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From "Edi Bice (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SAMOA-58) Samoa AvroFileStream from HDFSFileStreamSource stops at end of first file
Date Thu, 18 Feb 2016 20:52:18 GMT
Edi Bice created SAMOA-58:
-----------------------------

             Summary: Samoa AvroFileStream from HDFSFileStreamSource stops at end of first
file
                 Key: SAMOA-58
                 URL: https://issues.apache.org/jira/browse/SAMOA-58
             Project: SAMOA
          Issue Type: Bug
          Components: SAMOA-Instances
         Environment: RHEL 6.6, java 1.8.0_72
            Reporter: Edi Bice


It appears Samoa is capable of streaming a collection of files as a single stream effectively
concatenating the files. However using Samoa AvroFileStream from HDFSFileStreamSource seems
the stream stops at end of first file:

bin/samoa local target/SAMOA-Local-0.4.0-incubating-SNAPSHOT.jar "PrequentialEvaluation -i
-1 -l (classifiers.ensemble.Bagging -s 100) -s (AvroFileStream -s HDFSFileStreamSource -f
/tmp/order_and_feats_flat_avro/2016_02_18/ -c 1 -e binary) -f 10000"

2016-02-18 20:43:20,991 [main] INFO  org.apache.samoa.evaluation.EvaluatorProcessor (EvaluatorProcessor.java:183)
- last event is received!
2016-02-18 20:43:20,991 [main] INFO  org.apache.samoa.evaluation.EvaluatorProcessor (EvaluatorProcessor.java:184)
- total count: 262144

...

2016-02-18 20:43:20,993 [main] INFO  org.apache.samoa.evaluation.EvaluatorProcessor (EvaluatorProcessor.java:191)
- total evaluation time: 34 seconds for 262144 instances

bash-4.1$ hadoop fs -ls /tmp/order_and_feats_flat_avro/2016_02_18 | more
Found 70 items
-rw-r--r--   3 yarn hdfs  230855335 2016-02-18 16:01 /tmp/order_and_feats_flat_a
vro/2016_02_18/hdfs-1a238673-c4ec-4462-be67-78d573efa790-00001
-rw-r--r--   3 yarn hdfs  229800273 2016-02-18 16:04 /tmp/order_and_feats_flat_a
vro/2016_02_18/hdfs-1a238673-c4ec-4462-be67-78d573efa790-00002



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