[erlang-questions] BEAM performance?

[Håkan Mattsson]

On Wed, May 24, 2017 at 3:19 PM, Jesper Louis Andersen <
jesper.louis.andersen@REDACTED> wrote:

>
> As for the two DB writes to the same row in short order: Mnesia uses an
> optimistic locking strategy. If two transactions write to the same row at
> the same time, both will aborted, wait a bit and try again. If you're
> unlucky, those two writes will keep interfering with each other and you
> will get lag.
>

​No, only one transaction will be restarted.​

​The "oldest" one will be completed.

/Håkan
​
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