Plesk for Windows
kb: how-to
Plesk for Linux
Ideal
Applicable to:
- Plesk for Linux
- Plesk for Windows
Question
- What are the recommended hardware requirements (RAM, Disk space) and the required minimum size of SWAP for Plesk?
- What are the minimum hardware requirements (RAM, Disk space) and the required minimum size of SWAP for Plesk?
- Should I configure swap space for a Plesk server?
Answer
SWAP (Plesk for Linux only)
| Amount of RAM on the server | Recommended free disk space for swapping |
| Less than 1 GB | 1 GB |
| 1 GB or more | 1/2 * the amount of RAM |
RAM
| Server load | Recommended RAM volume |
| No more than 1-3 simultaneous visitors per website, no more than 500 unique visitors per website per day | 1GB of RAM for every 40-50 websites |
| 5-10 simultaneous visitors per website, between 1000 and 30000 unique visitors per website | Between 500 MB and 1 GB of RAM per website |
Note: The maximum amount of RAM supported is subject to the amount supported by the OS. These requirements can change in time, the latest requirements can be found here: Hardware requirements for Plesk
Note: The hibernation function of the server should not be used on systems with more than 64 GB of RAM and swap enabled at the same time, because hibernation requires extra space for an inflated (and perhaps infrequently utilized) swap area and the process of moving resident data from RAM to disk and back on can take a lot of time to complete.
Disk Space
The minimum amount of free disk space required for installing and running Plesk.
| Linux | Windows |
|---|---|
| 20 GB | 32 GB |
It is recommended to have this much disk space for hosting:
| Type of hosting | Recommended free disk space for websites |
|---|---|
| Typical shared hosting (100-500 websites per server) | Between 2 and 2.5 GB per website |
| Dedicated VPS hosting (1-10 websites per server) | Between 4 and 12 GB per website |
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