Leo Li

### What changes were proposed in this pull request? When build the open stream request, additionally check whether the host is equivalent to judge whether to read locally. ### Why...

### What changes were proposed in this pull request? For spark3 client, use a long variable to help to count written records instead of a `tmpRecords` array. ### Why are...

YARN-11686. Correct traversing indexs when scheduling asynchronously using Capacity Scheduler

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### Description of PR When scheduling asynchronously using Capacity Scheduler, the traversing indexs in `CapacityScheduler#schedule` will always contains `start` index twice. This may not in line with the original intention...