[GitHub] [incubator-pegasus] empiredan opened a new issue, #1342: Feature(new_metrics): migrate metrics for `replica` class

["empiredan (via GitHub)" <gi...@apache.org>]

empiredan opened a new issue, #1342:
URL: https://github.com/apache/incubator-pegasus/issues/1342

   All of the metrics in `replica` class are replica-level. As is described in https://github.com/apache/incubator-pegasus/issues/1326, since all classes that hold replica-level metrics are sub-object to `replica` class, all of replica-level metrics are bound to `replica` class. Thus once `replica` class is destructed, *replica* entity will be retired (since reference count of entity will decrease to 1).
   
   Following metrics are the members of `replica` ([replica.cpp](https://github.com/apache/incubator-pegasus/blob/master/src/replica/replica.cpp)):
   
   | Variables | Types/Computations |
   | :-------: | :------------------: |
   | _counter_private_log_size | Gauge |
   | _counter_recent_write_throttling_delay_count | increase(Counter) |
   | _counter_recent_write_throttling_reject_count | increase(Counter) |
   | _counter_recent_read_throttling_delay_count | increase(Counter) |
   | _counter_recent_read_throttling_reject_count | increase(Counter) |
   | _counter_recent_backup_request_throttling_delay_count | increase(Counter) |
   | _counter_recent_backup_request_throttling_reject_count | increase(Counter) |
   | _counter_dup_disabled_non_idempotent_write_count | increase(Counter) |
   | _counter_recent_read_splitting_reject_count | increase(Counter) |
   | _counter_recent_write_splitting_reject_count | increase(Counter) |
   | _counter_recent_write_bulk_load_ingestion_reject_count | increase(Counter) |
   
   Note that `increment()` invocations for `_counter_recent_*_throttling_delay_count` and `_counter_recent_*_throttling_reject_count` are in [replica_throttle.cpp](https://github.com/apache/incubator-pegasus/blob/master/src/replica/replica_throttle.cpp).


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