Hello Amit,

On Tue, Mar 7, 2017 at 4:24 PM, Amit Langote
<langote_amit...@lab.ntt.co.jp> wrote:
> Hi Kuntal,
>
> Patches apply and compile fine.  Works as advertised.
>
> Some minor comments on the patches themselves.
>
Thanks for the review.

> In 0001:
>
> - * pgstat_bestart() -
> + * pgstat_procstart() -
> + *
> + *  Initialize this process's entry in the PgBackendStatus array.
> + *  Called from InitPostgres and AuxiliaryProcessMain.
>
> Not being called from AuxiliaryProcessMain().  Maybe leftover comment from
> a previous version.  Actually I see that in patch 0002, Main() functions
> of various auxiliary processes call pgstat_procstart, not
> AuxiliaryProcessMain.
>
Fixed.

> +     * user-defined functions which expects ids of backends starting from
> 1 to
>
> s/expects/expect/g
>
Fixed.

> +/*
> + * AuxiliaryPidGetProc -- get PGPROC for an auxiliary process
> + * given its PID
> + *
> + * Returns NULL if not found.
> + */
> +PGPROC *
> +AuxiliaryPidGetProc(int pid)
> +{
> +    PGPROC     *result;
>
> Initialize to NULL so that the comment above is true. :)
>
Fixed.

> In 0002:
>
> @@ -248,6 +248,9 @@ BackgroundWriterMain(void)
>       */
>      prev_hibernate = false;
>
> +    /* report walwriter process in the PgBackendStatus array */
> +    pgstat_procstart();
> +
>
> s/walwriter/writer/g
Fixed.

> Patch 0004 should update monitoring.sgml.
Added.

I've attached the updated patches. PFA.


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

Attachment: 0001-Infra-to-expose-non-backend-processes-in-pg_stat_get.patch
Description: binary/octet-stream

Attachment: 0002-Expose-stats-for-auxiliary-processes-in-pg_stat_get_.patch
Description: binary/octet-stream

Attachment: 0003-Expose-stats-for-autovacuum-launcher-and-bgworker.patch
Description: binary/octet-stream

Attachment: 0004-Add-proc_type-column-in-pg_stat_get_activity.patch
Description: binary/octet-stream

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