diff options
Diffstat (limited to 'Documentation/public-inbox-daemon.pod')
| -rw-r--r-- | Documentation/public-inbox-daemon.pod | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/Documentation/public-inbox-daemon.pod b/Documentation/public-inbox-daemon.pod index 6f1e3b53..092be667 100644 --- a/Documentation/public-inbox-daemon.pod +++ b/Documentation/public-inbox-daemon.pod @@ -79,9 +79,9 @@ C<err=> may also be specified on a per-listener basis. Default: /dev/null with C<--daemonize>, inherited otherwise -=item -W +=item -W INTEGER -=item --worker-processes +=item --worker-processes INTEGER Set the number of worker processes. @@ -96,6 +96,40 @@ the master on crashes. Default: 1 +=item -X INTEGER + +=item --xapian-helpers INTEGER + +Enables the use of Xapian helper processes to handle expensive, +non-deterministic Xapian search queries asynchronously without +blocking simple requests. + +With positive values, there is an additional manager process +that can be signaled to control the number of Xapian helper workers. + +* C<-X0> one worker, no manager process +* C<-X1> one worker, one manager process +... +* C<-X8> eight workers, one manager process + +As with the public-facing public-inbox-* daemons, sending C<SIGTTIN> +or C<SIGTTOU> to the Xapian helper manager process will increment or +decrement the number of workers. + +Both Xapian helper workers and managers automatically respawn if they +crash or are explicitly killed, even with C<-X0>. + +A C++ compiler, L<pkg-config(1)>, and Xapian development files (e.g. +C<libxapian-dev> or C<xapian*-core-dev*>) are required to gain access to +some expensive queries and significant memory savings. + +Xapian helper workers are shared by all C<--worker-processes> of the +Perl daemon for additional memory savings. + +New in public-inbox 2.0.0. + +Default: undefined, search queries are handled synchronously + =item --cert /path/to/cert The default TLS certificate for HTTPS, IMAPS, NNTPS, POP3S and/or STARTTLS |