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Invent WAL timelines, as per recent discussion, to make point-in-time

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recovery more manageable.  Also, undo recent change to add FILE_HEADER
and WASTED_SPACE records to XLOG; instead make the XLOG page header
variable-size with extra fields in the first page of an XLOG file.
This should fix the boundary-case bugs observed by Mark Kirkwood.
initdb forced due to change of XLOG representation.
This commit is contained in:
Tom Lane
2004-07-21 22:31:26 +00:00
parent 8d3517dc1f
commit 2042b3428d
26 changed files with 1322 additions and 982 deletions
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4
src/backend/commands/vacuumlazy.c
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@@ -31,7 +31,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/vacuumlazy.c,v 1.42 2004/06/05 19:48:07 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/vacuumlazy.c,v 1.43 2004/07/21 22:31:21 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -532,7 +532,7 @@ lazy_vacuum_page(Relation onerel, BlockNumber blkno, Buffer buffer,
recptr = log_heap_clean(onerel, buffer, unused, uncnt);
PageSetLSN(page, recptr);
PageSetSUI(page, ThisStartUpID);
PageSetTLI(page, ThisTimeLineID);
}
else
{