[SOLR-9857] Collect aggregated metrics from replicas in shard leader

• 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 18:10
• Updated: 08/Jun/19 15:28
• Resolved: 07/Mar/17 21:03

Description

Shard leaders can collect metrics from replicas in order to learn about their load and the progress of replication. These per-replica metrics need to be aggregated (if possible) in order to report cluster-wide per-shard metrics.

Issue Links

• Is contained by: SOLR-9858 Collect aggregated metrics from nodes and shard leaders in overseer
• is required by: SOLR-9858 Collect aggregated metrics from nodes and shard leaders in overseer
• requires: SOLR-4735 Improve Solr metrics reporting
• requires: SOLR-9854 Collect metrics for index merges and index store IO
• requires: SOLR-9856 Collect metrics for shard replication and tlog replay on replicas