How to clean squid cache directory ?

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How to clean squid cache directory ?

Postby gardenair » Wed Mar 16, 2011 3:01 pm

Salam,
I am using squid on my cent os 5. The cache directory is almost full.

# cache_dir ufs /var/spool/squid 2000 16 256
kindly guide me how can i flush or clean the data inside the cache directory of squid.I am using using terminal not Linux GUI interface.

thanks
garden
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Postby khizer » Wed Mar 16, 2011 3:24 pm

First, Check you squid.conf file and locate the location of you cache directory, which in your case is /var/spool/squid

1) Shutdown your squid server
2) Remove the cache directory
3) Re-Create the squid cache directory
4) Start the squid


So in short do the following in the command line as a root user (be very carefull with the second command because one wrong space can wipe your filesystem/harddisk)

1-

Code: Select all

/etc/init.d/squid stop

2-

Code: Select all

rm -rf /var/spool/squid/*

3-

Code: Select all

squid -z

4-

Code: Select all

/etc/init.d/squid start
-Khizer Naeem Mughal

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Postby lambda » Wed Mar 16, 2011 4:25 pm

why do you want to delete the contents of your cache directory? the more useful data there is in your cache directory, the more quickly squid can serve users!

squid automatically removes older unused data from the cache directory. you should never need to delete its contents.

if your cache_dir is too large and your filesystem is going to fill up, just lower the size in your squid.conf. i see you have it set to 2000 (which is 2GB). just lower it and then restart squid. squid will delete files to bring it down to the new level.

also, 2GB is nothing -- you should set it to as much space as you can give it. on a 160GB drive, give it 120 or 130GB (leave the rest of the operating system, logs, other stuff).
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Postby gardenair » Thu Mar 17, 2011 1:38 pm

thanks for the reply. Well mostly people say that they frequently delete their cache dir. I also have a ISA server in my another branch and we when the users complaints that they even can not open google web page I just delete the stop my ISA and delete cache of ISA.

As concern to Squid is there any way to check that out of 2 GB how much web pages have been saved in the cache directory ? i.e var/spool/squid.
I have google it but does not find the answer of my question.

Thanks to linuxpakistan forum that here i can discuss my Linux issues .
again thanks a lot for giving time ,
waiting for reply,
garden
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Postby lambda » Thu Mar 17, 2011 5:33 pm

i've used squeezer2 in the past, but i don't know if it has what you want.
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