* | Engineering Manager >>>> e. [email protected] >>>> cloudera.com <https://www.cloudera.com> >>>> >>>> [image: Cloudera] <https://www.cloudera.com/> >>>> >>>> [image: Cloudera on Twitter] <https://twitter.com/cloudera> [image: >>>> Cloudera on Facebook] <https://www.facebook.com/cloudera> [image: >>>> Cloudera >>>> on LinkedIn] <https://www.linkedin.com/company/cloudera> >>>> ------------------------------ >>>> >>> > > -- > *Tamás Pénzes* | Engineering Manager > e. [email protected] > cloudera.com <https://www.cloudera.com> > > [image: Cloudera] <https://www.cloudera.com/> > > [image: Cloudera on Twitter] <https://twitter.com/cloudera> [image: > Cloudera on Facebook] <https://www.facebook.com/cloudera> [image: > Cloudera on LinkedIn] <https://www.linkedin.com/company/cloudera> > ------------------------------ > >
