Re: pgbench - compute & show latency consistently

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От Kuntal Ghosh
Тема Re: pgbench - compute & show latency consistently
Дата
Msg-id CAGz5QCJjBxLgqt9=uC3gRJUnTGh6BZsMivs7iyPLw0LD_TURsw@mail.gmail.com
обсуждение исходный текст
Ответ на pgbench - compute & show latency consistently  (Fabien COELHO <coelho@cri.ensmp.fr>)
Ответы Re: pgbench - compute & show latency consistently  (Heikki Linnakangas <hlinnaka@iki.fi>)
Список pgsql-hackers
On Thus, July 7,2016 at 08:39 PM, Fabien COELHO <coelho@cri.ensmp.fr> wrote:
> Also there is still the bug under -t which displays a 0 latency.
Your patch clearly fixed the issue.

> The attached patch still fixes that and make it consistent the other way
> around, i.e. by using "=" for latency. I switched to use ":" for weight
> which is an input parameter. I let ":" when there is a long sentence to
> describe the figure displayed, more on aesthetic grounds.
In the above context, I suggest few other changes.

Present output-> progress: 1.0 s, 1221.0 tps, lat 0.816 ms stddev 0.272
Suggestion-> progress: 1.0 s, 1221.0 tps, lat avg 0.816 ms stddev 0.272 ms

Present output->
SQL script 1: so.sql  - weight = 1 (targets 50.0% of total)  - 10010 transactions (50.1% of total, tps = 100.101872)  -
latencyaverage = 1.878 ms  - latency stddev = 3.614 ms
 
Suggestion->
SQL script 1: so.sql  - weight = 1 (targets 50.0% of total)  - 10010 transactions (50.1% of total)  - tps = 100.101872
-latency average = 1.878 ms  - latency stddev = 3.614 ms
 

Apart from that, pgbench.sgml should be updated to reflect latency
average in the output.

-- 
Thanks & Regards,
Kuntal Ghosh
EnterpriseDB: http://www.enterprisedb.com



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