| From: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
|---|---|
| To: | Tomáš Uko <uko(at)avast(dot)com> |
| Cc: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, PostgreSQL General <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Lock contention in TransactionIdIsInProgress() |
| Date: | 2016-10-07 13:36:12 |
| Message-ID: | CAHyXU0w+kT0M4TKtAmp4zavob7TyR6kX8nj5gOEsktV486Zhiw@mail.gmail.com |
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| Lists: | pgsql-general |
On Wed, Oct 5, 2016 at 5:38 AM, Tomáš Uko <uko(at)avast(dot)com> wrote:
> Hi Jeff,
>
>
>
> We have encountered same problem as you (in 9.5.4), it seems that so far it
> hasn’t been ported back from 9.6, but if you take this commit and apply it
> to 9.5 source codes, it seems to be working
>
> But anyway, does anybody knows plans about backporting this to 9.5 official
> way?
Won't happen. Only bugs get ported back, and performance enhancements
generally don't qualify (in very exceptional cases they might but this
issue is a routine performance enhancement). Basically you have to
decide to update or stay with 9.5.
merlin
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