My Webhost is saying Redis Resource Intensive -- is that true?

Started by Sereda_V_V, Jun 24, 2022, 01:17 PM

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Sereda_V_VTopic starter

I am paying about 100$ a month for a VPS: 300GB SSD, 15GB Bandwidth, 24GB RAM.

I requested information on object caching (site is using Wordpress' BuddyPress) as I was debating on whether to add Redis. The site isn't even live yet.

The hosting company is saying they can add Redis or Memcached but the service will be resource intensive, and that I might need to upgrade the VPS resources to prevent overload.

Does this sound right? I was under the impression Redis was supposed to reduce impact on the server not increase it? Also, for 100$ a month, I figured I wouldn't need to pay even more to support object caching.

Is there something I'm missing?


That doesn't sound right. That's a pretty beefy server and unless you're getting a ton of traffic I can't see Redis or any object caching hurting that at all.

For me this feels like a hard upsell from someone who doesn't know what they are talking about. Now *maybe* you are truly getting close to resource limits but its simple to check that.

You can run "free -m" and "top" from the command line to get an overview of how the server is performing at that instance and you can keep an eye on it. Remember that Linux by nature will use as much ram as you give it, so don't worry if you only have a little free, look at your buffers/cache as that is technically free memory as well, just used for low priority bits.
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You can get a similar value from WHM > Service Status > Memory Used. Check the % value there. Anything less than 50% and you are good. Given that website are in maintenance mode, it's strange why you are being told to upgrade