Github user jinossy commented on the pull request:
https://github.com/apache/tajo/pull/671#issuecomment-138226623
Change to pre-fetch both TajoMaster and TajoClient
Pre-Fetch, Network: Loopback, Data: lineitem 3GB
```
TEXT format
52 sec (Deserialize), 52 sec (Non-Deserialize)
TEXT format + snappy compression
54 sec (Deserialize), 54 sec (Non-Deserialize)
DRAW format
32 sec (Deserialize), 22 sec (Non-Deserialize)
DRAW format + snappy compression
47 sec (Deserialize), 47 sec (Non-Deserialize)
```
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