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    Is cache really improve the connection speed?

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    • I
      iamthed
      last edited by

      @jahonix:

      Hay, d-ifyouare, who told you squid would cache IP packets only? It is caching an entire object (aka file) from the likes of .html or .jpg or .png or.xml or …
      Looking at your squid cache folders you'll find objects of highly varying sizes. That's the size of the cached file. It wouldn't differ if its only packets.

      u're questioning about "who told me" that's juz my assumption.. that's why i said "CMIIW"
      ok so now my question.. someone refer that he's using cache for windows update..
      let's say person A he download windows update at speed 5kb and finish the update <–-- squid will save it as a cache right?

      and then person B download windows update too.. how aproximately the speed? is it as fast as file sharing?

      i'm dumb.. but i have a desire to learn

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      • T
        Tikimotel
        last edited by

        If you have a very busy network the file downloaded from windows-update might not be in cache anymore.
        If the network isn't very busy chances are the file will be delivered from squid cache (either RAM or HDD).

        Squid performance depends greatly on usage, hence the many caching policies and configuration option (not all implemented into the package).
        There is no simple configuration to satisfy all usage variables.

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        • J
          josey
          last edited by

          @iamthed:

          @jahonix:

          Hay, d-ifyouare, who told you squid would cache IP packets only? It is caching an entire object (aka file) from the likes of .html or .jpg or .png or.xml or …
          Looking at your squid cache folders you'll find objects of highly varying sizes. That's the size of the cached file. It wouldn't differ if its only packets.

          u're questioning about "who told me" that's juz my assumption.. that's why i said "CMIIW"
          ok so now my question.. someone refer that he's using cache for windows update..
          let's say person A he download windows update at speed 5kb and finish the update <–-- squid will save it as a cache right?

          and then person B download windows update too.. how aproximately the speed? is it as fast as file sharing?

          yes, how is it working for me
          comp A download file 500mb large ar speed 100kbs
          after finish
          comp B download same file at speed 10 000kbs+ :)

          so is it worth it?
          definitely!

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          • I
            iamthed
            last edited by

            yes, how is it working for me
            comp A download file 500mb large ar speed 100kbs
            after finish
            comp B download same file at speed 10 000kbs+ :)

            so is it worth it?
            definitely!

            okay how bout this situation..
            comp 1 download file A on website name www.whocares.com
            comp 2 download file A but from diffrent website but it has the same contain from www.icares.com

            is cache from website whocares and i cares has stored double on var/squid/cache??
            i think i started to like cache  :P

            i'm dumb.. but i have a desire to learn

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            • J
              josey
              last edited by

              who cares if it holds double file :D

              you (at least i do) have 100 gigs cache :D

              but, good question, anybody knows? for surely?
              maybe if name is same, and size…

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              • B
                Bern
                last edited by

                The cache will have two copies of the same file as they came from different URIs/URLs.

                If you're worried about duplicate Windows Updates then you should be using WSUS or something like Heise's offline update.

                In a business environment of any importance you should really be using WSUS to manage/track updates anyway.

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                • I
                  iamthed
                  last edited by

                  sorry guys i'm newbie.. i wanna se my cache..
                  but how?
                  is it go from shell?
                  what is the command for look it..
                  thx a lot

                  i'm dumb.. but i have a desire to learn

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                  • J
                    jigpe
                    last edited by

                    users used 60gb a day. Is it ok?

                    jigp
                    Davao City
                    1.2.2

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                    • C
                      chudy
                      last edited by

                      okay how bout this situation..
                      comp 1 download file A on website name www.whocares.com
                      comp 2 download file A but from diffrent website but it has the same contain from www.icares.com

                      is cache from website whocares and i cares has stored double on var/squid/cache??
                      i think i started to like cache  :P

                      This is how CDN works. It downloads the content from the different servers usually it downloads near to your location.
                      Thats why squid has storeurl feature to redirect them into 1 file.

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                      • J
                        jigpe
                        last edited by

                        Thanks. Im downloading now the cacheboy. Ill update you :)

                        Good afternoon

                        jigp
                        Davao City

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