| Max key length | 200 bytes |
| Max value length | 31MB |
| Max request/response size | 31MB |
| Max elements in a HASH | 9,223,372,036,854,775,807 |
| Max elements in a ZSET | 9,223,372,036,854,775,807 |
| Max elements in a QUEUE | 9,223,372,036,854,775,807 |
| Max number of command arguments | all arguments do not exceed 31MB total size |