[Ray] Fix ray worker failover #3080
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qinxuye
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type: bug
zhongchun
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* make failover work with laster ray master * fix max_task_retries * fix _get_actor * fix compatibility * fix retry actor state task * fix subppol restart * skip test_ownership_when_scale_in * revert alive check interval * lint * lint (cherry picked from commit 0263954)
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What do these changes do?
In ray master, If a actor created with
max_restarts=-1is restarting, call actor method will raise exception instead of pending in caller. This PR fix it by specifingmax_retries=-1when querying actor state.Related issue number
Fixes #3079
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