GridGain Professional Edition 2.5.2 Release Notes

Software Datasheet

Features and Improvements

  • Visor CMD: Added support for scan of near cache. [#IGNITE-2093]
  • .NET: Added SSL configuration for node-to-node links [#IGNITE-3111]
  • REST: Added support for Java built in types (boolean, int, long, ..., UUID) for put/get operations. [#IGNITE-3345]
  • Added continuous queries with transformers [#IGNITE-425]
  • DML update via LINQ [#IGNITE-5298]
  • Web Console: Configuration reworked to new modern design with improved usability. [#IGNITE-5466]
  • Default and recommended JVM options are updated [#IGNITE-6521]
  • Implemented distributed version of SVM(support vector machine algorithm. [#IGNITE-6585]
  • JDBC thin driver: SSL support [#IGNITE-6625]
  • Propagated query metrics to .NET: ICache.GetQueryMetrics(), ICache.ResetQueryMetrics(). [#IGNITE-6681]
  • ODBC: Added SSL support [#IGNITE-6810]
  • Web Console: Upgraded build to use Webpack 4. [#IGNITE-6816]
  • SQL: implemented COPY command for fast data load [#IGNITE-6917]
  • Changed Log4J and Log4J2 adapters to update active logger configuration when configuration source file is modified. [#IGNITE-6946]
  • JDBC thin driver: multiple addresses in connection string [#IGNITE-7029]
  • Web Console: Implemented initial E2E tests. [#IGNITE-7064]
  • Added optimizations for Spark Dataframe support [#IGNITE-7077]
  • Added DEB package and improved RPM package [#IGNITE-7108]
  • Thin JDBC: Added FQDN to multiple IPs support for connection establishment [#IGNITE-7192]
  • Implemented Zookeeper discovery SPI [#IGNITE-7222]
  • Client node should not create folder for binary_meta as it doesn't persist it to disk [#IGNITE-7252]
  • JDBC thin driver: streaming mode [#IGNITE-7253]
  • Introduced log markers support to IgniteLogger and standard DEV_ONLY marker [#IGNITE-7284]
  • Implemented Linear SVM for binary classification. [#IGNITE-7316]
  • .NET thin client: SSL support. [#IGNITE-7329]
  • Jva thin client: initial implementation [#IGNITE-7421]
  • Simple username/password authentication [#IGNITE-7436]
  • Implemented distributed partition based datasets for ML algorithms. [#IGNITE-7437]
  • Implemented LSQR-based linear regression. [#IGNITE-7438]
  • Added support for authentication parameters to control.sh utility. [#IGNITE-7485]
  • SQL COPY command: CHARSET option for FORMAT CSV [#IGNITE-7535]
  • .NET: Dynamic service proxies [#IGNITE-7561]
  • BinaryMetadata exchange is triggered only if there are actual changes in BinaryMetadata [#IGNITE-7699]
  • Add option IGNITE_SQL_FORCE_LAZY_RESULT_SET to force all SQL queries on node 'lazy'. [#IGNITE-7712]
  • REST: Enhanced GET_OR_CREATE_CACHE command with optional templateName, backups, cacheGroup, dataRegion and writeSynchronizationMode options.[#IGNITE-7725]
  • Added handling of critical failures in system workers (IEP-14) [#IGNITE-7772]
  • REST: Implemented possibility to get values from cache inserted via API or SQL. [#IGNITE-7803]
  • ODBC: Support multiple addresses in connection string [#IGNITE-7811]
  • Improved Apache Ignite and Web Console docker image build [#IGNITE-7821]
  • ODBC: Implemented username/password authentication [#IGNITE-7852]
  • JDBC thin driver: changed default socket buffer size to 64Kb. [#IGNITE-7860]
  • Control utility: Added confirm on dangerous operations. [#IGNITE-7864]
  • ODBC: Added support for SQL_ATTR_LOGIN_TIMEOUT [#IGNITE-7888]
  • DML: improved deadlock handling [#IGNITE-7984]
  • REST: Added support for new authentication API. [#IGNITE-8002]
  • SQL: Authorization for CREATE TABLE and DROP TABLE commands. [#IGNITE-8135]
  • JDBC thin driver: semicolon now can be used as delimiter for properties in URL string [#IGNITE-8148]
  • The new method was added IgniteMXBean.getCurrentCoordinatorFormatted() to show string representation of current coordinator. [#IGNITE-8430]

