jhkkhtd opened a new pull request, #22054:
URL: https://github.com/apache/flink/pull/22054
[FLINK-31282][Componets: Client]
## What is the purpose of the change
Fix the Problem to **create and close zookeepr connections frequently**
when executing sql **Select** , In the next() function of
CollectResultFetcher. there are two functions called :
isJobTerminated() will call **jobClient.getJobStatus()**
sendRequest() willl call **gateway.sendCoordinationRequest()** .
Everytime , Both of them will **create and close a zookeeper connection**
In ClusterClientJobClientAdapter.bridgeClientRequet()
## Brief change log
I set a flag "isQuery" ,when it is true ,i will change to use the same
clusterclient. the Connection will be create and close just for once.
## Verifying this change
I got the right connection in my product cluster.
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