Variables

• oozie
  • version: Oozie build version.

• configuration
  • config.dir: directory from where the configuration files are loaded. If null, all configuration files are loaded from the classpath. Configuration files are described here .
  • config.file: the Oozie custom configuration for the instance.

• jvm
  • free.memory
  • max.memory
  • total.memory

• locks
  • locks: Locks are used by Oozie to synchronize access to workflow and action entries when the database being used does not support 'select for update' queries. (MySQL supports 'select for update').

• logging
  • config.file: Log4j '.properties' configuration file.
  • from.classpath: whether the config file has been read from the classpath or from the config directory.
  • reload.interval: interval at which the config file will be reloaded. 0 if the config file will never be reloaded, when loaded from the classpath is never reloaded.

Samplers - Poll data at a fixed interval (default 1 sec) and report an average utilization over a longer period of time (default 60 seconds).

Poll for data over fixed interval and generate an average over the time interval. Unless specified, all samplers in Oozie work on a 1 minute interval.

• callablequeue
  • delayed.queue.size: The size of the delayed command queue.
  • queue.size: The size of the command queue.
  • threads.active: The number of threads processing callables.

• jdbc:
  • connections.active: Active Connections over the past minute.

• webservices: Requests to the Oozie HTTP endpoints over the last minute.
  • admin
  • callback
  • job
  • jobs
  • requests
  • version

Counters - Maintain statistics about the number of times an event has occurred, for the running Oozie instance. The values are reset if the Oozie instance is restarted.

• action.executors - Counters related to actions.
  • [action_type]#action.[operation_performed] (start, end, check, kill)
  • [action_type]#ex.[exception_type] (transient, non-transient, error, failed)
  • e.g.

• callablequeue - count of events in various execution queues.
  • delayed.queued: Number of commands queued with a delay.
  • executed: Number of executions from the queue.
  • failed: Number of queue attempts which failed.
  • queued: Number of queued commands.

• commands: Execution Counts for various commands. This data is generated for all commands.
  • action.end
  • action.notification
  • action.start
  • callback
  • job.info
  • job.notification
  • purge
  • signal
  • start
  • submit

• jobs: Job Statistics
  • start: Number of started jobs.
  • submit: Number of submitted jobs.
  • succeeded: Number of jobs which succeeded.
  • kill: Number of killed jobs.

• authorization
  • failed: Number of failed authorization attempts.

• webservices: Number of request to various web services along with the request type.
  • failed: total number of failed requests.
  • requests: total number of requests.
  • admin
  • admin-GET
  • callback
  • callback-GET
  • jobs
  • jobs-GET
  • jobs-POST
  • version
  • version-GET

Timers - Maintain information about the time spent in various operations.

• action.executors - Counters related to actions.
  • [action_type]#action.[operation_performed] (start, end, check, kill)

• callablequeue
  • time.in.queue: Time a callable spent in the queue before being processed.

• commands: Generated for all Commands.
  • action.end
  • action.notification
  • action.start
  • callback
  • job.info
  • job.notification
  • purge
  • signal
  • start
  • submit

• db - Timers related to various database operations.
  • create-workflow
  • load-action
  • load-pending-actions
  • load-running-actions
  • load-workflow
  • load-workflows
  • purge-old-workflows
  • save-action
  • update-action
  • update-workflow

• webservices
  • admin
  • admin-GET
  • callback
  • callback-GET
  • jobs
  • jobs-GET
  • jobs-POST
  • version
  • version-GET