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I recommend these settings in file /etc/squid/squid.conf for optimal caching. You can place these settings at the top of the config file.
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# 10G Cache cache_dir ufs /var/spool/squid 10000 16 256 # Cache large files maximum_object_size 512000 KB |
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You would run this command twice :
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time http_proxy=http://localhost:3128 \
wget -S http://mirrors.rit.edu/centos/5.5/os/i386/repodata/repomd.xml 2>&1 \
| grep X-Cache
|
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3.) Follow steps 1 and 2 again to select a good fedora mirror fedora mirror list. You'll need to do this even if you're not planning for build on Fedora because the build system will require you to specify a fedora mirror url.
Example:
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time http_proxy=http://localhost:3128 \ wget -S http://ftp.linux.ncsu.edu/pub/fedora/linux/releases/14/Fedora/i386/os/repodata/repomd.xml 2>&1 \ | grep X-Cache |
Building with a download proxy
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You should verify caching is working by your second build by looking for the string TCP_MEM_HIT in /var/log/squid/access.log.
Clearing squid's cache.
If you switch mirror sites or you suspect the caching is causing build issues, you'll want to clear squid's cache. There is no easy way to clear a portion of the cache, but this set of commands will clear all of squid's cache.
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service squid stop
rm -rf /var/spool/squid/*
service squid start
|
Advanced: Using your download proxy for testing installations
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