Re: [BUGS] BUG #14530: Logical Decoding Slowness
От | Andres Freund |
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Тема | Re: [BUGS] BUG #14530: Logical Decoding Slowness |
Дата | |
Msg-id | 20170210054344.iorgrrtfpf7jshhq@alap3.anarazel.de обсуждение исходный текст |
Ответ на | Re: [BUGS] BUG #14530: Logical Decoding Slowness (Huan Ruan <leohuanruan@gmail.com>) |
Ответы |
Re: [BUGS] BUG #14530: Logical Decoding Slowness
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Список | pgsql-bugs |
Hi, On 2017-02-10 05:33:17 +0000, Huan Ruan wrote: > I might have given you the create table perf data for the subtran case. > > We profiled again with debug info on today, and the results are > > Subtran: > > Children Self Command Shared Object Symbol > + 94.84% 0.00% postgres postgres [.] > ExecMakeTableFunctionResult > + 94.84% 0.00% postgres postgres [.] > pg_logical_slot_get_changes_guts > + 94.80% 0.00% postgres postgres [.] > LogicalDecodingProcessRecord > + 94.45% 0.03% postgres postgres [.] > ReorderBufferCommit > + 94.19% 0.01% postgres postgres [.] > ReorderBufferCleanupTXN > + 94.11% 0.01% postgres postgres [.] > ReorderBufferReturnChange > + 94.08% 93.40% postgres postgres [.] > AllocSetFree Could you give a bit more detail abou thtis one - it indeed looks like different profile, but it's hard to nail down without more lines... Andres -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
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