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Diffstat (limited to 'src/backend/storage/buffer/README')
| -rw-r--r-- | src/backend/storage/buffer/README | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/storage/buffer/README b/src/backend/storage/buffer/README index 057f817b7e4..696e5e8c305 100644 --- a/src/backend/storage/buffer/README +++ b/src/backend/storage/buffer/README @@ -1,4 +1,4 @@ -$PostgreSQL: pgsql/src/backend/storage/buffer/README,v 1.14 2008/03/21 13:23:28 momjian Exp $ +$PostgreSQL: pgsql/src/backend/storage/buffer/README,v 1.15 2008/11/06 20:51:14 tgl Exp $ Notes About Shared Buffer Access Rules ====================================== @@ -235,6 +235,10 @@ buffers were sent to the freelist, which was effectively a buffer ring of 1 buffer, resulting in excessive WAL flushing. Allowing VACUUM to update 256KB between WAL flushes should be more efficient. +Bulk writes work similarly to VACUUM. Currently this applies only to +COPY IN and CREATE TABLE AS SELECT. (Might it be interesting to make +seqscan UPDATE and DELETE use the bulkwrite strategy?) + Background Writer's Processing ------------------------------ |