* Xapian::DB_NO_SYNC option?
@ 2020-01-27 9:46 Eric Wong
0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2020-01-27 9:46 UTC (permalink / raw)
To: meta
Since 1.3.2, Xapian has supports a DB_NO_SYNC flag to disable
fsync(). It's available from the new SWIG "Xapian" Perl
bindings, but not the old Search::Xapian XS binding, though it's
easy enough to define ourselves (0x4) when encountering Xapian
1.3.2+.
So I'm wondering if it'd be useful for anybody to provide a
switch or command-line option to disable fsync? SQLite also
has a PRAGMA to control fsync usage.
Personally, I use the "eatmydata" LD_PRELOAD wrapper a lot and
have always found public-inbox-index and one-off importer
scripts completely unusable without eatmydata.
Everything we store in Xapian, (and even SQLite nowadays) is
regeneratable, anyways, so no risk of data loss in the worst
case.
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2020-01-27 9:46 Xapian::DB_NO_SYNC option? Eric Wong
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