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Shell Programming and Scripting

Complex Output Filtering

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# 1  
Old 08-06-2015
Hammer & Screwdriver Complex Output Filtering
Hi,

I have this command on my linux jmap -heap $pid | grep '%\|:' the output of which is like below:

Quote:
Attaching to process ID 79750, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 20.45-b01
Heap Configuration:
Heap Usage:
New Generation (Eden + 1 Survivor Space):
9.683085567961227% used
Eden Space:
6.984264849888904% used
From Space:
31.28024183932387% used
To Space:
0.0% used
concurrent mark-sweep generation:
7.07091564933459% used
Perm Generation:
86.50459060072899% used
I need a smart way to check if any of these memory usage crosses 95%, 90% and 85% i need to triggerAlert accordingly.

I know how to trigger email alerts however I need a good way to check if memory crosses these landmarks [85%, 90%, 95%]

Thus, in this example the below should be triggered for an Alert
Quote:
Perm Generation:
86.50459060072899% used
Last edited by mohtashims; 08-06-2015 at 09:07 AM..
# 2  
Old 08-06-2015
Code:
awk '!prev {prev=$0;next} /used/ && $1+0>85{print prev ORS $0;next}{prev=$0}' myFile

You can probably eliminate the need for a 'grep' and incorporate it all in one awk.
This User Gave Thanks to vgersh99 For This Post:
mohtashims
# 3  
Old 08-06-2015
Amazing !! - Resolved!!
# 4  
Old 08-06-2015
Code:
perl -ne '/used/ and $_>85 and print "$save$_"; $save=$_' myFile

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