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Posted to issues@ratis.apache.org by "Aravindan Vijayan (Jira)" <ji...@apache.org> on 2019/08/28 16:10:00 UTC
[jira] [Assigned] (RATIS-647) Create metrics associated with
RaftLog for RaftServer
[ https://issues.apache.org/jira/browse/RATIS-647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aravindan Vijayan reassigned RATIS-647:
---------------------------------------
Assignee: Aravindan Vijayan (was: Shashikant Banerjee)
> Create metrics associated with RaftLog for RaftServer
> -----------------------------------------------------
>
> Key: RATIS-647
> URL: https://issues.apache.org/jira/browse/RATIS-647
> Project: Ratis
> Issue Type: Sub-task
> Components: server
> Affects Versions: 0.4.0
> Reporter: Shashikant Banerjee
> Assignee: Aravindan Vijayan
> Priority: Major
> Fix For: 0.4.0
>
>
> We need the following metrics related to RaftLog and RaftLogWorker:
> |raftLogSyncLatency|Time taken to sync raft log|
> |numRaftLogSyncOps|Number of Raft log sync calls with respect to time(equals no of FlushStateMacine Calls)|
> |raftLogSynBatchSize|No of raft log entries synced with each flush call|
> |raftLogReadLatency|Time required to read a raft log entry from actual raft log file and create a raft log entry (Raft log read latency)|
> |raftLogAppendLatency|Total time taken to append a raft log entry (this also includes writeStateMachineData which will vary depending upon the size of the data to be written as well as external factors)|
> |raftLogEnqueuedTime|Time of RaftLogEntry in the Raft Log Worker Queue|
> |raftLogQueueingDelay|Time required to enqueue a raft Log entry in raft log worker queue|
> |raftLogSegmentLoadLatency|Time required to load and process raft log segments during restart|
> |raftLogWorkerQueueSize|Raft log worker queue size which at any time gives the no of pending log entries to be committed to the raft log.|
> |raftLogCacheMissCount|Number of RaftLogCacheMisses |
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