> On Mar 28, 2019, at 12:03 PM, Wietse Venema <wie...@porcupine.org> wrote: > > And thank you for your thorough investigation that helped to narrow > down the root cause: under high traffic conditions, LMTP connections > are cached but never reused, therefore those idle cached connections > are exhausting server resources.
Yes, thanks. I was similarly impressed by the OP's detailed report. For the record, in case anyone has not read the entire thread, the issue is only with LMTP over unix-domain sockets. LMTP over TCP is not affected. -- Viktor.