GridGain 8.7.14 Release Notes

GG-21030

Atomic Cache

Rebalancing of a cache will not be canceled in case of events that do not change partition assignment.

GG-27936

Control Script

CRC check of pages is now performed only when a special flag (--check-crc) is passed to the validate_indexes command.

GG-27837

Deployment

Fixed assertion error when unmarshalling a message from a failed node.

GG-21949

Diagnostics & Failure Handling

Improved node start-up and periodic metrics logging.

GG-27929

Discovery

Fixed an issue that caused TCP discovery to get stuck in reading from socket operation.

GG-27990

ML

ML examples have been extracted to a separate module.

GG-27931

Platforms & Thin Clients

Fixed .NET logging warnings for nullable signed primitives that could lead to runtime errors.

GG-24207

Platforms & Thin Clients

Added transaction support to Java thin client.

GG-27882

Security

Added support for client authorization using SSL certificates.

GG-27813

SQL

Fixed hanging of the KILL QUERY command when original query cursor is left open.

GG-27648

SQL

Fixed an issue where the enforceJoinOrder flag was ignored when one of the previous queries had the same SQL text and a different value of the flag.

GG-27604

SQL

Fixed handling of the DATE, TIME, TIMESTAMP types in JDBC thin client when nodes and clients are launched in different time zones.

GG-27597

SQL

Added a thread pool to create and rebuild indexes. Removed the INDEX_REBUILDING_PARALLELISM system property and added the IgniteConfiguration#setBuildIndexThreadPoolSize configuration property.

GG-27508

SQL

Added supports of lazy mode for UPDATE / DELETE queries (may reduce memory consumption in some cases).

GG-27159

SQL

Fixed an issue with executing distributed joins when the number of joined tables is more than 7.

GG-27130

SQL

Fixed query cursors leak when JDBCv2 is used.

GG-23822

SQL

Added FIRSTVALUE and LASTVALUE SQL aggregate functions.

GG-21884

SQL

Two new metrics have been added: sql.parser.cache.hits - the number of hits for queries cache, and sql.parser.cache.misses - the number of misses for queries cache.

GG-28104

Storage Engine

Added the IGNITE_WAIT_FOR_BACKUPS_ON_SHUTDOWN system property to prevent unsafe node termination.

GG-27583

Storage Engine

Fixed partition desynchronization after rebalancing if a partition was remapped to a historical supplier which lost the history.

GG-27526

Storage Engine

Fixed corruption during high-intensity load on a cache with enabled TTL.

GG-27741

Storage Engine

Optimized node recovery procedure.

GG-28109

Transactions

Fixed a bug that could possibly cause a deadlock on concurrent putAll invocations.

GG-27941

Transactions

The "Too many open files" error for socket connection now triggers a critical failure to prevent the cluster from hanging.

GG-27264

Data Replication

Added additional information about running full state transfer processes to CacheDrStateTransfer, which can be obtained via GridDr.listStateTransfers().

GG-26639

Data Replication

Introduced a synchronous full-state transfer mode with a separate in-memory buffer.

GG-27706

Data Replication

Fixed an issue when a new sender node joining the cluster could cause the full state transfer to lose data.

GG-28062

Snapshot utility

The idle_verify option was removed from the snapshot utility, use control.sh --cache idle_verify instead.