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Full Discussion: Memory usage of a process
Top Forums Shell Programming and Scripting Memory usage of a process Post 302231677 by era on Wednesday 3rd of September 2008 01:57:09 AM
Old 09-03-2008
Doing the SMTP dialog on your own with telnet is error-prone and brittle; are you sure you're not better of passing the message to a proper MTA?

Just like in the Sendmail case, you should probably put in some headers in the message. Maybe your MTA accepts it without the headers, but they really are supposed to be required.

Note also the fix to the Useless Use of grep | awk | awk

Code:
ps -eo fname,rss | awk '!/RSS/{ if ($2 > 350000) print $1}' >/tmp/tempfile
test -s /tmp/tempfile &&
(
echo HELO test.com
sleep 2
echo "mail from:<test@mail.com>"
sleep 2
echo "RCPT TO:<mailto@server.com>"
sleep 2
echo DATA
sleep 2
cat <<HERE
From: test@mail.com
To: mailto@server.com
Subject: Processes taking more than 350MB

These processes are taking more than 350MB RAM.
Please check it.

HERE
cat /tmp/tempfile
echo .
echo QUIT
sleep 2) | telnet 1.*.*.* 25
rm /tmp/tempfile

Last edited by era; 09-03-2008 at 03:01 AM.. Reason: Useless Use of grep | awk | awk
 

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LEARN ABOUT DEBIAN

vzcalc

vzcalc(8)							    Containers								 vzcalc(8)

NAME

       vzcalc - calculate resource usage of a container

SYNOPSIS

       vzcalc [-v] CTID

DESCRIPTION

       This  utility  displays	the  share  of the host system resources a particular container is using. If the container is running, the current
       usage is displayed. High utilization values (>100%) mean the system is overloaded (or the container has an invalid configuration).

       Current
	      Shows the amount of the resources consumed by the container at a given time.

       Promised
	      Shows the resources soft limit values "promised" for a given container.

       Max    Shows the resources hard limit values "promised" for a given container.

       If the -v option is specified, the following additional information is also displayed:

       Low Mem
	      The part of memory residing at lower addresses and directly accessed by the kernel (only makes sense for 32-bit architectures).

       Total RAM
	      Total memory.

       Mem+Swap
	      Amount of memory available for applications (both RAM and swap space).

       Alloc Mem
	      Standard memory allocations made for applications in a container.  This is a more "virtual" system resource  than  RAM  or  RAM  and
	      swap.

       Num. Proc
	      Number of processes.

OPTIONS

       -v     Display additional information.

EXIT STATUS

       Normally, the exit status is 0. On error, the exit status is 1.

LICENSE

       Copyright (C) 2000-2009, Parallels, Inc. Licensed under GNU GPL.

OpenVZ								    10 Dec 2009 							 vzcalc(8)
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