[squid-users] Replacement policy 2 and 3 days

Dear All,
               I am confused about LRU policy. I not sure. How does LRU work.??
I have run squid-box. The below is Information.
                     
                      Os : Redhat Linux kenel 2.2.14-5.0
                   Squid : Version 2.3.STABLE3
                   Internet link : 2 MB
                   Concurrent Client : 800-1000 person
                   squid.conf
                    Disk space : /cache1 = 8 GB
                                            : /cache2 = 8 GB

cache_mem 50 MB
cache_dir ufs /cache1/squid_cache1 6500 16 256
cache_dir ufs /cache2/squid_cache2 6500 16 256
authenticate_children 32
reference_age 3 days
Another is default.

     I found that when i set reference_age = 3. The cache will quickly increase.
On the first day,The size of disk cache is about 25-30 %(100%=. 16 GB). On
second day, It's about 50-60 %. On the third day. It is about 60-70 %.
After the third Day ,It 's decrease slowly. It 's 70-73 %. On the fifth day , It 's
increase slightly. So the sixth day, It 's about 88-90 % . I must delete the cache
before it' full.
However ,I try to set reference_age =2. I know that I should set it not less than
3 day but I want to prove something. I found that on First day is about 25%. On
Second day , it 's about 48-50%. And 3,5,6,7,8 is about 48-50 %.
I thinks that it should increase slightly, but it 'not.
I compare the both internet bandwith. I found that it's not difference.

     How does LRU work when I set reference_age = 2 and 3 day on this
situation. Please explain.

Regards and Thanks
Niti : )

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Received on Thu Jun 13 2002 - 02:21:34 MDT