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Status
Current state: Under DiscussionAccepted
JIRA:
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Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
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Metric Name | Level | Type | Description | Notes | |||||
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active-restoring-tasks | thread / INFO | count | The number of active tasks currently undergoing restoration | ||||||
standby-updating-tasks | thread / INFO | count | The number of active tasks currently undergoing updating | ||||||
active-paused-tasks | thread / INFO | count | The number of active tasks paused restoring | ||||||
standby-paused-tasks | thread / INFO | count | The number of standby tasks paused updating | ||||||
idle-ratio | thread / INFO | gauge (percentage) | The fraction of time the thread spent on being idle | idle-ratio + restore/update-ratio + checkpoint-ratio should be 1 | |||||
active-restore-ratio | thread / INFO | gauge (percentage) | The fraction of time the thread spent on restoring active tasks | idle-ratio + restore/update-ratio + checkpoint-ratio should be 1; only one of the restore/update-ratio should be non-zero | |||||
standby-update-ratio | thread / INFO | gauge (percentage) | The fraction of time the thread spent on updating standby tasks | idle-ratio + restore/update-ratio + checkpoint-ratio should be 1; only one of the restore/update-ratio should be non-zero | |||||
checkpoint-ratio | thread / INFO | gauge (percentage) | The fraction of time the thread spent on checkpointing restored progress | idle-ratio + restore/update-ratio + checkpoint-ratio should be 1 | |||||
active-restore-records-rate | thread / INFO | rate | The average per-second number of records restored for all active tasks | min(active-restore-records-rate, standby-update-records-rate) == 0 | standby-update-records-rate | thread / INFO | rate | The average per-second number of records updated for all standby tasksmin(active-restore-records-rate, standby-update-records-rate) == 0 | |
restore-call-rate | thread / INFO | rate | The average per-second number of restore calls triggered | ||||||
restore-total | task / DEBUG | count | The total number of records processed during restoration for active task | the metric would persist even when the task completed restoration, and would be removed only when the task is removed from the thread. | |||||
restore-rate | task / DEBUG | rate | The average per-second number of records restored for active task | the metric would drop to zero when the task completed restoration, and would be removed only when the task is removed from the thread. | |||||
update-total | task / DEBUG | count | The total number of records updated for standby task | same as above | |||||
update-rate | task / DEBUG | rate | The average per-second number of records updated for standby task | same as above | |||||
restore-remaining-records-total | task / INFO | count | The number of records remained to be restored for active tasks |
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