| From: | tgl(at)postgresql(dot)org (Tom Lane) |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Reduce memory consumption during VACUUM of large relations, by |
| Date: | 2008-03-10 02:04:10 |
| Message-ID: | 20080310020410.ADA70753F33@cvs.postgresql.org |
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| Lists: | pgsql-committers |
Log Message:
-----------
Reduce memory consumption during VACUUM of large relations, by using
FSMPageData (6 bytes) instead of PageFreeSpaceInfo (8 or 16 bytes)
for the temporary array of page-free-space information.
Itagaki Takahiro
Modified Files:
--------------
pgsql/src/backend/commands:
vacuum.c (r1.365 -> r1.366)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/vacuum.c?r1=1.365&r2=1.366)
vacuumlazy.c (r1.103 -> r1.104)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/vacuumlazy.c?r1=1.103&r2=1.104)
pgsql/src/backend/storage/freespace:
freespace.c (r1.59 -> r1.60)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/freespace/freespace.c?r1=1.59&r2=1.60)
pgsql/src/include/storage:
freespace.h (r1.27 -> r1.28)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/freespace.h?r1=1.27&r2=1.28)
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