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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2011-03-08 12:07:29 +0200 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2011-03-08 12:12:54 +0200 |
| commit | 4cd3fb6e1244383fc9f77906e7162de0559ba354 (patch) | |
| tree | a331f62a5812c71f32c8ec01c1a681c538ed307f /src/tutorial/advanced.source | |
| parent | 804d13adfd2f66c70d8d95a606dde621b3213179 (diff) | |
Truncate predicate lock manager's SLRU lazily at checkpoint. That's safer
than doing it aggressively whenever the tail-XID pointer is advanced, because
this way we don't need to do it while holding SerializableXactHashLock.
This also fixes bug #5915 spotted by YAMAMOTO Takashi, and removes an
obsolete comment spotted by Kevin Grittner.
Diffstat (limited to 'src/tutorial/advanced.source')
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