[Nagiosplug-devel] [ nagiosplug-Bugs-3552846 ] memory plugin doesn't account for cached memory

[SourceForge.net]

Bugs item #3552846, was opened at 2012-07-31 16:17
Message generated for change (Tracker Item Submitted) made by calestyo
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=397597&aid=3552846&group_id=29880

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Cálestyo (calestyo)
Assigned to: Nobody/Anonymous (nobody)
Summary: memory plugin doesn't account for cached memory 

Initial Comment:
Hi.

This is from the old / soon to be disabled again Nagios Plugins bug tracker that used to be at Nagios itself.
I've just copied this bug over. I'm not the original reporter and have no idea about the thoughts about this bug.

This used to be: http://tracker.nagios.org/view.php?id=216
--------------------------------------------------------------------------------
vdanen:
--------------------------------------------------------------------------------
keep getting warnings about memory usage on one system (it has 8GB RAM):

WARNING - 397 / 7987 MB (4%) Free Memory, Used: 7590 MB, Shared: 0 MB, Buffers: 813 MB, Cached: 5750 MB

This looks scary, but on a Linux box this is ok. Cached memory is actually a good thing, so while it is technically accurate, it should account for cached memory.

Instead of "Free Memory" it should probably report "Available Memory" in which case it wouldn't be 397MB available but 397MB (free) + 5.7GB (cached) which leaves me with just over 6GB available/usable memory. 


----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=397597&aid=3552846&group_id=29880