Set readahead_buffer_size default to 0 for ArrayRecordReader. #520
| Job | Run time |
|---|---|
| 25m 5s | |
| 18m 15s | |
| 18m 50s | |
| 12m 56s | |
| 17m 28s | |
| 24m 45s | |
| 18m 29s | |
| 25m 4s | |
| 18m 46s | |
| 19m 46s | |
| 15m 23s | |
| 21m 55s | |
| 0s | |
| 3h 56m 42s |
| Job | Run time |
|---|---|
| 25m 5s | |
| 18m 15s | |
| 18m 50s | |
| 12m 56s | |
| 17m 28s | |
| 24m 45s | |
| 18m 29s | |
| 25m 4s | |
| 18m 46s | |
| 19m 46s | |
| 15m 23s | |
| 21m 55s | |
| 0s | |
| 3h 56m 42s |