Igniters, We have uploaded a 2.4.0 release candidate to https://dist.apache.org/repos/dist/dev/ignite/2.4.0-rc1/
Git tag name is 2.4.0-rc1 This release includes the following changes: Ignite: * Introduced Baseline Affinity Topology * Ability to disable WAL for cache in runtime through IgniteCluster API or ALTER TABLE command * Added ability to convert WAL to human-readable form * Ability to enable/disable JDBC, ODBC and thin client endpoints * Project moved to Java 8 * Java 7 is no longer supported * Apache Ignite can be run on Java 9 * Introduced Apache Ignite packaging with RPM * Spark Data Frames support * Added integration with Spring 3.x * Added handler to stop node when IO error is encountered * EvictionPolicyFactory support added to CacheConfiguration * Added JMX metrics for memory regions * Added detailed memory consumption on start and OOM reporting * Added custom thread pools monitoring * Support Ignite MR in Kerberized environment without IGFS * S3 IP finder: support server side encryption and bucket endpoint configuration * Multiple fixes and performance optimizations Ignite.NET: * Thin Client initial release * .NET Core / Linux / macOS support * Mono platform support * Removed C++ JNI layer SQL: * Added DEFAULT support to CREATE TABLE command * Added ALTER TABLE DROP COLUMN support * Added INLINE_SIZE option to CREATE INDEX command * Added PARALLEL option to CREATE INDEX command * Added optional on-heap row cache * INSERT command now can be executed without explicit column names (INSERT INTO table VALUES ...) * Allowed multiple caches to share the same schema * Added support for Java 8 Date and Time API * Added "notNull" property to QuerySqlField annotation * Improved COUNT(*) performance * Fixed a problem causing an exception in certain nodes do not have primary partitions for REPLICATED cache * Fixed per-thread H2 connection leak. * Fixed partition exchange hang due to SQL query running inside a transaction. JDBC Driver: * Optimized batched operations processing ODBC Driver: * Added support of multiple statements execution with one call * Added support of SQL_ATTR_CONNECTION_TIMEOUT * Added support of SQL_ATTR_QUERY_TIMEOUT * Optimized batched operations processing * Proper handling of ungraceful TCP disconnects (keep-alive connection) * Fixed error preventing close of executed DML statement * Fixed table names returned by SQLTables for DDL-created tables Machine Learning: * Implemented Fuzzy c-means algorithm * Implemented gradient descent for OLS Linear Regression * Implemented K nearest neighbor algorithm * Introduced API for datasets * Introduced API for ML model and trainers * Introduced common mechanism for group training of models * Added distributed version of multilayer perceptron * Added local version of multilayer perceptron * Added basic import/export functionality for ml models * Added decision tree algorithm * Performance optimizations for distributed operations Web Console: * Implemented component for cluster selection and activation * Implemented support for multiple statements on Queries screen * Implemented progress indication for 'execute', 'scan' and 'export' actions on Queries screen * Added support for ClientConnectorConfiguration * Added several SQL examples on Queries screen * Added "Connected clusters" component in header * Added support for custom SMTP server configuration * Added detection of CSV separator based on browser locale * Added "Copy to clipboard" action on Queries screen * Added duration and node ID in results header and 'Show query' modal * Improved support for binary JDBC types on import from RDBMS * Fixed Web Console under IE11 * Fixed configuration generation for imported model in case of Oracle NUMBER(5) data type * Fixed output of big numbers in SQL query results Visor: * Added "-quiet" flag for batch mode * Added ability to start cache rebalance * Added output of data region metrics to "node" command * Added dialog to put/get/remove values to/from cache for simple key types * Show valid message for caches when cluster is inactive * Fixed 'cache -a' in case of node filter * Fixed reading last command line in batch mode * Updated eviction policy factory in configs Complete list of closed issues: https://issues.apache.org/jira/issues/?jql=project%20%3D%20IGNITE%20AND%20fixVersion%20%3D%202.4%20AND%20(status%20%3D%20closed%20or%20status%20%3D%20resolved) DEVNOTES https://git-wip-us.apache.org/repos/asf?p=ignite.git;a=blob_plain;f=DEVNOTES.txt;hb=refs/tags/2.4.0-rc1 RELEASE NOTES https://git-wip-us.apache.org/repos/asf?p=ignite.git;a=blob_plain;f=RELEASE_NOTES.txt;hb=refs/tags/2.4.0-rc1 Please start voting. +1 - to accept Apache Ignite 2.4.0-RC1 0 - don't care either way -1 - DO NOT accept Apache Ignite 2.4.0-RC1 (explain why) This vote will go for 72 hours. Vladimir.
