YCSB 0.8.0

Incompatible changes

• ❗ Elasticsearch config parameter changes. See elasticsearch/README.md for full list (#684).

Known issues

• ❗ The Cassandra CQL clients do not use prepared statements (#458).
• ❗ Updated datastax drivers to support Cassandra 3.
• Building Cassandra CQL with JDK 8 issues a org.hyperic.sigar.SigarException: no libsigar-amd64-linux.so in java.library.path. JDK 7 builds OK.
• 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 HBase binding does not report a clear error message on encountering version incompatibility. (see #343)
• Datastore drivers that lack timeouts may result in YCSB failing to honor the maxexecutiontime parameter. (See #618)

Changes

• #626, #627, #628: Accumulo improvements
• #669, #673: Cassandra improvements
• #641, #656, #657: Core improvements
• #631: Couchbase improvements
• #647: Dynamodb improvements
• #644, #684, #693: Elasticsearch improvements
• #648: Geode improvements
• #621, #651, #692: HBase10 improvements
• #650: Infinispan improvements
• #629: Orientdb improvements
• #652: S3 improvements
• #649: Tarantool improvements

Tested Databases

Tested support

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

• Apache Accumulo 1.6.0 (via accumulo binding).
• Apache Cassandra 2.5.5 (via cassandra2-cql binding).
• Couchbase 4.1 (via couchbase binding).
• DynamoDB using AWS SDK 1.10.48 (via dynamodb binding).
• Elasticsearch 2.0.2, 2.1.2, 2.2.2, 2.3.1 (via elasticsearch binding).
• Apache Geode (incubating) 1.0.0-incubating.M1 (via geode binding).
• Apache HBase 1.0.0 (CDH5.5.2) (via hbase10 bindings).
• MongoDB 1.8.5(async only), 2.0.9, 2.2.7, 2.4.14, 2.6.12, 3.0.11, 3.2.4 (via mongodb and mongodb-async bindings).
• Amazon S3 (via s3 binding).
• Tarantool 1.6.6-249, 1.6.8, 1.7-alpha (via tarantool binding).

Supported

• Aerospike (via aerospike binding).
• Apache HBase 0.9.8 (via hbase098 binding).
• Apache Kudu (incubating) (via kudu binding).
• Apache Solr 5.4.0 (via solr binding).
• Google Cloud Datastore (via googledatastore binding).
• JDBC on MySQL 5.1.73 (via jdbc binding).
• Memcached 1.4.4 (via memcached binding).

Untested

• Apache Cassandra versions prior to 2.0 (via cassandra-7, cassandra-8, cassandra-10 bindings).
• Apache Cassandra versions 3+ (via cassandra2-cql bindings).
• Apache HBase (via hbase094 binding).
• HyperTable (via hypertable binding).
• Infinispan (via infinispan and infinispan-cs bindings)
• Mapkeeper (via mapkeeper binding)
• NoSQLDB (via nosqldb binding)
• OrientDB 2.1.2 (via orientdb binding).