gistfile1.txt

$ bin/gremlin.sh

         \,,,/
         (o o)
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gremlin> :use install com.tinkerpop giraph-gremlin 3.0.0-SNAPSHOT
==>loaded: [com.tinkerpop, giraph-gremlin, 3.0.0-SNAPSHOT] - restart the console to use [giraph]
gremlin> :q
$ bin/gremlin.sh

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         (o o)
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loaded: giraph
gremlin> :remote connect giraph ../../../giraph-gremlin/conf/giraph-graphson.properties
==>giraphgraph[GraphSONVertexInputFormat->GraphSONVertexOutputFormat]
gremlin> :> g.V.map{it['name'][1]}.groupBy{it}
INFO  com.tinkerpop.gremlin.giraph.process.computer.GiraphGraphRunner  - GiraphGremlin: TraversalVertexProgram[GiraphGraphStep, MapStep, GroupByStep]
INFO  org.apache.giraph.job.GiraphJob  - run: Since checkpointing is disabled (default), do not allow any task retries (setting mapred.map.max.attempts = 0, old value = 4)
WARN  org.apache.hadoop.mapred.JobClient  - Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same.
INFO  org.apache.hadoop.mapred.JobClient  - Running job: job_201406160857_0264
INFO  org.apache.hadoop.mapred.JobClient  -  map 0% reduce 0%
INFO  org.apache.hadoop.mapred.JobClient  -  map 100% reduce 0%
INFO  org.apache.hadoop.mapred.JobClient  - Job complete: job_201406160857_0264
INFO  org.apache.hadoop.mapred.JobClient  - Counters: 32
INFO  org.apache.hadoop.mapred.JobClient  -   Map-Reduce Framework
INFO  org.apache.hadoop.mapred.JobClient  -     Spilled Records=0
INFO  org.apache.hadoop.mapred.JobClient  -     Map input records=3
INFO  org.apache.hadoop.mapred.JobClient  -     SPLIT_RAW_BYTES=132
INFO  org.apache.hadoop.mapred.JobClient  -     Map output records=0
INFO  org.apache.hadoop.mapred.JobClient  -     Total committed heap usage (bytes)=240648192
INFO  org.apache.hadoop.mapred.JobClient  -   Giraph Timers
INFO  org.apache.hadoop.mapred.JobClient  -     Total (milliseconds)=8511
INFO  org.apache.hadoop.mapred.JobClient  -     Superstep 2 (milliseconds)=40
INFO  org.apache.hadoop.mapred.JobClient  -     Shutdown (milliseconds)=462
INFO  org.apache.hadoop.mapred.JobClient  -     Superstep 1 (milliseconds)=120
INFO  org.apache.hadoop.mapred.JobClient  -     Input superstep (milliseconds)=6555
INFO  org.apache.hadoop.mapred.JobClient  -     Superstep 0 (milliseconds)=341
INFO  org.apache.hadoop.mapred.JobClient  -     Setup (milliseconds)=892
INFO  org.apache.hadoop.mapred.JobClient  -     Superstep 3 (milliseconds)=48
INFO  org.apache.hadoop.mapred.JobClient  -     Superstep 4 (milliseconds)=49
INFO  org.apache.hadoop.mapred.JobClient  -   File Input Format Counters
INFO  org.apache.hadoop.mapred.JobClient  -     Bytes Read=0
INFO  org.apache.hadoop.mapred.JobClient  -   Giraph Stats
INFO  org.apache.hadoop.mapred.JobClient  -     Aggregate finished vertices=0
INFO  org.apache.hadoop.mapred.JobClient  -     Aggregate edges=0
INFO  org.apache.hadoop.mapred.JobClient  -     Sent messages=0
INFO  org.apache.hadoop.mapred.JobClient  -     Current workers=2
INFO  org.apache.hadoop.mapred.JobClient  -     Last checkpointed superstep=0
INFO  org.apache.hadoop.mapred.JobClient  -     Current master task partition=0
INFO  org.apache.hadoop.mapred.JobClient  -     Superstep=5
INFO  org.apache.hadoop.mapred.JobClient  -     Aggregate vertices=6
INFO  org.apache.hadoop.mapred.JobClient  -   FileSystemCounters
INFO  org.apache.hadoop.mapred.JobClient  -     HDFS_BYTES_READ=2488
INFO  org.apache.hadoop.mapred.JobClient  -     FILE_BYTES_WRITTEN=241404
INFO  org.apache.hadoop.mapred.JobClient  -     HDFS_BYTES_WRITTEN=3464
INFO  org.apache.hadoop.mapred.JobClient  -   Job Counters
INFO  org.apache.hadoop.mapred.JobClient  -     Launched map tasks=3
INFO  org.apache.hadoop.mapred.JobClient  -     SLOTS_MILLIS_REDUCES=0
