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(-)
