"resource exhausted" in CI

[Brandon Allbery]

Um, also this seems to have jumped threads; the subject of this message was
a different issue, about disk space. Is that part of the confusion?

On Thu, Jan 24, 2019 at 5:53 PM Brandon Allbery <allbery.b at gmail.com> wrote:

> Rebase is more or less stashing and removing all local commits, upgrading
> the underlying branch to current, then re-applying the local commits. This
> changes the commit hashes for any re-applied commit that lands on a change
> to the underlying branch, meaning that old commit hashes can be invalid
> afterward.
>
> (This is also why force-pushing causes problems, since this is only
> visible in a local tree *unless* force-pushed upstream, meaning now those
> changed/deleted commits affect anyone else who has checked out that
> upstream branch. The normal process of upstreaming commits can't expose
> local changes like that, since it all goes upstream as a group and becomes
> a permanent part of the branch's history. Unless someone force-pushes the
> branch afterward, forcibly overwriting that history with a different one
> and leaving anyoneelse who'd checked out the branch with dangling commits
> that no longer exist.)
>
> Here, CI is making a copy of someone's branch and testing each commit in
> turn to ensure consistency between multiple branches that touch the same
> code, whose commits may end up interleaved. If the branch is rebased or
> force-pushed during that testing, intermediate commits may become invalid
> as above and CI would need to start over with a new list of commits.
>
> On Thu, Jan 24, 2019 at 5:43 PM Simon Peyton Jones via ghc-devs <
> ghc-devs at haskell.org> wrote:
>
>> | Ah, yes -- I did push a rebase. OK: good to know that this is expected
>> | behavior after rebasing (makes sense).
>>
>> Does not make sense (yet) to me.
>>
>> Can someone explain (and perhaps document) the workflow here?
>>
>> Simon
>>
>> | -----Original Message-----
>> | From: ghc-devs <ghc-devs-bounces at haskell.org> On Behalf Of Richard
>> | Eisenberg
>> | Sent: 24 January 2019 19:22
>> | To: Ben Gamari <ben at smart-cactus.org>
>> | Cc: GHC developers <ghc-devs at haskell.org>
>> | Subject: Re: "resource exhausted" in CI
>> |
>> | Ah, yes -- I did push a rebase. OK: good to know that this is expected
>> | behavior after rebasing (makes sense).
>> |
>> | Thanks,
>> | Richard
>> |
>> | > On Jan 24, 2019, at 2:01 PM, Ben Gamari <ben at smart-cactus.org> wrote:
>> | >
>> | > Richard Eisenberg <rae at cs.brynmawr.edu> writes:
>> | >
>> | >> Something is awry:
>> |
>> https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.ha
>> | skell.org%2Frae%2Fghc%2F-
>> | %2Fjobs%2F16908&data=02%7C01%7Csimonpj%40microsoft.com
>> %7C375c6daea23444
>> |
>> 7c3d2808d682314861%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C63683954552
>> |
>> 1260172&sdata=8OYI5PAk7B6P%2B%2BoJbqgeqPbTR%2BMH6F8Wm34ThdBhRL0%3D&
>> | reserved=0 never got off the ground.
>> | >>
>> | > It is possible that you pushed a rebase? This error generally means
>> that
>> | > the commit is no longer accessible which may happen when you push a
>> | > rebase.
>> | >
>> | > I believe I cited the job for the current version of the patch [1] in
>> my
>> | > previous email. Note that the commit SHA is different between [1] and
>> | > the job you cited.
>> | >
>> | > Cheers,
>> | >
>> | > - Ben
>> | >
>> | >
>> | > [1]
>> |
>> https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.ha
>> | skell.org%2Frae%2Fghc%2F-
>> | %2Fjobs%2F16913&data=02%7C01%7Csimonpj%40microsoft.com
>> %7C375c6daea23444
>> |
>> 7c3d2808d682314861%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C63683954552
>> |
>> 1260172&sdata=wM0hlN60tQmsDtsXS%2BIqLzeAqhgK6RmUoEDzYG2b%2FhI%3D&re
>> | served=0
>> |
>> | _______________________________________________
>> | ghc-devs mailing list
>> | ghc-devs at haskell.org
>> |
>> https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail.haske
>> | ll.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fghc-
>> | devs&data=02%7C01%7Csimonpj%40microsoft.com
>> %7C375c6daea234447c3d2808d68
>> |
>> 2314861%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636839545521260172&amp
>> |
>> ;sdata=R2PHyXMyWDG4mmusi1KLmklGR0b%2FXAE%2BNp%2BwS4ZOmp8%3D&reserved=0
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>
>
> --
> brandon s allbery kf8nh
> allbery.b at gmail.com
>


-- 
brandon s allbery kf8nh
allbery.b at gmail.com
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