Article ID: 128205, created on Jan 31, 2016, last review on Jan 31, 2016

  • Applies to:
  • Plesk for Linux/Unix


Is it normal behavior that Plesk asks to change system limits before upgrade?

For example, the warning is shown that 'tcpsndbuf' and 'tcprcvbuf' limits should be increased.

Plesk is installed inside container.


This is a normal behavior.

During upgrade startup, pre-check script is being executed.

At step 31, it checks container limits:

 [INFO] STEP 31: Checking that limits are not exceeded in /proc/user_beancounters...
 [INFO] Result: OK

If limits are exceeded, it will show the warning before upgrade can be started.

These limits can be changed from hardware node.

None of limits in /proc/user_beancounters should be exceeded.

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