xinpingzhang comments

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                                            xinpingzhang

[SPARK-39921][SQL] SkewJoin--Stream side skew in BroadcastHashJoin

you do not use AQE ?

[SPARK-39921][SQL] SkewJoin--Stream side skew in BroadcastHashJoin

so, i guess turning off AQE is aim to force execute broadcastHashJoin? because AQE will change plan to SortMergeJoin according to stage statistics, and AQE will solve the stream side...

[KYUUBI #3695] ADAPTIVE policy to dynamic expand or reduce engine pool size

please review code

[KYUUBI #3695] ADAPTIVE policy to dynamic expand or reduce engine pool size

Thanks @pan3793, i will deal conflicks ASAP.Thank you!

[KYUUBI #3695] ADAPTIVE policy to dynamic expand or reduce engine pool size

@cxzl25,@pan3793 how can get connection with @cxzl25 for discussion the issue.

[KYUUBI #3695] ADAPTIVE policy to dynamic expand or reduce engine pool size

@pan3793 , thank you review code, i will polish my code ASAP .

[KYUUBI #3695] ADAPTIVE policy to dynamic expand or reduce engine pool size

please help me review my code, thanks

[KYUUBI #3695] ADAPTIVE policy to dynamic expand or reduce engine pool size

@pan3793 @cxzl25 please look at my code

[KYUUBI #3695] ADAPTIVE policy to dynamic expand or reduce engine pool size

![kyuubi-adaptive-design](https://user-images.githubusercontent.com/28837422/205671059-bc4dc80f-ea84-48e8-a4c0-996bd3b7327a.png)