[RATIS-1827] Update installed snapshot index only when InstallSnapshot is done

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0, 2.5.0
• Component/s: server
• Assignee: Kaijie Chen
• Reporter: Kaijie Chen
• Created: 30/Mar/23 03:50
• Updated: 27/Apr/23 17:31
• Resolved: 30/Mar/23 08:10

Description

Installed snapshot index was updated when installSnapshot is not done,
causing TestLeaderInstallSnapshot to be flaky.

This Jira combines updateInstalledSnapshotIndex with reloadStateMachine,
which will only be called when installSnapshot is done.

Issue Links

• links to: GitHub Pull Request #868