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From: Jens Lehmann <Jens.Lehmann@web.de>
To: Stefan Beller <sbeller@google.com>
Cc: "git@vger.kernel.org" <git@vger.kernel.org>,
	Ramsay Jones <ramsay@ramsayjones.plus.com>,
	Jacob Keller <jacob.keller@gmail.com>, Jeff King <peff@peff.net>,
	Junio C Hamano <gitster@pobox.com>,
	Jonathan Nieder <jrnieder@gmail.com>,
	Johannes Schindelin <johannes.schindelin@gmail.com>,
	Eric Sunshine <ericsunshine@gmail.com>,
	Johannes Sixt <j6t@kdbg.org>
Subject: Re: [PATCHv3 08/11] fetching submodules: respect `submodule.jobs` config option
Date: Wed, 11 Nov 2015 20:55:10 +0100	[thread overview]
Message-ID: <56439D1E.8080102@web.de> (raw)
In-Reply-To: <CAGZ79kbqedWRDADChorvWhcmyjO4iZqt4WO8KSo917pxWgr4Rg@mail.gmail.com>

Am 10.11.2015 um 23:29 schrieb Stefan Beller:
> On Tue, Nov 10, 2015 at 2:21 PM, Jens Lehmann <Jens.Lehmann@web.de> wrote:
>>> +submodule.jobs::
>>> +       This is used to determine how many submodules can be operated on in
>>> +       parallel. Specifying a positive integer allows up to that number
>>> +       of submodules being fetched in parallel. This is used in fetch
>>> +       and clone operations only. A value of 0 will give some reasonable
>>> +       configuration. It defaults to 1.
>>> +
>>
>>
>> Just curious (and sorry if this has already been discussed and I missed
>> it, but the volume of your output is too much for my current git time
>> budget ;-): While this config is for fetching only, do I recall correctly
>> that you have plans to do submodule work tree updates in parallel too?
>> If so, would it make sense to have different settings for fetching and
>> updating?
>
> TL;DR: checkout is serial, network-related stuff only will be using
> submodule.jobs

My point being: isn't "jobs" a bit too generic for a config option that
is only relevant for network-related stuff? Maybe "submodule.fetchJobs"
or similar would be better, as you are already thinking about adding
other parallelisms with different constraints later?

> In the next series (origin/sb/submodule-parallel-update) this is reused for
> fetches, clones, so only the network stuff. The checkout (as all local
> operations)
> is still done serially, as then you don't run into problems in
> parallel at the same time.
> (checkouts may be parallelized but I haven't done that yet, and postpone that
> until it has settled a bit more)

Makes sense.

  reply	other threads:[~2015-11-11 19:55 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-04  0:37 [PATCHv3 00/11] Expose the submodule parallelism to the user Stefan Beller
2015-11-04  0:37 ` [PATCHv3 01/11] run_processes_parallel: delimit intermixed task output Stefan Beller
2015-11-04  0:37 ` [PATCHv3 02/11] run-command: report failure for degraded output just once Stefan Beller
2015-11-04 18:14   ` Junio C Hamano
2015-11-04 20:14     ` Stefan Beller
2015-11-04 20:36       ` Johannes Sixt
2015-11-04 21:01         ` Junio C Hamano
2015-11-04 22:56           ` Jeff King
2015-11-05  2:05             ` Junio C Hamano
2015-11-05  6:51               ` Jeff King
2015-11-05  7:32                 ` Junio C Hamano
2015-11-05 17:37                   ` Stefan Beller
2015-11-04 20:42       ` Junio C Hamano
2015-11-04 21:04         ` Stefan Beller
2015-11-04 21:19           ` Junio C Hamano
2015-11-04 21:41             ` Stefan Beller
2015-11-04  0:37 ` [PATCHv3 03/11] run-command: omit setting file descriptors to non blocking in Windows Stefan Beller
2015-11-04  0:37 ` [PATCHv3 04/11] submodule-config: keep update strategy around Stefan Beller
2015-11-04  0:37 ` [PATCHv3 05/11] submodule-config: drop check against NULL Stefan Beller
2015-11-04  0:37 ` [PATCHv3 06/11] submodule-config: remove name_and_item_from_var Stefan Beller
2015-11-04  0:37 ` [PATCHv3 07/11] submodule-config: introduce parse_generic_submodule_config Stefan Beller
2015-11-04  0:37 ` [PATCHv3 08/11] fetching submodules: respect `submodule.jobs` config option Stefan Beller
2015-11-10 22:21   ` Jens Lehmann
2015-11-10 22:29     ` Stefan Beller
2015-11-11 19:55       ` Jens Lehmann [this message]
2015-11-11 23:34         ` Stefan Beller
2015-11-13 20:47           ` Jens Lehmann
2015-11-13 21:29             ` Stefan Beller
2015-11-04  0:37 ` [PATCHv3 09/11] git submodule update: have a dedicated helper for cloning Stefan Beller
2015-11-04  0:37 ` [PATCHv3 10/11] submodule update: expose parallelism to the user Stefan Beller
2015-11-04  0:37 ` [PATCHv3 11/11] clone: allow an explicit argument for parallel submodule clones Stefan Beller
2015-11-04 17:54 ` [PATCHv3 00/11] Expose the submodule parallelism to the user Junio C Hamano
2015-11-04 18:08   ` Stefan Beller
2015-11-04 18:17     ` Junio C Hamano

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