Can Object (Database) Cache make website slower?

  • Resolved cheonmu

    (@cheonmu)


    8 months, 3 weeks ago

    hello. I run multiple static and dynamic WordPress websites on a single VPS.

    And I used Redis for all caching methods to separate the database ID and tested it using the Setup Guide provided by W3 Total Cache.

    I’ve tested it many times on many websites, but it always turns out that not using the Object (database) cache is the most effective.

    However, I’m a little confused because the posts I’ve seen and heard about WordPress optimization almost necessarily recommend using the object cache.

    Is it actually better for website performance not to use object or database caches as measured in the Setup Guide?

    Thanks.

Viewing 3 replies - 1 through 3 (of 3 total)
  • Plugin Contributor Marko Vasiljevic

    (@vmarko)

    Hello @cheonmu

    Thank you for reaching out and I am happy to help!

    This really depends on the website. If convenient, can you please sahre a screenshot of the setup Guide for some website (Object caching and DB caching) so I can check the difference between not caching and with the different caching modules?
    Thanks!

    Thread Starter cheonmu

    (@cheonmu)

    Hi, @vmarko. Thanks for answering.

    Here are the results of my Object cache tests I’ve tested this several times, but the results are similar.

    https://i.imgur.com/lLxx1Bo.jpeg

    https://i.imgur.com/vaYSS7Y.jpeg

    Thanks!

    Plugin Contributor Marko Vasiljevic

    (@vmarko)

    Hello @cheonmu

    Thank you for your feedback.
    As you can see the result for the OC testing is 3.34 ms which is 0.00334 seconds with no caching, so there is not much room for improvement ??
    This is why the Setup wizard was added.
    You can, however, at some later time retest the OC when you have more traffic on your website and see if the Object caching can help!

    I hope this helps!
    Thanks!

Viewing 3 replies - 1 through 3 (of 3 total)
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