From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 11 Jan 2017 20:41:32 GMT
Subject: Re: [PATCH v1] convert: add "status=delayed" to filter process protocol
Message-ID: <xmqqo9zdnxc3.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <17fa31a5-8689-2766-952b-704f433a5b3a@gmail.com>

Jakub Narębski <jnareb@gmail.com> writes:

>> Yes, this problem happens every day with filters that perform network
>> requests (e.g. GitLFS). 
>
> Do I understand it correctly that the expected performance improvement
> thanks to this feature is possible only if there is some amount of
> parallelism and concurrency in the filter?  That is, filter can be sending
> one blob to Git while processing other one, or filter can be fetching blobs
> in parallel.

The first-object latency may not be helped, but by allowing
"delayed", the latency to retrieve the second and subsequent objects
can be hidden, I would think.