Apache Ignite 2.16.0

WARNINGS

• Operations on atomic caches within transactions are finally forbidden. The system property IGNITE_ALLOW_ATOMIC_OPS_IN_TX has been removed.
• Removed CacheAtomicityMode#TRANSACTIONAL_SNAPSHOT cache mode.
• Mixed mode cache groups are now forbidden, but IGNITE_ALLOW_MIXED_CACHE_GROUPS system option may temporarily allow them.
• The ignite-ml and cassandra modules have been migrated to the Ignite extensions.

Ignite

• Added ARM64 Docker images.
• Added CLIENT_CONNECTION_ATTRIBUTES system view.
• Added ability to configure metric exporter filter from Spring XML.
• Added cache dumps.
• Added extended debug logging of client connections.
• Added limit support to IndexQuery.
• Added logging of snapshot check procedure.
• Added metrics for operations on secondary indexes.
• Added performance statistics for IndexQuery.
• Added performance statistics info about query properties and processed rows count by query.
• Added size limit of the client session outbound message queue.
• Added topology snapshot info to services system view.
• Deprecated legacy authorization approach via Security Context.
• Deprecated rebalance related methods in the ClientCacheConfiguration.
• Fixed JavaNioAccess handling in JDK 14 and later.
• Fixed MappedFile.map for JDK 14 and newer.
• Fixed NPE during defragmentation OOM exception handling.
• Fixed NPE during transaction recovery.
• Fixed NPE on snapshot create operation for in-memory cluster.
• Fixed StoredCacheData removing when a node filter is set.
• Fixed WAL logging to an archived segment after node restart.
• Fixed an issue when IgniteLock cannot be acquired after release on JDK 17.
• Fixed an issue when TTL is not set for entries inserted with "insert from select" query.
• Fixed an issue when a transaction never finishes on timeout when deadlock detection is disabled.
• Fixed an issue where continuous queries caused excessive memory usage.
• Fixed assertion error in case of empty SQL query.
• Fixed assertion error on defragmentation.
• Fixed broken serialization of communication messages due to incorrect GridCacheQueryRequest class marshalling.
• Fixed continuous queries backup ack message sending for expired entries.
• Fixed deprecation of PartitionLossPolicy (READ_ONLY_ALL, READ_WRITE_ALL).
• Fixed doubled serialization of CQ event oldValue field for REMOVE/EXPIRY events.
• Fixed duplicate index error after CREATE INDEX IF NOT EXISTS on different tables.
• Fixed erroneous logging of failed index rebuild.
• Fixed exception message for transaction timeout before data lock acquired.
• Fixed failure on sqlOnHeapCache=enabled and more than one index used.
• Fixed histogram metric configuration restore on node restart.
• Fixed in-memory server node crashing by TcpIgniteClient.putAllConflict() if cache objects transformation applied.
• Fixed log message about sending and receiving partition file during snapshot restore.
• Fixed log message of snapshot create operation with the warning result.
• Fixed negative duration in the SQL query system view.
• Fixed node crash due to SecurityContext not found during discovery message processing.
• Fixed opencensus-exporter-trace-zipkin dependency scope.
• Fixed possibility to create two caches with the same schemas and index names.
• Fixed possible failures of cache operations when performed through a thin client with Partition Awareness enabled.
• Fixed server nodes crashing if the cache directory contains illegal chars.
• Fixed snapshot creation failing when check throws an exception.
• Fixed snapshot restore metrics is case of an error on prepare.
• Fixed snapshot restore rollback if start cache stage failed.
• Fixed startup on Java 21.
• Fixed the defragmentation can't be configured to use one thread issue.
• Fixed usage of sandbox to create CacheStore.
• Fixed usage of vulnerable init setting in H2 connection.
• Fixed writing post-handshake message in NIO server.
• Removed deprecated "ssl.key.algorithm" Ignite system property - "ssl.KeyManagerFactory.algorithm" is used instead.
• Removed the GridSslContextFactory from public API.
• Updated Snappy-java dependency version to 1.1.10.4.
• Updated Spring dependency version to 5.2.25.RELEASE.
• Updated guava dependency version to 32.1.2.
• Updated jetty dependency version to 9.4.53.v20231009.
• Updated postgresql dependency version to 42.6.0.
• Updated snappy dependency version to 1.1.10.4.
• Updated zookeeper dependency version to 3.8.3.
• Updated zstd dependency version to 1.5.5.

SQL Calcite

• Added ENFORCE_JOIN_ORDER hint.
• Added FORCE_INDEX/NO_INDEX hints.
• Added events on query execution (EVT_CACHE_QUERY_OBJECT_READ, EVT_SQL_QUERY_EXECUTION).
• Added explicit commons-codec dependency.
• Added local flag support.
• Added long-runing queries and big result-set queries warnings.
• Added metrics for CalciteQueryExecutor thread pool.
• Added partition pruning.
• Added queries timeout support.
• Added sensitive information hiding when IGNITE_TO_STRING_INCLUDE_SENSITIVE property is set to false.
• Added support of setting partitions in SqlFieldsQuery.
• Fixed CREATE TABLE ... WITH affinity_key option validation.
• Fixed NPE on write query plan to performance statistics.
• Fixed SQL metrics (added parsing metrics for the Calcite-based engine, fixed execution metrics).
• Fixed failure on planning when cache size exceeds Integer.MAX_VALUE.
• Fixed list of reserved keywords.
• Fixed memory leak in MailboxRegistryImpl#remotes.
• Fixed performance statistics collection.
• Fixed placeholder values from ModifyNode.
• Fixed primary key inline size calculation.
• Fixed query leak on remote fragment initialization phase failure.
• Fixed the query freezes when partitions are set issue.
• Updated calcite dependency version to 1.34.0.

Control utility

• Added JMX commands invoker.
• Added compact footer usage statistics to the idle_verify command.
• Added descriptions and values to the properties list command.
• Added node Consistent ID to the index validate command output.
• Added number of partitions processed by the index worker to the output of the index commands.
• Added support of SslContextFactory to CommandHandler (instead of GridSslBasicContextFactory).
• Added support of custom SSL factory.
• Added the cache create command.
• Added the multiple nodes argument to the 'indexes_force_rebuild' and 'schedule_indexes_rebuild' commands.
• Fixed connectable nodes list.
• Fixed control utility module location for slim and LGPL assemblies.
• Fixed idle_verify hash conflicts for expiring entries.
• Fixed result printing of performance statistics subcommands.
• Fixed the page size of cache scan command to meet the limit argument.

Java thin client

• Added Service Awareness feature.
• Fixed Java thin client socket#open timeout to ClientConfiguration#timeout property.
• Fixed cache objects transformation in Java thin client.
• Fixed potential SocketChannel leak on failed connection.
• Removed artificial port range upper limit of 49151.

Ignite .NET

• Fixed node crash due to OverflowException in Callbacks.ConsoleWrite.

Ignite .NET thin client

• Added partition awareness support for types with affinity key.