[erlang-questions] Possibly memory leak in R17

Lukas Larsson <>
Tue Dec 2 10:38:13 CET 2014


Hello Max,

Just wanted to let you know that I think that we have found the
bug/behaviour that was creating the memory fragmentation and performance
issues for you. You can read about the problem here:
https://github.com/erlang/otp/blob/maint/erts/emulator/internal_doc/CarrierMigration.md#searching-the-pool

A fix is merged into the maint branch on github and will be included in
17.4.

Lukas

On Fri, May 2, 2014 at 7:31 AM, Max Lapshin <> wrote:

> Lukas, thank you a lot.
>
>
> I've added  +MBacul 0 and everything is very stable now.  Memory
> consumption back is normal, system is performing normally.
>
> Before I've added this problem was not only with memory usage. When server
> allocated 12 GB RAM, it was performing very badly.
>
> Can I help somehow else to enhance it?
>
>
>
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> 
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>
>
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