> My test was run with synchronous_commit=off, so I didn't expect the > group commit patch to have much of an impact. I included it mostly to > see whether by chance it helped anyway (since it also helps other WAL > flushes, not just commits) or whether it caused any regression.
Oh, I see. > One somewhat odd thing about these numbers is that, on permanent > tables, all of the patches seemed to show regressions vs. master in > single-client throughput. That's a slightly difficult result to > believe, though, so it's probably a testing artifact of some kind. Maybe kernel cache effect? -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese: http://www.sraoss.co.jp -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
