pgsql: Make GIN's cleanup pending list process interruptable

From: Teodor Sigaev <teodor(at)sigaev(dot)ru>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Make GIN's cleanup pending list process interruptable
Date: 2015-09-07 14:22:12
Message-ID: E1ZYxJE-0006Vs-EJ@gemulon.postgresql.org
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Make GIN's cleanup pending list process interruptable

Cleanup process could be called by ordinary insert/update and could take a lot
of time. Add vacuum_delay_point() to make this process interruptable. Under
vacuum this call will also throttle a vacuum process to decrease system load,
called from insert/update it will not throttle, and that reduces a latency.

Backpatch for all supported branches.

Jeff Janes <jeff(dot)janes(at)gmail(dot)com>

Branch
------
REL9_5_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/d592a8745fd0320fd5e691b59bf5a95d9834a286

Modified Files
--------------
src/backend/access/gin/ginfast.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

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