Postfix Bottleneck Analysis
Purpose of this document
This document describes the
qshape(1) program which helps the
administrator understand the Postfix queue message distribution
sorted by time and by sender or recipient domain.
bundled with the Postfix 2.1 source under the "auxiliary" directory.
In order to understand the output of
qshape(1), it useful to
understand the various Postfix queues. To this end the role of each
Postfix queue directory is described briefly in the "Background
info: Postfix queue directories" section near the end of this
This document covers the following topics: