[Gluster-devel] Next v3.6 maint release suggested commits

Humble Devassy Chirammal humble.devassy at gmail.com
Fri Sep 11 07:23:04 UTC 2015


Thanks !!
Ccing 3.6.X release maintainer to make sure he is not missing this mail.

--Humble


On Fri, Sep 11, 2015 at 1:30 AM, Richard Wareing <rwareing at fb.com> wrote:

> Greetings,
>
> Just a heads up, there's a very nasty deadlock bug w/ multi-core e-poll in
> v3.6.x (latest branch) which appear to be due to DHT doing naughty things
> (like racing among other things).  So to fix these issues we had to pull in
> these (trivial cherry-pick) commits from master:
>
> 565ef0d826b356d188028410575da1f0fa9416b7
> 5a0aced9802d12f45cebf1b318e20676395570f9
> b387c485c069c201ddabebe00c7176f960f4be32
> 2691a650f94ed9f82ecb8dda5d9b12f52147dc51
> 532566802b58d847d1ff1818ea857b583049ee76
> 50a92b2d72a43a940b0e38340d161fa7687a7104
> df83769d4c6c6bb13df70751640b2a90af0064d7
> 9f8b4c2ef3523f91213a00edec863f322e92a6d5
> 68dfe137c7dfa08fb601257309f3db7e3ce6e4e8
> e57a5eef4ea0da579986e9b61fec47a50ddf2b8a
> 2a3b7086957b095a5bbb5325aab0f765496e8491
> 393de0d7fd4309f4262a8747183f164e8f6d23c1
> 48aa51d49800bafbad5825165d4798cbbe592f5a
> 4fcf231aac51668742114320068b1570cee75667
> 8ac26cf2302dc452d7448a769b6b117dbdaaf05c
> 40da6554acabedebc2259a8c867159e41e1079c2
> 39bbf0ed97c3a1e8bf2966b2561f964013cde606
> 20a014332504efbc0204a591cad257abb167fce7
> 83b65187148e1dd145752c61660b8e5902e9a94f
> 83b65187148e1dd145752c61660b8e5902e9a94f
> d60943ff2f6d58c129a66308f29986b471762210
> 6588d8f2a8975f032cb1567eef5ed35e5f992357
> 4ac9399be4f620abdaeee1054a48458c8238b907
> a7e30beef3ab41985e7435dc1a90cde30e07dc47
>
> (yes this is a lot of commits...but it fixes a lot of brokenness :) ).
>
> So for the next maintenance release it might be wise to include these
> fixes to better the experience for v3.6.x users out there who do not
> maintain their own builds.  Without these multi-core epoll under high load
> prone to deadlocks (repro'able by rsync'ing [rsync -avR --inplace] a 100k
> or so small files from one tmpfs mount to another tmpfs backed GFS cluster
> on a development/test machine).  Not sure if it's worth filing a bug report
> since the issue has clearly been fixed in newer releases.
>
> Richard
>
>
> _______________________________________________
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> Gluster-devel at gluster.org
> http://www.gluster.org/mailman/listinfo/gluster-devel
>
>
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