GridGain Developers Hub

Caches

Use the Caches screen to monitor and manage the active caches. The screen consists of the following tabs: Cache List, Partition Distribution, and Lost Partitions.

Cache List

The Cache list tab displays a table containing all active caches, including the name of the cache, its mode, and atomicity. For more information on modes and atomicity, please see the Data Partitioning and the Atomicity Modes sections.

Cache List

The table with displayed caches supports filtering. Use the Filters pane on the right to filter caches by name, mode, atomicity, or cache ID.

To manage a cache, use the context menu. The menu contains the following items:

Menu item Description

Show Partition Distribution

Redirects to the Partition Distribution tab with the corresponding information on partition distribution of the selected cache.

Show Lost Partitions

Redirects to the Lost Partitions tab with the corresponding information on lost partitions (if any) of the selected cache.

Show Cache Configuration

Opens the read-only Cache Configuration dialog. See Configure Caches for more details.

Run Rebalance

Starts rebalance process. See Data Rebalancing for more details.

Clear Selected Cache

Removes all entries from the cache.

Destroy Selected Cache

Removes the cache.

Partition Distribution

Use this tab to monitor the distribution of cache partitions across the cluster nodes.

Partition Distribution

Navigate to the left pane of the tab to select a cache.

The nodes of the selected cache are displayed in the table, containing information on primary partitions, backup partitions, primary keys, and backup keys.

Click a node ID to see the detailed information on partitions on the selected node. The information is displayed on the right pane, including the partition type, partition ID, and the count of keys.

Lost Partitions

Use this tab to resolve the loss of partitions. See the Partition Loss Policy section for more information.

Lost Partitions

Navigate to the left pane of the tab to select a cache. By default, all caches are selected.

Lost partitions (if any) are displayed in the table, containing cache names and lost partitions IDs.

Click the RESET LOST PARTITIONS button at the top right corner of the tab to handle the loss of partitions. As a result, the cache continues to be operational with the lost partitions treated as empty. See Recovering From a Partition Loss for more information.