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Re: [PATCH v2 0/2] builtin/maintenance: improve heuristic for "rerere gc"

From
Patrick Steinhardt <ps@pks.im>
Date
Sep 7, 2026, 06:15 UTC
Message-ID
<ap5WiLQDzqdSyzvI@pks.im>
In-Reply-To
<xmqqfqzp6pir.fsf@gitster.g>
On Fri, Sep 04, 2026 at 07:48:44AM -0700, Junio C Hamano wrote:
Show 23 quoted lines
> Patrick Steinhardt <ps@pks.im> 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
Previous: Patrick Steinhardt
Message 17 of 17 in “builtin/maintenance: improve heuristic for "rerere gc"”
  1. 0/2 builtin/maintenance: improve heuristic for "rerere gc"Patrick Steinhardt, Sep 3, 2026
  2. 1/2 rerere: extract logic to determine whether entries are stalePatrick Steinhardt, Sep 3, 2026
  3. Derrick StoleeSep 3, 2026
  4. Patrick SteinhardtSep 4, 2026
  5. 2/2 builtin/maintenance: improve heuristic for "rerere gc"Patrick Steinhardt, Sep 3, 2026
  6. Derrick StoleeSep 3, 2026
  7. Patrick SteinhardtSep 4, 2026
  8. Thomas BachemSep 3, 2026
  9. 0/2 builtin/maintenance: improve heuristic for "rerere gc"Patrick Steinhardt, Sep 4, 2026
  10. 1/2 rerere: extract logic to determine whether entries are stalePatrick Steinhardt, Sep 4, 2026
  11. 2/2 builtin/maintenance: improve heuristic for "rerere gc"Patrick Steinhardt, Sep 4, 2026
  12. Derrick StoleeSep 4, 2026
  13. Junio C HamanoSep 4, 2026
  14. Junio C HamanoSep 4, 2026
  15. Thomas BachemSep 4, 2026
  16. Patrick SteinhardtSep 7, 2026
  17. Patrick SteinhardtSep 7, 2026

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