On Sat, Feb 4, 2012 at 8:27 AM, Emmanuel Dreyfus <manu@xxxxxxxxxx> wrote: > Hi > > I just tracked down a SIGSEGV in glusterfsd 3.2.5 due to the failure of > checking pthread_mutex_init() return value. Most likely it goe ENOMEM > but carried on, and it crashed later on a pthread_mutex_lock() > > A quick inspection of the latest code shows that none of pthread_*_init > is checked for failure. This would be a large change, but it might help > a bit getting relevant error reports, as memory shortage would be > reported as such, instead of generating random SIGSEGV later. > > Anyway, the problem suggests glusterfsd runs out of memory. The core > file is 236 MB large. I wonder if this could be a memory leak, or if it > is a regular usage pattern of glusterfsd to eat that much memory. What > reasonable ressource limits should be set for glusterfsd? > It depends on the data set and translators loaded. On the server side the default inode cache size is large enough to grow the process foot print to a few hundered MBs. Having caching translators would increase the usage further. Avati