[SOLR-9858] Collect aggregated metrics from nodes and shard leaders in overseer

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 7.0
• Fix Version/s: 7.0
• Component/s: metrics
• Assignee: Andrzej Bialecki
• Reporter: Andrzej Bialecki
• Created: 12/Dec/16 18:27
• Updated: 08/Jun/19 15:33
• Resolved: 07/Mar/17 21:02

Description

Overseer can collect metrics from Solr nodes and shard leaders in order to have a notion of the indexing / query / replication / system load on each node, shard and its replicas. This information then can be used for cluster (auto)scaling.

Issue Links

• contains: SOLR-9857 Collect aggregated metrics from replicas in shard leader
• is related to: SOLR-9462 Report aggregated cache stats for all cores on a Solr node
• requires: SOLR-4735 Improve Solr metrics reporting
• requires: SOLR-9857 Collect aggregated metrics from replicas in shard leader