vinfra memory-policy vstorage-services per-cluster change

Change per-cluster memory parameters:

usage: vinfra memory-policy vstorage-services per-cluster change
       [--guarantee <guarantee>] [--swap <swap>] [--cache-ratio <cache-ratio>
       --cache-minimum <cache-minimum> --cache-maximum <cache-maximum>]

--guarantee <guarantee>

Guarantee, in bytes

--swap <swap>

Swap size, in bytes, or -1 if unlimited

--cache-ratio <cache-ratio>

Cache ratio from 0 to 1 inclusive

--cache-minimum <cache-minimum>

Minimum cache, in bytes

--cache-maximum <cache-maximum>

Maximum cache, in bytes

Example:

# vinfra memory-policy vstorage-services per-cluster change \
--guarantee 8796093022208 --swap 1099511627776 --cache-ratio 0.5 \
--cache-minimum 1099511627776 --cache-maximum 3298534883328
+-----------+------------------------+
| Field     | Value                  |
+-----------+------------------------+
| cache     | maximum: 3298534883328 |
|           | minimum: 1099511627776 |
|           | ratio: 0.5             |
| guarantee | 8796093022208          |
| swap      | 1099511627776          |
+-----------+------------------------+

This command sets the storage services memory parameters for all nodes in the storage cluster as follows:

• The memory guarantee to 8 GB
• The swap size to 1 GB
• The page cache limits: the minimum to 1 GB, the maximum to 3 GB, and the cache ratio to 0.5