Re: Postgres 9.3 beta log

On 08/10/2013 04:21 PM, Bruce Momjian wrote:
> On Sat, Aug 10, 2013 at 06:38:57AM +0000, Arvind Singh wrote:
>> as you can see it is for a single record "login88193" it places
>>
>> PARSER STATISTICS
>> PARSE ANALYSIS STATISTICS
>> REWRITER STATISTICS
>>
>> I know it appers because i have enabled log_parser_* options in log
>>
>> But what i request to know is the meaning of these statistics and how usefull
>> is can be for a server load  evaluation
>
> You should look get the getrusage manual pages for the meaning of the
> values, and perhaps this for the meaning of these stages of a query:
>
>     http://www.postgresql.org/developer/backend/

true - but it seems a bit dubious that all of them show basically zero
(or a constant time)



Stefan