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Posted to dev@pegasus.apache.org by "empiredan (via GitHub)" <gi...@apache.org> on 2023/01/29 07:58:37 UTC
[GitHub] [incubator-pegasus] empiredan opened a new issue, #1331: Feature(new_metrics): migrate meta metrics
empiredan opened a new issue, #1331:
URL: https://github.com/apache/incubator-pegasus/issues/1331
The meta-related metrics migrated to new framework will be attached to *server* entity. All involved classes are put as below.
<br/>
Following metrics are the members of `server_state` ([server_state.cpp](https://github.com/apache/incubator-pegasus/blob/master/src/meta/server_state.cpp)), which is created at the construction of `meta_service`:
| Variables | Types/Computations |
| :-------: | :------------------: |
| _dead_partition_count | Gauge |
| _unreadable_partition_count | Gauge |
| _unwritable_partition_count | Gauge |
| _writable_ill_partition_count | Gauge |
| _healthy_partition_count | Gauge |
| _recent_update_config_count | increase(Counter) |
| _recent_partition_change_unwritable_count | increase(Counter) |
| _recent_partition_change_writable_count | increase(Counter) |
<br/>
Following metrics are the members of `greedy_load_balancer` ([greedy_load_balancer.cpp](https://github.com/apache/incubator-pegasus/blob/master/src/meta/greedy_load_balancer.cpp)), which is created at `meta_service::start()`:
| Variables | Types/Computations |
| :-------: | :------------------: |
| _balance_operation_count | Gauge |
| _recent_balance_move_primary_count | increase(Counter) |
| _recent_balance_copy_primary_count | increase(Counter) |
| _recent_balance_copy_secondary_count | increase(Counter) |
<br/>
Following metrics are the member of `meta_service` ([meta_service.cpp](https://github.com/apache/incubator-pegasus/blob/master/src/meta/meta_service.cpp)), which is created at the construction of `meta_service_app`:
| Variables | Types/Computations |
| :-------: | :------------------: |
| _recent_disconnect_count | increase(Counter) |
| _unalive_nodes_count | Gauge |
| _alive_nodes_count | Gauge |
<br/>
Following metrics are the member of `policy_context` and created at `policy_context::start()` ([meta_service.cpp](https://github.com/apache/incubator-pegasus/blob/master/src/meta/meta_backup_service.cpp)). `policy_context` is created at `meta_service::start()` once cold backup is enabled:
| Variables | Types/Computations |
| :-------: | :------------------: |
| _counter_policy_recent_backup_duration_ms | Gauge |
<br/>
Following metrics are the member of `partition_guardian` ([meta_service.cpp](https://github.com/apache/incubator-pegasus/blob/master/src/meta/partition_guardian.cpp)), which is created at `meta_service::start()` :
| Variables | Types/Computations |
| :-------: | :------------------: |
| _recent_choose_primary_fail_count | increase(Counter) |
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