#2256: sqlite is fantastically slow on Lion
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Reporter: dustin | Owner:
Type: defect | Status: new
Priority: minor | Milestone: 0.8.7
Version: 0.8.6 | Resolution:
Keywords: performance |
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Comment (by bdash):
This is because OS X's version of SQLite has checkpoint_fullfsync enabled
by default. This causes SQLite to use the incredibly heavyweight fcntl
F_FULLFSYNC that blocks until all buffered data is flushed to the disk
platters. This is in contrast to on other platforms where SQLite simply
uses fsync, which blocks until buffered data has been flushed from host
memory to the disk controller.
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Ticket URL: <http://trac.buildbot.net/ticket/2256#comment:3>
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