[CentOS] SHOULD I NEED TO RECOMPILE THE KERNEL ?

mike.redan at bell.ca mike.redan at bell.ca
Wed Jul 25 12:08:27 UTC 2007


 

	Hi, 
	
	I am still runnig Redhat 9 box with sendmail and squid.  
	 
	 
	
	how is squid configured? it can be configured to eat up quite a
bit of RAM. if you tweak that to fit into your 512MB of RAM you may be
able to get your machine running faster. have a look at what 'top' is
saying, maybe iostat as well. someone else mentioned 'atop', it looks
pretty slick if you can, give that a shot. by running 'top' you will
also be able to see how much RAM Linux is seeing. make sure that it
actually is 512MB.
	 
	 It is quite slow. It has only 128 MB RAM. So I upgraded it to
512 MB RAM. Now, It is running with 512 MB RAM. But, It is still slow.
No progress has been achived. Some users say it is slower than before.
Actually, I also have noticed it is NOW SLOWER than before. WHY IS THAT?

	 
	if squid is configured to eat up a large amount of RAM, then it
may be possible that it needs contiguous memory blocks, so it may be
possible that it is eating all of your physical memory, and all of the
rest of your apps are using virtual memory (read: swap space). I have
seen something similar on an Oracle box. again, reading the output of
'top' will help you.
	 

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