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ALTER SYSTEM CLEAR

Clear CPU, GPU, or RENDER memory. Available to super users only.

ALTER SYSTEM CLEAR (CPU|GPU|RENDER) MEMORY

Examples

ALTER SYSTEM CLEAR CPU MEMORY

ALTER SYSTEM CLEAR GPU MEMORY

ALTER SYSTEM CLEAR RENDER MEMORY

Generally, the server handles memory management, and you do not need to use this command. If you are having unexpected memory issues, try clearing the memory to see if performance improves.