Igniters, We have uploaded a 2.3.0 release candidate to https://dist.apache.org/repos/dist/dev/ignite/2.3.0-rc2/
Git tag name is 2.3.0-rc2 This release includes the following changes: Ignite: * Ability to enable persistence per data region. * Default page size is changed to 4KB. * Ability to enable and disable rebalancing per-node. * Added methods for batch services deployment. * Introduced cache start/stop order on cluster activation. * EstimatedRebalancingFinishTime and RebalancingStartTime metrics are exposed through MXBean interface. * Ability to (de)activate cluster via http-rest API. * Added Ignite update notifier. * Updated Lucene dependency to version 5.5.2. * Added an option to disable MBeans. * Added sorted and multithreaded checkpoint modes. * Added calculation of fill factor memory metric in persistent mode. * Added estimated time for rebalance start and completion to cache metrics. * Added API to add binary metadata locally. * Added write throttling during an ongoing checkpoint to avoid zero performance drops. * Ability to convert WAL to human-redable form. * Ability to handle CacheObject from DataRecord in standalone WAL iterator. * Support for uninterruptable writes using AsyncFileIOFactory; enabled with -DIGNITE_USE_ASYNC_FILE_IO_FACTORY=true. * Enhanced persistent store path resolving to not rely on automatically generated consistent ID. * Pre-configure local event listeners with IgniteConfiguration. LocalEventListeners. * Massive performance and stability improvements. Ignite.NET: * LINQ: Local collections joins support. * LINQ: Regex support. Ignite CPP: * Added Compute::Broadcast method. * Added Ignite::SetActive method. SQL: * Added sqlline utility to the build. * CREATE TABLE: Added NOT NULL support. * CREATE TABLE: Ability to specify cache, key type and value type names. * CREATE TABLE: Added "WRAP_KEY" and "WRAP_VALUE" options to CREATE TABLE command. * CREATE TABLE: Added DATA_REGION option. * CREATE TABLE: Added WRITE_SYNCHRONIZATION_MODE option. * ALTER TABLE: ADD COLUMN support. * Added lazy query execution mode (SqlFieldsQuery.setLazy). * Added QuerySqlField.inlineSize property. * Added FieldsQueryCursor interface to get fields metadata for SqlFieldsQuery. * Added QueryEntity(Class keyClass, Class valueClass) constructor. * Improved LocalDate, LocalTime and LocalDateTime support for Java 8. * Optimized memory consumption during query execution. * Fixed BigInteger data type handling. JDBC Driver: * Batch update support. * SQLSTATE error codes support. * Added "enforceJoinOrder" flag to connection string. * Added "skipReducerOnUpdate" flag. * Thin driver: Allowed execution of multiple SQL statements in one command. * Thin driver: Added metadata support. * Thin driver: Added type conversions in accordance with specification. * Thin driver: Added schema to connection string. * Thin driver: Added Statement.closeOnCompletion() support. * Appended UUID to thick driver's Ignite instance name to avoid collision with user-created instances. * Fixed a bug in PreparedStatement not clearing query parameters after execution. ODBC Driver: * SQLSTATE error codes support. * Support for BINARY and VARBINARY types. * DML statement batching. * SQL_ATTR_CONNECTION_DEAD connection attribute. * SQLGetInfo for info types. * Added "skipReducerOnUpdate" flag. * SQLRowCount now returns number of affected rows for non-batch queries. * SQLBindParameter do not unbind parameter if the ParameterValuePtr is NULL anymore. * Fixed error on cursor closing before all the rows from the result fetched. Machine Learning: * Implemented K-means clustering algorithm optimized for distributed storages. * Introduced sparse block distributed matrix. * Initial BLAS implementation. * Integration with BLAS via netlib. * Added getRow() and getCol() methods to Matrix API. Web Console: * Improved DDL support. * Added PK alias generation on Models screen. * Added generation of QueryEntity.keyFields on model import from RDBMS. * Added sanitize user on save. * Added charts with throughput and latency metrics for cache operations. * Added version to footer. * Added "Lazy ResultSet" flag on Queries screen. * Implemented refresh rate for Monitoring screen. * Implemented cluster nodes log viewer. Visor: * Ability to keep connection opened in batch mode. * Ability to activate/deactivate cluster. * Improved cache statistics. * Added missing configuration properties to "config" command. * Fixed script execution after alert throttling interval. Complete list of closed issues: https://issues.apache.org/jira/issues/?jql=project%20%3D%20IGNITE%20AND% 20fixVersion%20%3D%202.3%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/2.3.0-rc2 RELEASE NOTES https://git-wip-us.apache.org/repos/asf?p=ignite.git;a=blob_plain;f=RELEASE_NOTES.txt;hb=refs/tags/2.3.0-rc2 Please start voting. +1 - to accept Apache Ignite 2.3.0-RC2 0 - don't care either way -1 - DO NOT accept Apache Ignite 2.3.0-RC2 (explain why) This vote will go for 72 hours. Vladimir.
