From: Junio C Hamano <gitster@pobox.com>
To: David Turner <dturner@twopensource.com>
Cc: git@vger.kernel.org, pclouds@gmail.com,
Ramsay Jones <ramsay@ramsayjones.plus.com>
Subject: Re: [PATCH v6 03/19] index-helper: new daemon for caching index and related stuff
Date: Fri, 29 Apr 2016 13:47:55 -0700 [thread overview]
Message-ID: <xmqq60v0xhtw.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <1461955617.4123.37.camel@twopensource.com> (David Turner's message of "Fri, 29 Apr 2016 14:46:57 -0400")
David Turner <dturner@twopensource.com> writes:
> Per working tree/repository, yes (not quite per-index because working
> trees with split indexes have two).
Heh, I consider "split index" merely an implementation detail of a
(logical) single index file that happens to be represented with two
physical files.
Anyway, thanks for clarification.
> Why do we try to avoid select(2)? It seems marginally less efficient
> for small numbers of fds, and might not scale to large numbers of fds,
> but we're not using it in a performance-critical way, and we only care
> about one fd at a time.
Just that having to deal with two APIs that do very similar things
is less preferrable than just using one that was designed later by
those who learned lessons while using the older one.
next prev parent reply other threads:[~2016-04-29 20:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-27 20:04 [PATCH v6 00/19] index-helper/watchman David Turner
2016-04-27 20:04 ` [PATCH v6 01/19] read-cache.c: fix constness of verify_hdr() David Turner
2016-04-27 20:04 ` [PATCH v6 02/19] read-cache: allow to keep mmap'd memory after reading David Turner
2016-04-27 20:04 ` [PATCH v6 03/19] index-helper: new daemon for caching index and related stuff David Turner
2016-04-28 18:58 ` Junio C Hamano
2016-04-29 18:46 ` David Turner
2016-04-29 20:47 ` Junio C Hamano [this message]
2016-05-01 0:22 ` Duy Nguyen
2016-04-27 20:04 ` [PATCH v6 04/19] index-helper: add --strict David Turner
2016-04-27 20:04 ` [PATCH v6 05/19] index-helper: log warnings David Turner
2016-04-27 20:04 ` [PATCH v6 06/19] daemonize(): set a flag before exiting the main process David Turner
2016-04-27 20:04 ` [PATCH v6 07/19] index-helper: add --detach David Turner
2016-04-27 20:04 ` [PATCH v6 08/19] read-cache: add watchman 'WAMA' extension David Turner
2016-04-27 20:04 ` [PATCH v6 09/19] Add watchman support to reduce index refresh cost David Turner
2016-04-27 20:04 ` [PATCH v6 10/19] index-helper: use watchman to avoid refreshing index with lstat() David Turner
2016-04-27 20:04 ` [PATCH v6 11/19] update-index: enable/disable watchman support David Turner
2016-04-27 20:04 ` [PATCH v6 12/19] unpack-trees: preserve index extensions David Turner
2016-04-27 20:04 ` [PATCH v6 13/19] watchman: add a config option to enable the extension David Turner
2016-04-27 20:04 ` [PATCH v6 14/19] index-helper: kill mode David Turner
2016-04-27 20:04 ` [PATCH v6 15/19] index-helper: don't run if already running David Turner
2016-04-27 20:04 ` [PATCH v6 16/19] index-helper: autorun mode David Turner
2016-04-27 20:04 ` [PATCH v6 17/19] index-helper: optionally automatically run David Turner
2016-04-27 20:04 ` [PATCH v6 18/19] Add tracing to measure where most of the time is spent David Turner
2016-04-27 20:04 ` [PATCH v6 19/19] untracked-cache: config option David Turner
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