pgsql: Limit the number of number of tapes used for a sort to 501.

From: Robert Haas <rhaas(at)postgresql(dot)org>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Limit the number of number of tapes used for a sort to 501.
Date: 2016-11-15 15:43:49
Message-ID: E1c6ftl-0006fI-TE@gemulon.postgresql.org
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Limit the number of number of tapes used for a sort to 501.

Gigantic numbers of tapes don't work out well.

Original patch by Peter Geoghegan; comments entirely rewritten by me.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/fc19c1801bd2dbee1043b0c0b62e07747d30ea1c

Modified Files
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src/backend/utils/sort/tuplesort.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)

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