Hi Gyula, I haven't seen this problem before. Do you have the logs of the failed TMs so that we have some more context what was going on?
Cheers, Till On Thu, Aug 25, 2016 at 9:40 AM, Gyula Fóra <gyf...@apache.org> wrote: > Hi guys, > > For quite some time now we fairly frequently experience a task manager > crashes around the time new streaming jobs are deployed. We use RocksDB > backend so this might be related. > > We tried changing the GC from G1 to CMS that didnt help. > > Yesterday for instance 6 task managers crashed one ofter the other with > similar errors: > > *** Error in `java': double free or corruption (!prev): 0x00007fac0414d760 > *** > *** Error in `java': free(): invalid pointer: 0x00007f8dcc0026c0 *** > *** Error in `java': double free or corruption (!prev): 0x00007f15247f9a90 > *** > ... > > Does anyone have any clue what might cause this or how to debug? > This is very a critical issue :( > > Cheers, > Gyula >
