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From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: Re: [PATCH] inboxidle: avoid needless syscalls on refresh
Date: Sat, 26 Dec 2020 20:11:15 +0000	[thread overview]
Message-ID: <20201226201115.GA30142@dcvr> (raw)
In-Reply-To: <20201226093631.14313-1-e@80x24.org>

Eric Wong <e@80x24.org> wrote:
> We don't have to replace a bunch of existing watches
> with identical new ones.  On Linux with Linux::Inotify2
> installed, this avoids a storm of inotify_add_watch(2)
> and inotify_rm_watch(2) syscalls on SIGHUP with -imapd
> and "-extindex --watch"

Addendum: this seems to fix missed wakeups after SIGHUP with
many (50K) inboxes, I'm not sure if there's some other threshold
that's missing or if there's a bug somewhere else...

      reply	other threads:[~2020-12-26 20:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-26  9:36 [PATCH] inboxidle: avoid needless syscalls on refresh Eric Wong
2020-12-26 20:11 ` Eric Wong [this message]

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