| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Explain subtlety in nbtree locking protocol. |
| Date: | 2019-08-24 03:26:26 |
| Message-ID: | E1i1Mh8-00060D-HD@gemulon.postgresql.org |
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| Lists: | pgsql-committers |
Explain subtlety in nbtree locking protocol.
The Postgres approach to coupling locks during an ascent of the tree is
slightly different to the approach taken by Lehman and Yao. Add a new
paragraph to the "Differences to the Lehman & Yao algorithm" section of
the nbtree README that explains the similarities and differences.
Branch
------
master
Details
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https://git.postgresql.org/pg/commitdiff/867d25ccb4c7f290d08c720622ecaae4afd1dc3f
Modified Files
--------------
src/backend/access/nbtree/README | 27 ++++++++++++++++++++-------
src/backend/access/nbtree/nbtinsert.c | 3 +++
2 files changed, 23 insertions(+), 7 deletions(-)
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