单选题Which of the following tasks is not performed by the job coordinator？（）A Update job log when a job completesB Spawn and remove job slavesC Write/read job info to/from memory cacheD Query job tableE Pass job information to job slaves
单选题
Which of the following tasks is not performed by the job coordinator？（）
A
Update job log when a job completes
B
Spawn and remove job slaves
C
Write/read job info to/from memory cache
D
Query job table
E
Pass job information to job slaves
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