<commit_before>Task list
1. Change input interface to iterator
2. Prepare input interface for cluster mode(batching).
3. Add cluster mode(design/choose container, resource manager, property sharing)
Optional:
Integrate with opensource(apache) big data stack <commit_msg>update todo<commit_after>Task list
1. Change input interface to iterator
2. Prepare input interface for cluster mode(split for node processor input).
3. Add cluster mode(design/choose container, resource manager, property sharing, input sharing)
Optional:
Integrate with opensource(apache) big data stack 
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