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From: Jeff King <peff@peff.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: Jonathan Tan <jonathantanmy@google.com>, git@vger.kernel.org
Subject: Re: [ANNOUNCE] Git v2.29.0-rc0
Date: Wed, 7 Oct 2020 11:39:47 -0400	[thread overview]
Message-ID: <20201007153947.GA181281@coredump.intra.peff.net> (raw)
In-Reply-To: <xmqqa6x070tn.fsf@gitster.c.googlers.com>

On Mon, Oct 05, 2020 at 03:41:24PM -0700, Junio C Hamano wrote:

>  * "git index-pack" learned to resolve deltified objects with greater
>    parallelism.

I noticed a small regression in v2.29 today: we no longer seem to show
progress during the delta resolution phase of index-pack.

E.g., try this in a clone of git.git (or really any decent-sized repo
where the delta resolution takes a few seconds):

  # simulate the pack we'd get from a clone or big fetch
  git pack-objects --all --stdout >foo.pack </dev/null

  # now simulate the index-pack on the receiving side
  rm -rf repo
  git init repo &&
  (cd repo && git index-pack -v --stdin <../foo.pack)

You should see the:

  Receiving objects: 100% (300970/300970), 74.39 MiB | 57.93 MiB/s, done.

progress. We used to follow that with:

  Resolving deltas: 100% (249340/249340), done.

but now you get nothing for several seconds while we resolve deltas.

The problem bisects to f08cbf60fe (index-pack: make quantum of work
smaller, 2020-09-08) at the tip of jt/threaded-index-pack. I haven't dug
further yet.

-Peff

  parent reply	other threads:[~2020-10-07 15:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-05 22:41 [ANNOUNCE] Git v2.29.0-rc0 Junio C Hamano
2020-10-05 23:33 ` Bryan Turner
2020-10-05 23:42 ` Randall S. Becker
2020-10-06  3:57 ` Martin Ågren
2020-10-06  6:08   ` Junio C Hamano
2020-10-07  9:54 ` Ævar Arnfjörð Bjarmason
2020-10-07 15:39 ` Jeff King [this message]
2020-10-07 15:45   ` Jeff King
2020-10-07 17:38     ` Junio C Hamano
2020-10-07 18:17       ` [PATCH 0/3] jt/threaded-inex-pack leftovers Jeff King
2020-10-07 18:19         ` [PATCH 1/3] index-pack: restore "resolving deltas" progress meter Jeff King
2020-10-07 18:50           ` Junio C Hamano
2020-10-07 18:19         ` [PATCH 2/3] index-pack: drop type_cas mutex Jeff King
2020-10-07 20:09           ` Jonathan Tan
2020-10-07 18:19         ` [PATCH 3/3] index-pack: stop mentioning find_unresolved_deltas() Jeff King
2020-10-07 18:41       ` [ANNOUNCE] Git v2.29.0-rc0 Jonathan Tan
2020-10-07 18:48         ` Jeff King
2020-10-07 20:16           ` [PATCH] index-pack: make get_base_data() comment clearer Jonathan Tan
2020-10-07 20:46             ` Junio C Hamano
2020-10-07 22:28 ` [ANNOUNCE] Git v2.29.0-rc0 Philippe Blain
2020-10-09 19:51 ` Randall S. Becker

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