Let’s start from Ground Zero, as this is a common misconception: Memcached, Redis, Varnish, etc, are all server software. The plugins merely handle their configuration and cache management for WordPress.
That means you need to have the memcached (or Redis or Varnish) daemon installed and running on your server before the plugin can do you any good.
So, before going any further, let’s first get this sorted: do you have Memcached on your hosting server, or do you have access to an external Memcached server?
Looking at this again…
I am using wp rocket and wants to use memcached plugin.
It seems what you need is the Memcached daemon (the server software), not a Memcached plugin.
The WP Rocket plugin you already have will play the same role that any Memcached plugin would play, so there’s no need for a separate Memcached plugin.
What you need is a Memcached server for WP Rocket (or any other Memcached plugin) to use.
If those explanations don’t sit well with you, please contact the WP Rocket plugin’s authors for confirmation: https://wp-rocket.me/support/
Good luck!
@gappiah Thank you for your quick response. I am using a dedicated server. Yes I have memcached installed on my server. but I will need wp plugin so that wp cache can be stored on it and I can manage the cache.
Regarding wp rocket, I was using only wp rocket but only in the morning and late night my website load was fine. In day, evening, night all the time server load was high. After using docket cache, my server load never hiked. but problem is using docket cache RAM usage goes high after 2-3 days. and after 2-3 days if I restart php to reduce RAM usage then RAM uses goes low but almost 6-8 hours my server load goes high. sometimes load reduces and sometimes goes high automatically. Next day server goes normal. using top command I can see mysql load is high. After googling I found to use redis cache or memcached. I used redis cache for few months but in the evening, server load goes high daily for 4-5 hours. Then I removed redis cache and in the search of memcached I found docket cache and docket cache worked very fine. my server disk io usages was 10gbps continuously even in the morning when I was using redis cache. using only wp rocket, it also goes 10gbps but in the morning it was 6-7gbps. but after using docket cache only 4-5mbps. sometimes it goes to 1gbps for 1-2 minutes only. Now I am very confused what to do? Please suggest.
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This reply was modified 11 months, 2 weeks ago by
davecoledave.