From: | Huan Ruan <leohuanruan(at)gmail(dot)com> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: BUG #14530: Logical Decoding Slowness |
Date: | 2017-02-10 05:33:17 |
Message-ID: | CAGgcTZuiKhQh_C5WsCaofuE7HfZoBgDrqf9m4QxG2J28mCnVow@mail.gmail.com |
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Lists: | pgsql-bugs |
Hi Andres
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
DDL:
+ 93.88% 0.00% postgres postgres [.]
ExecMakeTableFunctionResult
+ 93.88% 0.00% postgres postgres [.]
pg_logical_slot_get_changes_guts
+ 93.83% 0.01% postgres postgres [.]
LogicalDecodingProcessRecord
+ 93.78% 1.10% postgres postgres [.]
ReorderBufferCommit
+ 87.69% 3.12% postgres postgres [.]
LocalExecuteInvalidationMessage
+ 46.32% 46.21% postgres postgres [.]
CatalogCacheIdInvalidate
+ 37.17% 0.37% postgres postgres [.]
RelfilenodeMapInvalidateCallback
+ 36.71% 36.46% postgres postgres [.]
hash_seq_search
+ 4.92% 4.91% postgres postgres [.]
CallSyscacheCallbacks
Regards
Huan
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