**To split shards**
The following ``split-shard`` example splits the specified shard into two new shards using a new starting hash key of 10. ::
aws kinesis split-shard \
--stream-name samplestream \
--shard-to-split shardId-000000000000 \
--new-starting-hash-key 10
This command produces no output.
For more information, see `Splitting a Shard <https://docs.aws.amazon.com/streams/latest/dev/kinesis-using-sdk-java-resharding-split.html>`__ in the *Amazon Kinesis Data Streams Developer Guide*.