On Tue, 18 Aug 2015, at 00:45, Runhang Li wrote:
>
> Hi, Magnus
>
> I was pretty curious about the change of word allocation, so I hold my
> refresh key for a period of time, and it is down now…
>
> I am really really sorry. Could you please start the
> application again?

No problem :-) One of the goals here was to stress test everything. I'm
not sure how the unikernel crashed, as it seemed to have corrected
itself when I checked. The source code for the test unikernel is here
[0] if you want to try to reproduce it.

There was also a lot of EMFILE exceptions from Irmin when I stored the
database on disk (with high load, after a few thousand commits), which
caused a crash:

Unix.Unix_error(Unix.EMFILE, "open", "../jitsu-irmin-
db/.git/refs/heads/master")

Increasing ulimit -n seemed to fix it, but the traffic spike from HN
also ended about then so I'm not sure if it helped.

Jitsu also crashed once with Unix.Unix_error(Unix.EINVAL, "select", ""),
which I'm not sure yet where came from...

. https://github.com/MagnusS/mirage-stats-demo

Magnus
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