[erlang-questions] large scale deployments and netsplits
Thu Sep 17 20:40:15 CEST 2009
On Sep 16, 2009, at 9:02 PM, Scott Lystig Fritchie wrote:
> ... are the sizes of the Erlang VM processes big enough to run the
> of paging virtual memory pages to disk? If yes, then all bets are off
> for timely responses to network distribution communication, including
> liveness checks.
I took a look at one of the nodes that just split and beam was using 30%
of the memory and just 10% of the CPU. I don't think swapping is a
It still dumbfounds me that nodes split when my own latency-measuring
process reports round-trips of a few milliseconds to just a few seconds.
I shudder at the thought of using Mnesia in this scenario! It used to be
that I thought of net splits as a remote possibility but at least with
they are a solid reality.
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