[SOLR-11081] Expose metrics for AutoScaling plugins

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Fix Version/s: 8.1, 9.0
• Component/s: AutoScaling, SolrCloud
• Assignee: Unassigned
• Reporter: Shalin Shekhar Mangar
• Created: 14/Jul/17 08:00
• Updated: 12/May/22 00:26
• Resolved: 14/Aug/21 01:33

Description

We should expose metrics such as:

1. For each trigger:
   • Type, number of runs, number of events generated, number of replays, number of exceptions
   • Time spent waiting for action execution after event generation
   • Number of successful and failed action executions
   • Thread pool stats of scheduled executor and action executor
   • Queue stats of event queues
   • number of Listener fires, count of failures, time taken

Issue Links

• is related to: SOLR-9735 Umbrella JIRA for Auto Scaling and Cluster Management in SolrCloud