[IGNITE-12193] [Phase-1] Rebalancing cache group keys metric counters

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.8, 2.9
• Labels: IEP-35
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Nikolai Kulagin
• Reporter: Maxim Muzafarov
• Created: 18/Sep/19 16:11
• Updated: 06/Aug/21 14:41
• Resolved: 27/Dec/19 12:07

Description

Implement metrics counters related to the cache group:

• rebalancingPartitionsLeft long metric
• rebalancingReceivedKeys long metric
• rebalancingReceivedBytes long metric
• rebalancingStartTime long metric
• rebalancingFinishTime long metric
• rebalancingLastCancelledTime long metric

Issue Links

• links to: GitHub Pull Request #6880
• links to: GitHub Pull Request #6960