Class Overview
helix defined states
ERROR : when errors happen during state transitions, transit to ERROR state
participant will also invoke state-model.on-err(), ignore errors in state-model.on-err()
when drop resource in ERROR state and not disabled, controller sends ERROR->DROPPED transition
if errors happen in ERROR->DROPPED transition, participant will disable resource/partition
when disable resource/partition in ERROR state, resource/partition will be marked disabled
but controller not send any transitions
when reset resource/partition in ERROR state and not disabled
controller send ERROR->initial-state transition
if errors happen in ERROR->initial-state transition, remain in ERROR state
DROPPED : when drop resource in a non-ERROR state and not disabled
controller sends all the transitions from current-state to initial-state
then sends initial-state->DROPPED transition
See Also
- HELIX-43: add support for dropping partitions in error state