| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | chjischj(at)163(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #15187: When use huge page, there may be a lot of hanged connections with status startup or authentication |
| Date: | 2018-05-04 16:54:34 |
| Message-ID: | 20180504165434.ftebintpujrhjclf@alap3.anarazel.de |
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| Lists: | pgsql-bugs |
On 2018-05-04 12:46:40 -0400, Tom Lane wrote:
> =?utf-8?q?PG_Bug_reporting_form?= <noreply(at)postgresql(dot)org> writes:
> > Operating system: CentOS release 6.5
>
> > When use huge page, there may be a lot of hanged connections with status
> > startup or authentication state when multiple concurrent query operations
> > are performed.
>
> So don't do that. RHEL6 kernels are pretty ancient at this point,
> and are known to have performance issues with huge pages.
They're known to have perf issues with *transparent* huge pages, not
huge pages, right?
Chen, have you disabled transparent hugepages and zone reclaim?
Greetings,
Andres Freund
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