GridGain Developers Hub

GridGain 8.5.20 Release Notes

Fixed Issues

Community Edition Changes



Fixed incorrect calculation of rebalance statistics. Added the IGNITE_WRITE_REBALANCE_PARTITION_DISTRIBUTION_THRESHOLD system property to configure the output of partition distribution.


Metrics & Monitoring

Added the IgniteMXBean.getPublicThreadPoolSize method. IgniteMXBean.getExecutorServiceFormatted was deprecated.


Storage Engine

Added a utility for offline indexes validation.


Storage Engine

Fixed a possible ConcurrentModificationException in ExchangeDiscoveryEvents.

Ultimate Edition Changes


Snapshots & PITR

The write throttling threshold and disk limit parameters were added to the CREATE snapshot command in the snapshot management tool.


Snapshots & PITR

Fixed an issue when unstable connection to a client node could cause snapshot operations to hang.


Snapshot utility

Fixed an issue introduced in the previous release where the snapshot management tool’s CHECK command required the ADMIN_CACHE permission.



Added support for Oracle GoldenGate for Big Data 19, implemented a generic handler for DML operations.

Installation and Upgrade Information

See the Rolling Upgrades page for information about how to perform automated upgrades and for details about version compatibility.

Below is a list of versions that are compatible with the current version. You can rolling-upgrade from any of those. Compatibility with other versions is not guaranteed. If you are on a version that is not listed, contact GridGain for the information on upgrade options.

Rolling-upgrade compatible versions:

8.5.19, 8.5.18, 8.5.17, 8.5.16, 8.5.15, 8.5.14, 8.5.13, 8.5.12, 8.5.11, 8.5.10, 8.5.9, 8.5.8-p6, 8.5.8, 8.5.7, 8.5.6, 8.5.5, 8.5.3, 8.4.16, 8.4.15, 8.4.14-p2, 8.4.14, 8.4.13, 8.4.12, 8.4.11, 8.4.10, 8.4.9, 8.4.8-p8, 8.4.8, 8.4.7, 8.4.6, 8.4.5, 8.4.4, 8.4.3-p1, 8.4.2-p11

We Value Your Feedback

Your comments and suggestions are always welcome. You can reach us here: or

Please visit the documentation for more information.