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**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*.