{ "STATS": { "summary": "Returns details about memory usage.", "complexity": "O(1)", "group": "server", "since": "4.0.0", "arity": 2, "container": "MEMORY", "function": "memoryCommand", "command_tips": [ "NONDETERMINISTIC_OUTPUT", "REQUEST_POLICY:ALL_SHARDS", "RESPONSE_POLICY:SPECIAL" ], "reply_schema": { "description": "memory usage details", "type": "object", "additionalProperties": false, "properties": { "peak.allocated": { "type": "integer" }, "total.allocated": { "type": "integer" }, "startup.allocated": { "type": "integer" }, "replication.backlog": { "type": "integer" }, "clients.slaves": { "type": "integer" }, "clients.normal": { "type": "integer" }, "cluster.links": { "type": "integer" }, "aof.buffer": { "type": "integer" }, "lua.caches": { "type": "integer" }, "functions.caches": { "type": "integer" }, "overhead.total": { "type": "integer" }, "keys.count": { "type": "integer" }, "keys.bytes-per-key": { "type": "integer" }, "dataset.bytes": { "type": "integer" }, "dataset.percentage": { "type": "number" }, "peak.percentage": { "type": "number" }, "allocator.allocated": { "type": "integer" }, "allocator.active": { "type": "integer" }, "allocator.resident": { "type": "integer" }, "allocator-fragmentation.ratio": { "type": "number" }, "allocator-fragmentation.bytes": { "type": "integer" }, "allocator-rss.ratio": { "type": "number" }, "allocator-rss.bytes": { "type": "integer" }, "rss-overhead.ratio": { "type": "number" }, "rss-overhead.bytes": { "type": "integer" }, "fragmentation": { "type": "number" }, "fragmentation.bytes": { "type": "integer" } }, "patternProperties": { "^db.": { "type": "object", "properties": { "overhead.hashtable.main": { "type": "integer" }, "overhead.hashtable.expires": { "type": "integer" }, "overhead.hashtable.slot-to-keys": { "type": "integer" } }, "additionalProperties": false } } } } }