Fixed

  • Opportunistically reopen caches after client node rejoins topology. [#IGNITE-2766]
  • Fixed iIncorrect mapping of smallint cassandra type. [#IGNITE-5779]
  • Fixed bug with ScanQuery transformer which applies to the first result page only [#IGNITE-5804]
  • Fixed null value being passed to entry processor when such entry actually exists [#IGNITE-6083]
  • Web Console: Added support for persistence in demo mode. [#IGNITE-6094]
  • Partition eviction now does not block exchange [#IGNITE-6113]
  • Detailed information about fields serialization/deserialization errors added to BinaryMarshaller [#IGNITE-6860]
  • Fixed problem when cluster could not survive after IgniteOOM [#IGNITE-7019]
  • IgniteReflectionFactory properly handles primitive data types. [#IGNITE-7193]
  • Fixed fillFactor memory metric value. [#IGNITE-7489]
  • Fixed contention while executing parallel atomic single get operations. [#IGNITE-7508]
  • Fixed affinity to always choose primary node from one of the owners when persistence is enabled [#IGNITE-7514]
  • Properly throw exception from IsolatedUpdater of DataStreamer [#IGNITE-7519]
  • Fixed cache metadata corruption during concurrent checkpoint and cache destroy [#IGNITE-7540]
  • Fixed SQL query hang if grid contain nodes not in baseline. [#IGNITE-7628]
  • Fixed performance regression in FullPageIdTable when page replacement starts [#IGNITE-7638]
  • C++: Fixed bug with LocalSize cache method [#IGNITE-7682]
  • Fixed bug with checkpoint buffer overflow with enabled throttling [#IGNITE-7751]
  • Fixed LOG_ONLY and BACKGROUND modes to be power-crash resistant [#IGNITE-7754]
  • Share persisted marshaller mappings when connecting [#IGNITE-7794]
  • After adding this commit IGNITE-8210 the problem is not reproduced. A corresponding unit test 'testOwningPartitionsOnRebalance' was added to the code. [#IGNITE-7847]
  • Web Console: Fixed enum values decoding for SQL queries. [#IGNITE-7880]
  • .NET: LINQ: fixed GroupBy and Where issue [#IGNITE-7889]
  • Fixed the issue when ComputeTaskFuture.get() threw a trimmed exception chain: now full exception chain is propagated to the caller; the exception thrown from IgniteCompute methods may now differ from the previous behavior. [#IGNITE-7904]
  • .NET: Fixed hang caused by mishandled exception during custom cache store deserialization [#IGNITE-7928]
  • Fixed incorrect finishing of implicit transactions on unstable topology [#IGNITE-8000]
  • Optimized checkpoint lock acquisition for demander thread [#IGNITE-8019]
  • Destroy caches with enabled persistence now will not survive grid restart. [#IGNITE-8021]
  • Preventing infinite iterations of corrupted B+Tree. New IGNITE_BPLUS_TREE_LOCK_RETRIES property was added default value is Integer.MAX_VALUE.[#IGNITE-8049]
  • Fixed issue with local partitions size changing inside checkpoint write lock [#IGNITE-8053]
  • Fixed potential deadlock during preloading. [#IGNITE-8087]
  • Fix service deployment from nodes outside of baseline topology. [#IGNITE-8134]
  • Fixed hanging of node stopping in case when node is invalidated and persistence is enabled [#IGNITE-8166]
  • Fix service redeployment on cluster reactivation. [#IGNITE-8205]
  • Fixed crash recovery problem when index tree could reference to removed data pages [#IGNITE-8320]
  • ODBC: Fixed bug that prevented to establish SSL connection to remote host in some cases [#IGNITE-8394]
  • Fixed control utility hanging when connected to a joining node with PME [#IGNITE-8423]
  • Client nodes are excluded from split-brain analisys. Split-brain resolving algorithms are revisited and improved [#IGNITE-8422]
  • Added proper handling of broken compacted WAL segment [#IGNITE-8429]
  • Fixed incorrect calculation of client affinity assignment with baseline [#IGNITE-8476]