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Hi Team,
I would really really appreciate some light on the option Object Cache -> Enable caching for wp-admin requests. There is a statement that says: “Enabling this option will increase wp-admin performance, but may cause side-effects.” I will really appreciate it if you can let me know more information about the side effects as the option will be really useful, I just don’t know what could be affected.
We have a WooCommerce website with several plugins and wp-admin caching might greatly help do some things faster, even if needed to clear the cache after some operations.
Thank you so much!
Hello Martin,
Thank you for reaching out and I am happy to assist you with this.
The idea of an Object Cache in W3 Total Cache is that the WordPress Core, themes, and plugins may store some data that is frequently accessed and rarely changed in an object-store. This is so these objects will not have to be retrieved and processed on each request. Ultimately, Object Caching will reduce the total number of database queries required for each page, and because the CPU does not have to rebuild these blocks of data your response time will decrease.In reality, this potential performance improvements of Object Caching are highly dependent on which plugins or themes you use and whether they correctly store these objects. For example, your response time may not decrease if objects are stored and rarely (if ever) used.
As for your question regarding the “Enable caching for wp-admin requests.” option, this depends heavily on the environment, plugins, theme, etc. This is why the side effects are not described in detail. For example, if some wp-admin request is cached, and one of the plugins or WordPress is using it, some features may not be available. In some environments, updating the plugins via the plugins page was not possible if the wp-admin requests were cached.
I would advise to test this out and see if you are experiencing any issues.
I hope this helps!
Thanks!
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