[RATIS-646] Add Metrics for Ratis Data pipeline

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Implemented
• Affects Version/s: 0.4.0
• Component/s: metrics, server
• Labels: ozone
• Target Version/s: 0.4.0
• Assignee: Shashikant Banerjee
• Reporter: Shashikant Banerjee
• Created: 01/Aug/19 17:28
• Updated: 02/Nov/23 17:14
• Resolved: 02/Nov/23 17:14

Description

For performance measurements and ratis pipeline health diagnostics, certain metrics need to be incorporated inside ratis. This Jira aims to encompass all the required metrices.

Sub-Tasks

• Add metrics related to leaderElection and HeartBeat: Resolved
• Add metrics to track commit index of each peer in a RaftGroup: Resolved
• Add a metric to track StateMachine Log apply index: Resolved
• Create metrics associated with RaftLog for RaftServer: Resolved
• Add counters for append entries and number of times raft log is flushed: Resolved
• Add metrics related to GrpcLogAppendRequests: Resolved
• Add a metric in RaftServer to track the Log Commit Index: Resolved
• Add metrics related to ClientRequests: Resolved
• Add metrics related to snapshot and log purge: Resolved
• Add follower metrics corresponding to LogAppender: Resolved
• Test and cleanup Ratis Metrics work: Resolved
• Add Metrics for retry cache count as well as size in bytes: Resolved
• Add a metric for tracking failed client requests on a server: Resolved
• Add metrics for raft log cache count and size in bytes: Resolved
• Add a metric for raftServer impl groups for a raft server: Resolved
• Add metric for different types of log entries for a raft server impl: Resolved
• Add a metric to track count of requests failing with ResourceUnavailable exception: Resolved
• Add a metric for writeStateMachine and readStateMachine timeouts: Resolved