MEMORY PURGE
The MEMORY PURGE command attempts to purge dirty pages so these can be reclaimed by the allocator.
This command is currently implemented only when using jemalloc as an allocator, and evaluates to a benign NOOP for all others.
© 2009–2018 Salvatore Sanfilippo
Licensed under the Creative Commons Attribution-ShareAlike License 4.0.
https://redis.io/commands/memory-purge