>> Do you sometimes find anvil missing? I wonder if you can strace master >> and see what it is doing or waiting for... > > This happened again this morning. I see the anvil process died - > > 22815 ? Z 0:13 [anvil] <defunct> > > # strace -p 22799 > Process 22799 attached - interrupt to quit > futex(0xb7bc2bec, FUTEX_WAIT, 2, NULL <unfinished ...> > > That's all there was from strace. > I saw your post on the postfix list. Do you really have problems with number of file handles? IIRC file-max is automatically adjusted? On my box it is pretty high at 48520 without any tuning on my part. What does 'sysctl fs.file-nr' say?