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Introduce IndexAM fields for parallel vacuum.

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Introduce new fields amusemaintenanceworkmem and amparallelvacuumoptions
in IndexAmRoutine for parallel vacuum.  The amusemaintenanceworkmem tells
whether a particular IndexAM uses maintenance_work_mem or not.  This will
help in controlling the memory used by individual workers as otherwise,
each worker can consume memory equal to maintenance_work_mem.  The
amparallelvacuumoptions tell whether a particular IndexAM participates in
a parallel vacuum and if so in which phase (bulkdelete, vacuumcleanup) of
vacuum.

Author: Masahiko Sawada and Amit Kapila
Reviewed-by: Dilip Kumar, Amit Kapila, Tomas Vondra and Robert Haas
Discussion:
https://postgr.es/m/CAD21AoDTPMgzSkV4E3SFo1CH_x50bf5PqZFQf4jmqjk-C03BWg@mail.gmail.com
https://postgr.es/m/CAA4eK1LmcD5aPogzwim5Nn58Ki+74a6Edghx4Wd8hAskvHaq5A@mail.gmail.com
This commit is contained in:
Amit Kapila
2020-01-15 07:24:14 +05:30
parent fe233366f2
commit 4d8a8d0c73
11 changed files with 75 additions and 0 deletions
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4
contrib/bloom/blutils.c
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@ -18,6 +18,7 @@
#include "access/reloptions.h"
#include "bloom.h"
#include "catalog/index.h"
#include "commands/vacuum.h"
#include "miscadmin.h"
#include "storage/bufmgr.h"
#include "storage/freespace.h"
@ -121,6 +122,9 @@ blhandler(PG_FUNCTION_ARGS)
amroutine->ampredlocks = false;
amroutine->amcanparallel = false;
amroutine->amcaninclude = false;
amroutine->amusemaintenanceworkmem = false;
amroutine->amparallelvacuumoptions =
VACUUM_OPTION_PARALLEL_BULKDEL | VACUUM_OPTION_PARALLEL_CLEANUP;
amroutine->amkeytype = InvalidOid;
amroutine->ambuild = blbuild;