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Add new indicator for core module, especially Jraft and Distro protocal.

何东蓓 requested to merge summer2021_gitlab_Final into main

What is the purpose of the change

Add new indicator for core module, especially Jraft and Distro protocal.

Brief changelog

1.Remove MetricsMonitor in config module and use MetricsManager to record metrics, which is also do in core and naming module.

2.In order to make MetricsConstant more easier, this pr delete prefix in MetricsConstant.

3.Add Jraft metrics. Metrics related to Jraft ars below:

  • jraft_append_logs_count :the total number of RAFT logs written.
  • jraft_replicate_entries_count :the total number of replicate logs from leader to folllower.
  • jraft_next_index :the log index that is coping.
  • jraft_log_lags :the total numer of delay log.
  • jraft_pre_vote_count :the total number of pre vote times.
  • jraft_request_vote_count :the total number of request vote times.

4.Add Distro metrics. Metrics related to Distro ars below:

  • distro_verify{resource_type=resourceType, target_server=targetServer, success=true}. It counts verifySuccess times.
  • distro_verify{resource_type=resourceType, target_server=targetServer, success=false}. It counts verifyFailed times.
  • distro_sync{resource_type=resourceType, target_server=targetServer, success=true}. It counts syncSuccess times.
  • distro_sync{resource_type=resourceType, target_server=targetServer, success=false}. It counts syncFailed times.

Verifying this change

Checked.

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