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IPC::Run provides a nice simplification in several places; and
we already use it (optionally) on a lot of tests.
For the non-test code, we still rely on our vfork-capable
Inline::C stuff since real-world server processes can get large
enough to where vfork is an advantage. Maybe Perl5 can use
CLONE_VFORK somehow, one day:
https://rt.perl.org/Ticket/Display.html?id=128227
Ohg V'q engure cbeg choyvp-vaobk gb Ehol :C
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This performance test doesn't normally get run...
Fixes: dd7049951c052c54 ("Put the NNTP server name into Xref lines")
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This significantly improves the performance of the NNTP GROUP
command with 2.7 million messages from over 250ms to 700us.
SQLite is weird about this, but at least there's a way to
optimize it.
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While SQLite is faster than Xapian for some queries we
use, it sucks at handling OFFSET. Fortunately, we do
not need offsets when retrieving sorted results and
can bake it into the query.
For inbox.comp.version-control.git (v1 Xapian),
XOVER and XHDR are over 20x faster.
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