YCSB 0.6.0

Incompatible changes

• ❗ #507 Record latency of successful and failed operations separately.
• ❗ #90 Added variance calculation of histogram latency reporting.

Known issues

• ❗ The Cassandra CQL clients do not use prepared statements (#458).
• The mongodb binding does not honor the maxPoolSize=XX parameter and instead opens a connection per client thread. (see #317)
• ‼️ Running directly from a source checkout on Windows is not supported. (see #335)
• Several unsupported datastore bindings are still listed in CLI help. (see #328)
• The Accumulo binding may report errors during cleanup. (see #340)
• The HBase binding does not report a clear error message on encountering version incompatibility. (see #343)

Changes

• #545: Update Tarantool driver version
• #528: Bump Kudu dependency to 0.6.0
• #540: Kudu - Bump the default admin timeout
• #518: Added memcached binding
• #535: Removed groupId (duplicate parent)
• #500: Add a Google Datastore client
• #372, #512: Add S3 storage bindings
• ‼️ #537: Cassandra - Added large deprecation message
• #536: Cassandra 2 - Added better property handling
• #526: Improved bin/ycsb script
• #570: Accumulo binding does not work in 0.5.0 release
• #561: removed tracing from Cassandra insert operations

Tested Databases

Tested support

The following datastore bindings have been verified as working as of this release:

• 🆕 Amazon S3.
• 🆕 Google Cloud Datastore.
• 🆕 Memcached.
• Apache Accumulo 1.6.0.
• Kudu (via kudu binding).
• Apache HBase (via hbase10 binding) 1.0.2.
• Aerospike (via aerospike binding).
• Tarantool 1.6.7.
• MongoDB 3.2.0, 3.0.8, 2.6.11, 2.4.14, 2.2.7, 2.0.9, 1.8.5 (via mongodb or mongodb-async binding).
• Apache Cassandra (via cassandra2-cql binding) 2.2.4.

Untested

• Apache Cassandra versions prior to 2.0.
• Apache HBase versions prior to 1.0.
• Couchbase 1.1.
• DynamoDB 1.3
• ElasticSearch
• Gemfire 8.1
• HyperTable 0.9
• Infinispan 7.2.2
• OrientDB 1.7.5