Re: How to find out unused indexes?

Thanks.

how about the case as follows?

idx_scan = 0 and idx_tup_read = 0 and idx_tup_fetch = 0, but
idx_blks_read is not 0 and idx_blks_hit is not 0
?

regards

On 3 Sep 2013, at 5:31 PM, Abdul Sayeed wrote:

> Hi,
>
> Below query can be handy to find unused indexes.
>
> select indexrelname from pg_stat_user_indexes where idx_scan = 0 and idx_tup_read = 0 and idx_tup_fetch = 0 ;
>
> Hope it helps.
>
>
>
> Thanks & Regards,
> Abdul Sayeed
> EnterpriseDB Corporation - RDBA Team
> The Postgres Database Company
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> On Tue, Sep 3, 2013 at 12:14 PM, Raghavendra <raghavendra(dot)rao(at)enterprisedb(dot)com> wrote:
> On Tue, Sep 3, 2013 at 11:36 AM, ascot(dot)moss(at)gmail(dot)com <ascot(dot)moss(at)gmail(dot)com> wrote:
> Hi,
>
> Can you please advise how to find out all unused indexes in PG?
>
> regards
>
> Below wiki link should help; under "Unused Index" section:
>
> http://wiki.postgresql.org/wiki/Index_Maintenance
>
> ---
> Regards,
> Raghavendra
> EnterpriseDB Corporation
> Blog: http://raghavt.blogspot.com/
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