Downstream users should note that these release notes cover some changes already included in the 0.16.0 non-production release.

Incompatible Changes

‼️ The project's maven coordinates have changed to use group id site.ycsb and Java packages have changed to be in site.ycsb (#1340)
❗ Azure Document DB has been removed (#1295)
❗ JDBC binding now semicolon for sharding (#1233)

Known Issues

The mongodb binding does not honor the maxPoolSize=XX parameter and instead opens a connection per client thread. (see #317)
Mongodb binding use with AWS DocumentDB requires manually converting SSL CA format (see #1314)
Datastore drivers that lack timeouts may result in YCSB failing to honor the maxexecutiontime parameter. (see #618)
"Latest" distribution does not work properly on update transactions. (see #640)
Accumulo client currently always claims success even when the record it's supposed to operate on (e.g. for a read) doesn't exist. (see #699)
JDK 9 and JDK 10 are not supported. (see #704)
ArangoDB client bindings fail to work with ArangoDB authentication (see #1155)
HBase 2.0 client bindings doesn't include an slf4j logging-binding and so doesn't provide log messages from the client library (see #1173)
The Accumulo client bindings do not work with kerberos enabled clusters (see #1211)
Memcached update deletes all fields except the one updated (see #1358)
Data integrity verification doesn't check the number of fields. (see #1359)
Workload D reports read failures when used with client side batched inserts (see #1356)

🆕 Apache Crail (incubating) (#1266)
Apache HBase on HDP 2.6.5 via hbase098, hbase10, hbase12, hbase14, and asynchbase bindings and CDH6 via hbase20 binding
- add documentation for using client side buffering (#1283)
- changed API for table checks (#1315)
- fixed doc for skipping WAL writes (#1324)
Apache Ignite (incubating) 2.6.0 (via ignite and ignite-sql)
- client versoin bump (#1270)
🆕 Azure Cosmos DB (#1264 #1298 #1300)
- and Azure Cosmos DB Cassandra API via the cassandra-cql binding with SSL (#1294)
JDBC checked with MsSQL and CockroachDB 2.0.3
- 🆕 now works with mssql (#1350)
- adds multi-row inserts (#1220)
- ❗ uses semicolon for sharding (#1233)
MongoDB versions 4.2.0, 4.0.12. 3.6.14, 3.4.23, 3.2.22, 3.0.15, 2.6.12
- added compatibility for MongoDB v4 (#1217)
🆕 Postgres NoSQL with Postgres 9.5 and 9.6 via the postgrenosql binding (#1242)
🆕 Table Store from Alibaba Cloud (#1286)
🆕 Toshiba GridDB (#1258)
🆕 VoltDB v9.1.1 via the voltdb binding (#1319)

If you make use of one of these stores and can verify it works, please add a note to #1355

memcached
- work done on logic error where individual fields would not get updated (#1153)