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help / color / mirror / Atom feedFrom: David Raymond <[email protected]>
To: Daniele Varrazzo <[email protected]>
Cc: [email protected] <[email protected]>
Subject: RE: CPU usage for queries, psycopg 2 vs 3
Date: Wed, 20 Sep 2023 14:27:27 +0000
Message-ID: <DB7PR07MB391650DB3D30B796DE2F81F687F9A@DB7PR07MB3916.eurprd07.prod.outlook.com> (raw)
In-Reply-To: <CA+mi_8Z0JkU0pu=dax5o3Hs0JUKf+9QOWbp3LsMJXLUk0Ke4Gw@mail.gmail.com>
References: <DB7PR07MB3916A230837909499A87EF3287E8A@DB7PR07MB3916.eurprd07.prod.outlook.com>
<CA+mi_8Z98u3Gq-3JrAbWRW7ar9hhPAO5umze==xgpEHdxdcPKQ@mail.gmail.com>
<DB7PR07MB39169ECBC7E0E02E8315982F87EEA@DB7PR07MB3916.eurprd07.prod.outlook.com>
<CA+mi_8Z0JkU0pu=dax5o3Hs0JUKf+9QOWbp3LsMJXLUk0Ke4Gw@mail.gmail.com>
Looks good. With the change it quietly idles while waiting for query results, with no CPU spike.
-David
> Hello David,
>
> On Thu, 7 Sept 2023 at 14:17, David Raymond <[email protected]> wrote:
>>
>> > Could you please be so kind as to repeat your tests with psycopg 3.1.4?
>> Tried with 3.1.4 and it has idle processor usage while waiting for the 8 results, just like psycopg2.
>> Tried with 3.1.5 and it spikes up to 62% reported CPU usage while waiting for the 8 results, just like the current release.
> I am not able to quickly investigate this issue, because I don't have
> a Windows machine handy. However I would like to release 3.1.11 soon,
> so I would like to merge this changeset, which should revert the wait
> function to what was in 3.1.4 on Windows:
> Are you able to test it to verify that CPU usage is regular with this changeset?
> Cheers
> -- Daniele
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To: [email protected]
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Subject: RE: CPU usage for queries, psycopg 2 vs 3
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