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Recommended RAM: 512MB to 1GB per site
While you can run a small website with as little as 256MB of RAM, if you're installing WordPress on your own server you'll want at least 512 MB of RAM for your basic site if you want to ensure good performance.
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Generally with 512MB of RAM or higher is enough fro VPS to running websites. Wordpress is fed more MB. If there are enough plugins, .swfs etc you won't handle the websites with 512 RAM. Of course, the number of visitors is the most important here.
How bad is 256 MB of RAM with a hosting package? How bad? I'd say it's unusable. If PHP is set to use 256MB (default suggested amt by WooCommerce, for example), then you can host 1 PHP session at a time. That's assuming you're not counting VPS/OS RAM needs in with that figure. And that's not taking into account hosting DB on that machine, either.
I have 5 VPSs, 3 of them run on 256 MB ram with cPanel. I host a few moderately heavy forum sites on one of them, it works good. The rest two are for future projects and are not in use now. My other two VPSs are 384 MB ram each, and they carry a total of 50 forums. They also work good, WHM and VZPP both shows around 50% ram use.
I am looking for a application/web hosting provider. I can see that I can have virtual server with 512MB RAM. It seems to me soooo little. What can I expect to run (run means fast enough for users...
256 MB RAM VDS will be too small to run Java and related products. Basically, if you buy a VDS with a optimized control panel like WHM/CPanel, 92 to 100 MB RAM will be default consumed by CP & OS. So, you will hardly have 150 MB RAM to Run JAVA & your applications. I recommend you to start with 512 MB RAM VPS server.
how can someone tell you how much ram you need? it depends on how many files and data you have. if you have large data files then you should go with high ram size it might be approx 20 to 30 GB, but if you low data files than 12 GB ram is enough for you. if you want the best web hosting with good ram size at your budget then you should go wisesoluation.