[TAJO-598] Refactoring Tajo RPC

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Component/s: RPC
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 12/Feb/14 14:56
• Updated: 17/Feb/14 02:57
• Resolved: 17/Feb/14 02:53

Description

In the current implementation, all client rpc use same channel pool.
It can cause a channel closed exception. we need both shared pool and new pool.
In details,

• Fix the TajoAsyncDispatcher hang
• Fix the Fetcher timeout
• Fix the TaskRunner thread leak
• Fix the client rpc reconnecting
• Fix the unittest failure(No available resources)
• Improve RPC thread sharing

Issue Links

• blocks: TAJO-510 Query session timeout too short