Set readahead_buffer_size default to 0 for ArrayRecordReader. #519
| Job | Run time |
|---|---|
| 25m 33s | |
| 17m 9s | |
| 16m 36s | |
| 15m 42s | |
| 18m 20s | |
| 24m 52s | |
| 18m 59s | |
| 15m 11s | |
| 19m 26s | |
| 18m 58s | |
| 24m 57s | |
| 18m 38s | |
| -1s | |
| 3h 54m 20s |
| Job | Run time |
|---|---|
| 25m 33s | |
| 17m 9s | |
| 16m 36s | |
| 15m 42s | |
| 18m 20s | |
| 24m 52s | |
| 18m 59s | |
| 15m 11s | |
| 19m 26s | |
| 18m 58s | |
| 24m 57s | |
| 18m 38s | |
| -1s | |
| 3h 54m 20s |