GridGain 9.0.11 Release Notes
Overview
GridGain 9.0.11 is a stability release that focuses on cluster stability while providing minor improvements.
Improvements and Fixed Issues
| Issue ID | Category | Description |
|---|---|---|
IGN-26277 |
General |
CLI verbose mode is now more informative. |
IGN-26276 |
CLI Tool |
Fixed an issue with cluster init command using a wrong configuration file when called repeatedly. |
IGN-26255 |
Platforms and Clients |
SSL errors are now properly propagated to clients. |
IGN-26164 |
Distributed Computing |
Fixed an issue with native compute job results deserialization. |
IGN-26126 |
Platforms and Clients |
.NET: Fixed OverflowException in ErrorGroups.GetErrorCode. |
IGN-25991 |
Platforms and Clients |
.NET: Added ServiceCollection extensions to simplify DI integration. |
IGN-25796 |
SQL |
You can now cancel running SQL queries from JDBC. |
IGN-25752 |
General |
Added decimalValue method. |
IGN-25393 |
General |
Transactions from SQL operations are now properly retried on fail. |
IGN-25371 |
Platforms and Clients |
.NET: Added Apache.Extensions.Caching.Ignite package with IDistributedCache implementation. |
IGN-25080 |
SQL |
Updated calcite version to 1.38. |
GG-41268 |
Cluster Data Snapshots and Recovery |
Snapshot commands preformed via REST now correctly return 404 code when target is not found. |
GG-41209 |
Cluster Storage Engine |
Calling "/partitions/reset" and "/partitions/restart" endpoints now require RESET_PARTITIONS and RESTART_PARTITIONS privileges accordingly. |
Known Limitations
Delay on DDL Requests
DDL requests, such as CREATE TABLE, take a few seconds each to complete. Because of that, large database initialization scripts may take longer than expected. This will be addressed in an upcoming release.
Performance of GridGain 8 Applications
Some scenarios may see lower performance when moving to GridGain 9. This is a temporary limitation, and the performance in these scenarios will be improved in upcoming versions.
High-Availability with Two Data Copies
When a partition loses majority of its copies, it becomes unavailable. This behavior is required for split-brain protection. Because of this, in a distribution zone with 2 data replicas, losing one node may lead to partial unavailability.
To achieve both split-brain protection and full availability with one node down, use 3 or more replicas.
Upcoming versions will add a high-availability mode that support full availability with one node down when using 2 replicas.
Data Center Replication with Multiple Data Centers
Complex Data Center Replication topologies (for example, the ones involving cycles) of 3 or more data centers are not supported. This will be addressed in an upcoming release.
GridGain 8 Features
The following features of GridGain 8 are not available in this version, and will be added in upcoming versions:
-
Rack-Awareness
-
SQL Offloading
-
Tracing
-
Service Grid
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