From: James Cloos <cloos@jhcloos.com>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Eric S Fraga <e.fraga@ucl.ac.uk>, ding@gnus.org
Subject: Re: is nnmaildir very slow?
Date: Fri, 17 May 2019 13:46:25 -0400 [thread overview]
Message-ID: <m3sgtdc6tq.fsf@carbon.jhcloos.org> (raw)
In-Reply-To: <87bm02qdrm.fsf@igel.home> (Andreas Schwab's message of "Thu, 16 May 2019 23:40:29 +0200")
>>>>> "AS" == Andreas Schwab <schwab@linux-m68k.org> writes:
AS> On Mai 16 2019, James Cloos <cloos@jhcloos.com> wrote:
>> On top of that bug, part of the issue is using the filesystem as a
>> database. Anything using that style of storage suffers a superlinear
>> delay as the size grows.
AS> Not necessarily. Modern file systems have sublinear directory lookups.
That is not the only issue.
Cache presure is often a huge issue.
nnmaildir triggered emacs' gc much more often.
Of course with ssds and 32g ram my current workstation is vastly better.
But gnus is still *slow* running gnus-group-get-new-news.
-JimC
--
James Cloos <cloos@jhcloos.com> OpenPGP: 0x997A9F17ED7DAEA6
prev parent reply other threads:[~2019-05-17 17:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 5:32 Eric S Fraga
2019-05-16 15:04 ` George Clemmer
2019-05-16 21:00 ` Eric S Fraga
2019-05-16 16:22 ` Eric Abrahamsen
2019-05-16 21:01 ` Eric S Fraga
2019-05-16 21:29 ` Eric Abrahamsen
2019-05-17 6:02 ` Eric S Fraga
2019-05-18 10:53 ` George Clemmer
2019-05-19 9:20 ` Eric S Fraga
2019-05-20 9:53 ` Eric S Fraga
2019-05-24 21:26 ` Eric Abrahamsen
2019-05-25 9:23 ` Eric S Fraga
2019-05-16 17:27 ` James Cloos
2019-05-16 21:02 ` Eric S Fraga
2019-05-16 21:40 ` Andreas Schwab
2019-05-17 17:46 ` James Cloos [this message]
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