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Mon, 7 Sep 2026 02:15:40 -0400 (EDT) Received: by mail (OpenSMTPD) with ESMTPSA id 4f848508 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Mon, 7 Sep 2026 06:15:39 +0000 (UTC) Date: Mon, 7 Sep 2026 08:15:36 +0200 From: Patrick Steinhardt To: Junio C Hamano Cc: git@vger.kernel.org, Thomas Bachem , Derrick Stolee , Phillip Wood Subject: Re: [PATCH v2 0/2] builtin/maintenance: improve heuristic for "rerere gc" Message-ID: References: <20260903-b4-pks-maintenance-rerere-gc-heuristic-v1-0-9929c45a9788@pks.im> <20260904-b4-pks-maintenance-rerere-gc-heuristic-v2-0-b1691121fe1c@pks.im> Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, Sep 04, 2026 at 07:48:44AM -0700, Junio C Hamano wrote: > Patrick Steinhardt writes: > > > Hi, > > > > as reported and discussed in [1]. Thanks! > > Can you, and everybody else, refrain from forcing all readers to > visit a different message to understand what it is? It does not > help that [1] is a full description of both problem and solution > that is not designed to be a summary to begin with, and to add > insult to injury, it is AI slop wall of text that mistakenly thinks > that more is better. > > Perhaps you could have distilled the essense down to several lines? > > Since Git 2.54, background maintenance triggers after a commit > runs "git rerere gc", which acquires the MERGE_RR.lock. During > rebase, a subsequent sequencer commit also tries to acquire this > lock within milliseconds. Due to use of LOCK_DIE_ON_ERROR, > whichever arrives second aborts, causing rebase failures. > > I'll leave it as an exercise to readers to summarize the solution > part that this series (not the original one) proposes to make. Fair, will adapt going forward. Patrick