name : update-shard-count.rst **To update the shard count in a data stream** The following ``update-shard-count`` example updates the shard count of the specified data stream to 6. This example uses uniform scaling, which creates shards of equal size. :: aws kinesis update-shard-count \ --stream-name samplestream \ --scaling-type UNIFORM_SCALING \ --target-shard-count 6 Output:: { "StreamName": "samplestream", "CurrentShardCount": 3, "TargetShardCount": 6 } For more information, see `Resharding a Stream <https://docs.aws.amazon.com/streams/latest/dev/kinesis-using-sdk-java-resharding.html>`__ in the *Amazon Kinesis Data Streams Developer Guide*.