Is it possible to use both wp-super-cache and db-cache-reloaded simultaneously? (12 posts)

  1. piter45
    Posted 6 years ago #

    I've just tested db-cache-reloaded after switching from wp-super-cache and it seems to me that... Wp-Super-Cache is still faster with loading the whole pages, but I assume that DB-Cache-Reloaded reduces CPU load on the server, so my question is in the topic above.

    Also I received few HTTP 500 Internal errors in admin panel and the site itself.

    WP-Super-Cache is blazing fast.
    WP-Cache is also pretty fast for logged in users.
    DB-Cache-Reloaded's speed is rather slow, but It cached 90% of queries on every page. I guess it reduces the CPU load. Hm?


  2. Donncha O Caoimh
    Posted 6 years ago #

    If db-cache-reloaded use the file advanced-cache.php? If it does then you'll have to merge the code from both projects. It probably isn't worth doing.

    WP Super Cache will save your CPU cycles too as whole pages are cached.

    You could use any object cache to cache queries and WordPress objects. I wrote about one of them here.

  3. piter45
    Posted 6 years ago #

    I see. I am going to test the object cache.

    BTW, what about installing APC (Alternative PHP Cache)?

  4. Erunafailaro
    Posted 6 years ago #

    The plugins seem to work together nicely.

    I am using WP 2.8.4, WP Super Cache and DB Cache Reloaded 1.0.1. I even have WP Widget Cache 0.25.2 running.

    Caching on WP is a lot of fun :-)

    Thanks to all you great cache-plugin-authors!

  5. @piter45 I have APC running on a box with WP-S-C and no issues.

  6. piter45
    Posted 6 years ago #

    I installed APC on a server running Gentoo, but it didn't seem to work. The apc.php shows only 1 page in the cache. Also when I try to run this command: "make test" it shows 3 failed tests instead of passed :/ Even tho everything seems to be installed correctly. I didn't have any installation errors. No idea what's wrong...

  7. That sounds more like an issue with Gentoo and APC than WP-super-cache and APC.

  8. ambitionLab
    Posted 6 years ago #

    It may be possible... but is it advisable? My main objective is to minimize CPU load on a very busy site. What I can't figure out is whether I should have just one or the other (which one lowers CPU load the most?), or both?

  9. piter45
    Posted 6 years ago #

    Just a quick note:
    Right now I am testing db-cache-reloaded alone and I have to say it works pretty great :) WP-S-C disabled.
    I guess either using them both or merging them is not a good idea.
    But DB-Cache-Reloaded is definitely a great plugin. You should try it out!

  10. Robert S
    Posted 6 years ago #


    I have been testing both WP Super Cache (with caching turned on) and DB Cache Reloaded. So far the results are looking positive and do not have any issues to report.

    This is what I am running:

    WordPress: 2.8.5
    DB Cache Reloaded: 1.4.1
    WP Super Cache: 0.9.7

    One point of interest is that the number of cached queries is much higher when WP Super Cache is disabled (eg: admin user). I'm sure there's a technical explanation for this.

    If anyone out there has any further feedback on running this combination of caching plugins - I'd be very interested to hear what you have to say.


  11. Robert S
    Posted 6 years ago #

    Some additional findings to report:

    Running DB Cache Reloaded by itself yielded faster page load times than having both plugins enabled at the same time. Also, DB Cache Reloaded yielded faster page load times than WP Super Cache. I must admit that my pages are DB heavy with close an average of 100 sql queries (far too many I know).

    I have also turned on compression via my php.ini which should add to the improved response.

    For now I'm going to stick with DB Cache Reloaded and compression enabled.


  12. idolbloglive
    Posted 6 years ago #

    I am running both DB Cache Reloaded and wp-supercache on the blog at the same time and I think with both my initial load times are a tad faster but cached pages are much faster.

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