Have you done an strace on one of the lmtpd on the backend to see what
it is doing?
Gary Mills wrote:
We have a fairly conventional Cyrus server with one front-end and one
back-end. Recently, I've noticed that when the number of lmtpd
processes on the back-end server increases to the 400
We have a fairly conventional Cyrus server with one front-end and one
back-end. Recently, I've noticed that when the number of lmtpd
processes on the back-end server increases to the 400 range,
performance drops to a crawl, including local deliveries. When I put
an upper limit of 128 or 64 to
