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Diffstat (limited to 'iredis/data/commands/cluster-keyslot.md')
| -rw-r--r-- | iredis/data/commands/cluster-keyslot.md | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/iredis/data/commands/cluster-keyslot.md b/iredis/data/commands/cluster-keyslot.md index 5f08e79..7e03587 100644 --- a/iredis/data/commands/cluster-keyslot.md +++ b/iredis/data/commands/cluster-keyslot.md @@ -1,31 +1,23 @@ -Returns an integer identifying the hash slot the specified key hashes to. This -command is mainly useful for debugging and testing, since it exposes via an API -the underlying Redis implementation of the hashing algorithm. Example use cases -for this command: +Returns an integer identifying the hash slot the specified key hashes to. +This command is mainly useful for debugging and testing, since it exposes +via an API the underlying Redis implementation of the hashing algorithm. +Example use cases for this command: -1. Client libraries may use Redis in order to test their own hashing algorithm, - generating random keys and hashing them with both their local implementation - and using Redis `CLUSTER KEYSLOT` command, then checking if the result is the - same. -2. Humans may use this command in order to check what is the hash slot, and then - the associated Redis Cluster node, responsible for a given key. +1. Client libraries may use Redis in order to test their own hashing algorithm, generating random keys and hashing them with both their local implementation and using Redis `CLUSTER KEYSLOT` command, then checking if the result is the same. +2. Humans may use this command in order to check what is the hash slot, and then the associated Redis Cluster node, responsible for a given key. ## Example ``` > CLUSTER KEYSLOT somekey -11058 +(integer) 11058 > CLUSTER KEYSLOT foo{hash_tag} (integer) 2515 > CLUSTER KEYSLOT bar{hash_tag} (integer) 2515 ``` -Note that the command implements the full hashing algorithm, including support -for **hash tags**, that is the special property of Redis Cluster key hashing -algorithm, of hashing just what is between `{` and `}` if such a pattern is -found inside the key name, in order to force multiple keys to be handled by the -same node. +Note that the command implements the full hashing algorithm, including support for **hash tags**, that is the special property of Redis Cluster key hashing algorithm, of hashing just what is between `{` and `}` if such a pattern is found inside the key name, in order to force multiple keys to be handled by the same node. @return |