How to troubleshoot why my Hadoop log file is not getting indexed in Splunk?

[kolan]

I have an issue with Hadoop log file which is not getting indexed. All other system files on the same server are indexed. Below is the sample of log file. Please help me

Fri Nov 13 21:40:20 CST 2015 real 14.77
Fri Nov 13 21:50:17 CST 2015 real 13.07
Fri Nov 13 22:00:19 CST 2015 real 13.78
Fri Nov 13 22:10:18 CST 2015 real 13.38
Fri Nov 13 22:20:18 CST 2015 real 13.62
Fri Nov 13 22:30:17 CST 2015 real 12.74
Fri Nov 13 22:40:18 CST 2015 real 13.10
Fri Nov 13 22:50:16 CST 2015 real 12.33
Fri Nov 13 23:00:17 CST 2015 real 11.92
Fri Nov 13 23:10:20 CST 2015 real 13.60
Fri Nov 13 23:20:19 CST 2015 real 13.61
Fri Nov 13 23:30:18 CST 2015 real 14.08
Fri Nov 13 23:40:18 CST 2015 real 13.25
Fri Nov 13 23:50:19 CST 2015 real 13.84
Sat Nov 14 00:00:18 CST 2015 real 12.80

[rdagan_splunk]

Are you using a forwarder to move log data from Hadoop data nodes into Splunk indexing?
Or are you using the Hadoop Connect App to import Hadoop Logs from within HDFS into Splunk indexing?