YCSB
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[DynamoDB] Implemented optional batchWriteItem support for inserts and upgraded to AWSK SDK for Java v2
Adding support for using DynamoDB Batch write API and upgraded to AWS SDK for Java v2. Using batch writing during the load phase of YCSB provides a significant performance benefit, especially when creating larger test data sets.
@arjanschaaf looks good, especially the part of switching to newer aws client, and setting the credentials not only from a configuration file.