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author | Eric Wong <e@80x24.org> | 2016-09-08 20:15:25 +0000 |
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committer | Eric Wong <e@80x24.org> | 2016-09-08 20:19:14 +0000 |
commit | aac5361cf9f2d71bc1429e909f8664b0abbe31ae (patch) | |
tree | cd264af45b805df4f18c69dc91c7ae235d3ae0f0 /Documentation/public-inbox-daemon.pod | |
parent | 75d9216d604a2e31201f1833e655a6f71296d05c (diff) | |
download | public-inbox-aac5361cf9f2d71bc1429e909f8664b0abbe31ae.tar.gz |
For now, we will document this since it allows better performance without the burden of extensions. Perhaps one day far in the future Perl can natively support vfork(2) AND that version of Perl will be widely available, but I suspect that day is at least a decade away, if not two: https://rt.perl.org/Ticket/Display.html?id=128227
Diffstat (limited to 'Documentation/public-inbox-daemon.pod')
-rw-r--r-- | Documentation/public-inbox-daemon.pod | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/public-inbox-daemon.pod b/Documentation/public-inbox-daemon.pod index 42beda69..72794a51 100644 --- a/Documentation/public-inbox-daemon.pod +++ b/Documentation/public-inbox-daemon.pod @@ -133,6 +133,18 @@ See L<public-inbox-config(5)> Used by systemd (and compatible) installations for socket activation. See L<systemd.socket(5)> and L<sd_listen_fds(3)>. +=item PERL_INLINE_DIRECTORY + +Pointing this to point to a writable directory enables the use +of L<Inline> and L<Inline::C> extensions which may provide +platform-specific performance improvements. Currently, this +enables the use of L<vfork(2)> which speeds up subprocess +spawning with the Linux kernel. + +public-inbox will never enable L<Inline::C> automatically without +this environment variable set. See L<Inline> and L<Inline::C> +for more details. + =back =head1 UPGRADING |