On 2016-07-29 14:04, O. Hartmann wrote:


I realise an exorbitant memory usage of FreeBSD CURRENT ( FreeBSD 12.0-CURRENT 
#16
r303470: Fri Jul 29 05:58:42 CEST 2016 ). Swap space gets eaten up while 
building
world/kernel and/or ports very quickly.

I see this phenomenon on different CURRENT systems with different RAM (but all 
ZFS!). No
box is less than 8 GB RAM: one 8GB, another 16, two 32 GB. An older XEON 
Core2Duo server
with postgresql 9.5/postgis acting on some OSM data etas up all of its 32 GB and
additional 48GB swap - never seen before with 11-CURRENT.

I didn't investigate the problem so far since I realized this memory hunger of 
12-CURRENT
just today on several boxes compiling world, eating up all the memory, staring 
swapping
and never relax even after hours from the swapped memory.

Is this a known phenomenon or am I seeing something mystique?

Regards,

Oliver


Do you have the output of 'top', the first few lines

Specifically, is there very high 'Other' usage, on the ZFS ARC line?

--
Allan Jude
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