[Plugin: WP Super Cache] 700k pageviews daily blog – optimal settings?

  • Hello,

    I’m wondering what should be the optimal setting for “Expiry Time and Garbage Collection” on such blog and whether there is anything else to tune.

    Thanks

Viewing 9 replies - 1 through 9 (of 9 total)
  • Thread Starter tomazo

    (@tomazo)

    Well, I set Expiry Time to 3600s and Garbage Collection to 10 minutes. I have currently 3667 cached pages in WP-Cache and 2464 cached pages in WP-Super-Cache.

    However it seems like that when it “collects garbage” once in 10 miuntes, it uses a lot of resources: https://i44.tinypic.com/33boncn.png

    And I even cache it directly into the RAM instead of HDD.

    Hi!
    I have the same problem. Every 10 minutes server load go from 0.3 to 30 because of I/O wait on HDD!

    I have the S.O. Lustre…

    HELP!!!!

    What kind of server are you running on? It’s not possible to avoid the I/O but it’s never that bad usually. Set the expiry time to 5 or 15 minutes and garbage collection to 10 minutes. Does that help?

    Thread Starter tomazo

    (@tomazo)

    CPU: Intel Quad-Core Xeon X3220, 2.40 GHZ
    RAM: 4x 2GB Kingston ECC Not-Registred 667Mhz
    HDD: 2x 150GB RaptorX – 10k RPM, raid 1

    Just set the expiry time to 5 minutes, garbage collection to 10. I’ll let you know tomorrow how it performs.

    Btw, it’s the Super Cache doing it. When I had only legacy WP-Cache caching enabled, it worked fine.

    Thread Starter tomazo

    (@tomazo)

    Tried both 5 and 15 minutes, looks better with 5 minutes:
    https://i40.tinypic.com/s59x7t.jpg

    wow you guys have some huge sites.. 2500 cached pages.. thats impressive!

    tomazo, how is it going with 5 minutes?

    Thread Starter tomazo

    (@tomazo)

    As you can see in my previous entry, it’s better. But there’s been plenty of new versions released lately, so maybe something is improved. Dunno yet.

    Thread Starter tomazo

    (@tomazo)

    Hm, actually when I tried it now with WP Cache and Super Cache enabled (Fully on), it caused so high load, that the server was inaccessible for a moment.

    So I stick with Super Cache Disabled, only legacy WP-Cache caching (Half on) and it’s fine. Expiry time on 300s, still have around 2000 files cached anyway.

    But it works fine and I made a new record 2 days ago. 860k pageviews ^^

Viewing 9 replies - 1 through 9 (of 9 total)
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