Thanks - I'll check and see if the other topic got cleared too... What / where is the per topic retention set? I wasn't are of that - thanks for mentioning it.
On Thu, May 5, 2016 at 9:49 AM, Salman Ahmed <ahmed.sal...@gmail.com> wrote: > On Kafka 0.8.2 release there were a few issues like KAFKA-2477 > <http://issues.apache.org/jira/browse/KAFKA-2477> that could have impacted > you. Did you have issue with just one topic or all topics got data deleted? > Also did you have a per topic level retention override configured on top of > the base retention policy? Somethings for you to check > > On Thu, May 5, 2016 at 7:37 AM, John Bickerstaff <j...@johnbickerstaff.com > > > wrote: > > > kafka_2.10-0.8.2.2 > > > > Thanks > > > > On Wed, May 4, 2016 at 9:42 PM, Salman Ahmed <ahmed.sal...@gmail.com> > > wrote: > > > > > Which version of Kafka are you on? > > > On Wed, May 4, 2016 at 4:54 PM John Bickerstaff < > > j...@johnbickerstaff.com> > > > wrote: > > > > > > > Hi, > > > > > > > > I've been working with Kafka a lot recently and have the log > retention > > > set > > > > to over two years. > > > > > > > > Today, as I was trying some things I happened to have the log running > > in > > > > another window and on two different VMs, Kafka decided to delete all > my > > > log > > > > messages, thus losing the entire topic's worth of data - something > that > > > > takes a couple of hours to load. > > > > > > > > Can anyone tell me what might have affected this? I set the log > > > retention > > > > to a very big number in the server.properties file, but I'm unaware > of > > > > anything else that might affect this. > > > > > > > > What I observed is that this happened very soon after a reboot of > Kafka > > > > (under 5 minutes I think - certainly less than 10) and I watched it > > occur > > > > on two boxes within half an hour of each other as I was restarting > > > Kafka... > > > > > > > > > >