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  1. #1
    Join Date
    Apr 2003
    Location
    Glendale, AZ
    Posts
    96

    Max amout of sites on a server

    What is the max amout of websites that "SHOULD" be hosted on a website?

    I did a whis.sc on my sever and I found that it currently has: 495 websites on it.

    Server specs:
    Dual Xeon 2.4 Ghz with Hyperthreading w/ 1GB RAM
    OS: Fedora

    Is this good, bad, does it explain recent mysql, and server downtime?

    What should I say to my host?
    Support-Shack.com
    Website Management

  2. #2
    Join Date
    Apr 2002
    Location
    USA
    Posts
    5,762
    Depends on the sites. What is the server load like?

    A server like that can hold 2000 sites or 1 site, just depends on how heavy the usage is. There is no magic number of sites per server.

  3. #3
    Join Date
    Apr 2003
    Location
    Glendale, AZ
    Posts
    96
    here is other information from cpanel:

    Server Load 0.69 (4 cpus) - If I could monitor this # I would provide you with an average load use. So this isnít accurate.

    Memory Information
    Memory: 1031560k/1048512k available (1614k kernel code, 16564k reserved, 1195k data, 168k init, 131008k highmem)

    Physical Drives
    hda: WDC WD1200JB-00EVA0, ATA DISK drive
    hda: attached ide-disk driver.
    hda: host protected area => 1
    hda: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=14593/255/63, UDMA(100)


    Current Memory Usage
    total used free shared buffers cached
    Mem: 1032040 918844 113196 0 76588 300972
    -/+ buffers/cache: 541284 490756
    Swap: 2096440 274788 1821652
    Total: 3128480 1193632 1934848


    Current Disk Usage
    Filesystem Size Used Avail Use% Mounted on
    /dev/sda5 2.9G 245M 2.5G 9% /
    /dev/hda1 111G 66G 39G 63% /backup
    /dev/sda1 99M 13M 81M 14% /boot
    /dev/sda8 43G 30G 11G 75% /home
    none 504M 0 504M 0% /dev/shm
    /dev/sda7 1012M 164M 797M 18% /tmp
    /dev/sda3 9.7G 1.5G 7.7G 17% /usr
    /dev/sda2 9.7G 1.9G 7.3G 21% /var
    Support-Shack.com
    Website Management

  4. #4
    Join Date
    Apr 2002
    Location
    USA
    Posts
    5,762
    Nothing there that really helps too much, the load is the number that you have to be concerned with and .69 has not even gotten that server breathing hard yet.

    You really need to see a mrtg graph or be able to watch top for while to tell for sure.

  5. #5
    Join Date
    Dec 2000
    Location
    Indianapolis, IN
    Posts
    1,748
    We run about 1500 plus sites on that same config Dual Xeon 2.4 Ghz with Hyperthreading w/ 1GB RAM or 2 GB Ram if needed. But we use FreeBSD as well. I don't think 495 websites and a .69 load is bad but that might not be there peak time ether.. We see our load go up to about .80 at our peak at times, but that is a very low load for 1500 sites and peak time..

  6. #6
    It really depends on the type of websites you are running. On the Dual Xeon boxes we run, we put approximately 1200 to 1500 sites as well and it handles very well. We normally have 4GB of DDRAM on the box with 2, 73GB SCSI hard disks in RAID1 or 3, 36GB hard disks in RAID5. The SCSI hard disks have an inbuilt controller (not a CPU controller like IDE hard disks) so CPU load is considerably less for us (it averages 20%).

  7. #7
    Originally posted by Techark
    A server like that can hold 2000 sites or 1 site, just depends on how heavy the usage is. There is no magic number of sites per server.
    I think Techark summed it up right there. There is no magic number because a server could hold thousands of one-page sites, or a high-traffic site could require an entire server. We limit our dual Xeon and single-cpu servers to about 500 domains and it seems to work well. With that number we've never had a hard drive get full, and the servers perform well except in the rare case of abuse.

  8. #8
    Join Date
    Dec 2001
    Location
    Above The Clouds
    Posts
    6,949
    500 websites, 0.6 load on a server of that spec means the server is flying is along.

    The amount of sites and server specs has nothing to do with MySQL or HTTP downtime. Just one site on a server can be responsible for taking both down.
    Laurence Flynn @ atOmicVPS LTD
    Linux & Windows Cloud Hosting Solutions Powered by OnApp
    Fully Managed [Shared][Reseller][Cloud VPS] [Dedicated]
    Featuring the atOmicSTACKô ● Speed ● Performance ● Reliability

  9. #9
    Join Date
    Jul 2003
    Location
    Goleta, CA
    Posts
    5,550
    Always hit less than the theoretical number so you have room for other sites to grow.
    Patron: I'd like my free lunch please.
    Cafe Manager: Free lunch? Did you read the fine print stating it was an April Fool's joke.
    Patron: I read the same way I listen, I ignore the parts I don't agree with. I'm suing you for false advertising.
    Cafe Owner: Is our lawyer still working pro bono?

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