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Commit5472ed3

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Make min_parallel_relation_size's default value platform-independent.
The documentation states that the default value is 8MB, but this wasonly true at BLCKSZ = 8kB, because the default was hard-coded as 1024.Make the code match the docs by computing the default as 8MB/BLCKSZ.Oversight in commit75be664, noted pursuant to a gripe from Peter E.Discussion: <90634e20-097a-e4fd-67d5-fb2c42f0dd71@2ndquadrant.com>
1 parent8a50352 commit5472ed3

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  • src/backend/utils/misc

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‎src/backend/utils/misc/guc.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2758,7 +2758,7 @@ static struct config_int ConfigureNamesInt[] =
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GUC_UNIT_BLOCKS,
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},
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&min_parallel_relation_size,
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1024,0,INT_MAX /3,
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(8*1024*1024) /BLCKSZ,0,INT_MAX /3,
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NULL,NULL,NULL
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},
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