Re: Detect missing combined indexes (automatically)

Hi Julien Rouhaud,

powa can handle multi-column indexes now? Great news. This must be a new
feature. I checked this roughly one year ago and it was not possible at this time.
Thank you very much powa!

Regards,
  Thomas Güttler

Am 14.01.19 um 08:42 schrieb Julien Rouhaud:
> On Mon, Jan 14, 2019 at 8:20 AM Thomas Kellerer <spam_eater@gmx.net> wrote:
>>
>> Thomas Güttler schrieb am 10.01.2019 um 13:56:
>>> Is there a way to detect missing combined indexes automatically
>>>
>>> I am managing a lot of databases and I think a lot of performance
>>> could get gained.
>>>
>>> But I don't want to do this manually.
>>>
>>> My focus is on missing combined indexes, since for missing
>>> single indexes there are already tools available.
>>
>> The PoWA monitoring tool contains an extension to suggest missing indexes.
>>
>> I don't know if that includes multi-column indexes though, but it might be worth a try:
>>
>>      https://powa.readthedocs.io/en/latest/stats_extensions/pg_qualstats.html
> 
> Yes, it can handle multi-column indexes.
> 

-- 
Thomas Guettler http://www.thomas-guettler.de/
I am looking for feedback: https://github.com/guettli/programming-guidelines