Postgres Pro
Downloads
Home   >   mailing lists

Re: BUG #17307: Performance deviation between the multiple iterations (NOPM & TPM values). - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #17307: Performance deviation between the multiple iterations (NOPM & TPM values).
Date
Msg-id 2117835.1638471154@sss.pgh.pa.us
Whole thread Raw
In response to BUG #17307: Performance deviation between the multiple iterations (NOPM & TPM values).  (PG Bug reporting form <noreply@postgresql.org>)
Responses Re: BUG #17307: Performance deviation between the multiple iterations (NOPM & TPM values).  (HPC Researcher <researcherhpc@gmail.com>)
List pgsql-bugs
Tree view 
PG Bug reporting form <noreply@postgresql.org> writes:
> NOPM values captured with HammerDB-v4.3 scripts (schema_tpcc.tcl and
> test_tpcc.tcl ) for multiple trails.
> The expected performance deviation between multiple trials should be less
> than 2% 

According to who?  Even if you'd provided an easily reproducible
example, I doubt we'd accept this as a bug.  Adding more sessions
does not have zero cost.

            regards, tom lane

pgsql-bugs by date:

Previous
From: Tom Lane
Date:
Subject: Re: Inconsistent cast to "char"
Next
From: "Ian R. Campbell"
Date:
Subject: Re: Inconsistent cast to "char"