So will cassandra provide a way to limit its off-heap usage to avoid unexpected OOM kills? I'd much rather have performance degrade when 100% of the index samples no longer fit in memory rather than the process being killed with no way to stabilize it without adding hardware or removing data.
-Bryan On Fri, May 10, 2013 at 7:44 PM, Edward Capriolo <edlinuxg...@gmail.com>wrote: > If you use your off heap memory linux has an OOM killer, that will kill a > random tasks. > > > On Fri, May 10, 2013 at 11:34 AM, Bryan Talbot <btal...@aeriagames.com>wrote: > >> If off-heap memory (for indes samples, bloom filters, row caches, key >> caches, etc) is exhausted, will cassandra experience a memory allocation >> error and quit? If so, are there plans to make the off-heap usage more >> dynamic to allow less used pages to be replaced with "hot" data and the >> paged-out / "cold" data read back in again on demand? >> >> >>
