grouped_execution
2022-03-03 11:00:08 0 举报presto分组执行
作者其他创作
大纲/内容
c_1
event
Join
c_2
shuffle records by join key
r3
event(bucketed by join key)
p3
b_1
b_2
add cart
c_3
Grouped execution
join result
p1
r1
purchase
profile
view
b_3
worker_2
worker_3
profile(bucketd by join key)
......
lifespan_1
log on
r2
worker_1
UnGrouped execution
p2
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