| From: | Ron <ronljohnsonjr(at)gmail(dot)com> |
|---|---|
| To: | pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: When do vacuumed pages/tuples become available for reuse? |
| Date: | 2019-04-11 17:26:56 |
| Message-ID: | f905f3ea-76fa-bc7b-696b-4eae79f4c506@gmail.com |
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| Lists: | pgsql-general |
On 4/11/19 12:24 PM, Tom Lane wrote:
> Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
>> On 2019-Apr-11, rihad wrote:
>>> 2019-04-11 19:39:44.450844500 tuples: 19150 removed, 2725811 remain, 465 are dead but not yet removable
>> What Jeff said. This vacuum spent a lot of time, only to remove miserly
>> 19k tuples, but 2.7M dead tuples remained ... probably because you have
>> long-running transactions preventing vacuum from removing them.
> I think you misread it --- I'm pretty sure "N remain" is referring
> to live tuples.
Because "465 are dead but not yet removable" are the dead tuples that remain
instead of 2.7M?
> Maybe we should adjust the wording to make that
> clearer?
>
> regards, tom lane
--
Angular momentum makes the world go 'round.
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