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From: David Turner <dturner@twopensource.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: Duy Nguyen <pclouds@gmail.com>,
	Git Mailing List <git@vger.kernel.org>,
	aevarb@gmail.com, jeffhost@microsoft.com
Subject: Re: [PATCH v3 03/16] index-helper: new daemon for caching index and related stuff
Date: Tue, 12 Apr 2016 20:32:04 -0400	[thread overview]
Message-ID: <1460507524.5540.73.camel@twopensource.com> (raw)
In-Reply-To: <xmqqfuuqr9ca.fsf@gitster.mtv.corp.google.com>

On Tue, 2016-04-12 at 11:05 -0700, Junio C Hamano wrote:
> > >  - access is slow (unless cached, but we can't be sure)
> > 
> > We could solve this (and the other problem) with mlock.
> 
> Probably you meant madvise(2)?
> 
> For something of a size comparable to the index file held by
> index-helper-daemon in-core, I'd expect we wouldn't page too
> badly.

No, I meant mlock -- but I guess that's not portable.  madvise with
MADV_WILLNEED will probably do the job.

  reply	other threads:[~2016-04-13  0:32 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-06 22:11 [PATCH v3 00/16] index-helper, watchman David Turner
2016-04-06 22:11 ` [PATCH v3 01/16] read-cache.c: fix constness of verify_hdr() David Turner
2016-04-06 22:11 ` [PATCH v3 02/16] read-cache: allow to keep mmap'd memory after reading David Turner
2016-04-06 22:11 ` [PATCH v3 03/16] index-helper: new daemon for caching index and related stuff David Turner
2016-04-07  6:21   ` Johannes Sixt
2016-04-07 14:14     ` Johannes Schindelin
2016-04-07 18:47       ` David Turner
2016-04-08 14:17         ` Johannes Schindelin
2016-04-08 11:26   ` Duy Nguyen
2016-04-08 22:16     ` David Turner
2016-04-11 23:27       ` David Turner
2016-04-12  9:40         ` Duy Nguyen
2016-04-12 17:28           ` David Turner
2016-04-12 18:05             ` Junio C Hamano
2016-04-13  0:32               ` David Turner [this message]
2016-04-14 10:43               ` Duy Nguyen
2016-04-14 18:12                 ` Junio C Hamano
2016-04-14 18:20                   ` David Turner
2016-04-15  0:16                   ` Duy Nguyen
2016-04-15  1:31                     ` Junio C Hamano
2016-04-06 22:11 ` [PATCH v3 04/16] index-helper: add --strict David Turner
2016-04-06 22:11 ` [PATCH v3 05/16] daemonize(): set a flag before exiting the main process David Turner
2016-04-06 22:11 ` [PATCH v3 06/16] index-helper: add --detach David Turner
2016-04-06 22:11 ` [PATCH v3 07/16] read-cache: add watchman 'WAMA' extension David Turner
2016-04-06 22:11 ` [PATCH v3 08/16] Add watchman support to reduce index refresh cost David Turner
2016-04-06 22:11 ` [PATCH v3 09/16] index-helper: use watchman to avoid refreshing index with lstat() David Turner
2016-04-07 22:47   ` Junio C Hamano
2016-04-07 22:52     ` Junio C Hamano
2016-04-08  0:14       ` David Turner
2016-04-08  6:03         ` Junio C Hamano
2016-04-06 22:11 ` [PATCH v3 10/16] update-index: enable/disable watchman support David Turner
2016-04-06 22:11 ` [PATCH v3 11/16] unpack-trees: preserve index extensions David Turner
2016-04-06 22:11 ` [PATCH v3 12/16] index-helper: kill mode David Turner
2016-04-06 22:11 ` [PATCH v3 13/16] index-helper: don't run if already running David Turner
2016-04-06 22:12 ` [PATCH v3 14/16] index-helper: autorun mode David Turner
2016-04-06 22:12 ` [PATCH v3 15/16] index-helper: optionally automatically run David Turner
2016-04-06 22:12 ` [PATCH v3 16/16] read-cache: config for waiting for index-helper David Turner

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