[erlang-bugs] Regression in erlang:system_monitor long_gc ?

Bjorn Gustavsson <>
Fri Oct 24 09:45:20 CEST 2008


On Wed, Oct 22, 2008 at 10:21 PM, Chris Newcombe
<>wrote:

> Hi OTP team,
>
> I'm using  R12B-2  (erts 5.6.2).   I'm using erlang:system_monitor to
> detect long_gc times.
>
> I very often see long_gc times mis-reported as >4,200 seconds, e.g.
>
>   system_monitor: {1224,701965,21022}: system_monitor: killing
> <0.149.0> as received
>
> {monitor,<0.149.0>,long_gc,[{timeout,4295002},{old_heap_block_size,0},{heap_block_size,6419485},{mbuf_size,0},{stack_size,32},{old_heap_size,0},{heap_size,2000144}]}
>

Thanks!

Unfortunately, the previous bug fix was not included in the garbage
collector for R12B.

We have now written a test case for our daily builds and fixed the bug. The
correction will be included
in R12B-5.

/Bjorn
-- 
Björn Gustavsson, Erlang/OTP, Ericsson AB
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