INFO  org.apache.hadoop.mapred.JobClient  -     Total time spent by all reduces waiting after reserving slots (ms)=0
INFO  org.apache.hadoop.mapred.JobClient  -     SLOTS_MILLIS_MAPS=46895
INFO  org.apache.hadoop.mapred.JobClient  -     Total time spent by all maps waiting after reserving slots (ms)=0
INFO  org.apache.hadoop.mapred.JobClient  -   File Output Format Counters
INFO  org.apache.hadoop.mapred.JobClient  -     Bytes Written=0
INFO  com.tinkerpop.gremlin.giraph.process.computer.GiraphGraphRunner  - GiraphGremlin: GiraphGroupByStep[SideEffect Calculation]
WARN  org.apache.hadoop.mapred.JobClient  - Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same.
WARN  org.apache.hadoop.util.NativeCodeLoader  - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
WARN  org.apache.hadoop.io.compress.snappy.LoadSnappy  - Snappy native library not loaded
INFO  org.apache.hadoop.mapred.JobClient  - Running job: job_201406160857_0265
INFO  org.apache.hadoop.mapred.JobClient  -  map 0% reduce 0%
INFO  org.apache.hadoop.mapred.JobClient  -  map 100% reduce 0%
INFO  org.apache.hadoop.mapred.JobClient  -  map 100% reduce 33%
INFO  org.apache.hadoop.mapred.JobClient  -  map 100% reduce 100%
INFO  org.apache.hadoop.mapred.JobClient  - Job complete: job_201406160857_0265
INFO  org.apache.hadoop.mapred.JobClient  - Counters: 26
INFO  org.apache.hadoop.mapred.JobClient  -   Map-Reduce Framework
INFO  org.apache.hadoop.mapred.JobClient  -     Spilled Records=12
INFO  org.apache.hadoop.mapred.JobClient  -     Map output materialized bytes=222
INFO  org.apache.hadoop.mapred.JobClient  -     Reduce input records=6
INFO  org.apache.hadoop.mapred.JobClient  -     Map input records=6
INFO  org.apache.hadoop.mapred.JobClient  -     SPLIT_RAW_BYTES=234
INFO  org.apache.hadoop.mapred.JobClient  -     Map output bytes=198
INFO  org.apache.hadoop.mapred.JobClient  -     Reduce shuffle bytes=222
INFO  org.apache.hadoop.mapred.JobClient  -     Reduce input groups=4
INFO  org.apache.hadoop.mapred.JobClient  -     Combine output records=6
INFO  org.apache.hadoop.mapred.JobClient  -     Reduce output records=4
INFO  org.apache.hadoop.mapred.JobClient  -     Map output records=6
INFO  org.apache.hadoop.mapred.JobClient  -     Combine input records=6
INFO  org.apache.hadoop.mapred.JobClient  -     Total committed heap usage (bytes)=592969728
INFO  org.apache.hadoop.mapred.JobClient  -   File Input Format Counters
INFO  org.apache.hadoop.mapred.JobClient  -     Bytes Read=3464
INFO  org.apache.hadoop.mapred.JobClient  -   FileSystemCounters
INFO  org.apache.hadoop.mapred.JobClient  -     HDFS_BYTES_READ=3698
INFO  org.apache.hadoop.mapred.JobClient  -     FILE_BYTES_WRITTEN=247932
INFO  org.apache.hadoop.mapred.JobClient  -     FILE_BYTES_READ=216
INFO  org.apache.hadoop.mapred.JobClient  -     HDFS_BYTES_WRITTEN=30
INFO  org.apache.hadoop.mapred.JobClient  -   Job Counters
INFO  org.apache.hadoop.mapred.JobClient  -     Launched map tasks=2
INFO  org.apache.hadoop.mapred.JobClient  -     Launched reduce tasks=1
INFO  org.apache.hadoop.mapred.JobClient  -     SLOTS_MILLIS_REDUCES=8408
INFO  org.apache.hadoop.mapred.JobClient  -     Total time spent by all reduces waiting after reserving slots (ms)=0
INFO  org.apache.hadoop.mapred.JobClient  -     SLOTS_MILLIS_MAPS=7407
INFO  org.apache.hadoop.mapred.JobClient  -     Total time spent by all maps waiting after reserving slots (ms)=0
INFO  org.apache.hadoop.mapred.JobClient  -     Data-local map tasks=2
INFO  org.apache.hadoop.mapred.JobClient  -   File Output Format Counters
INFO  org.apache.hadoop.mapred.JobClient  -     Bytes Written=30
==>a	[a, a]
==>e	[e]
==>i	[i]
==>o	[o, o]
gremlin>
gremlin> hdfs.ls()
==>rwxr-xr-x marko supergroup 0 (D) output
==>rw-r--r-- marko supergroup 2356 tinkerpop-classic-adjlist.ldjson
gremlin> hdfs.ls('output')
==>rw-r--r-- marko supergroup 0 _SUCCESS
==>rwxr-xr-x marko supergroup 0 (D) _logs
==>rwxr-xr-x marko supergroup 0 (D) cap
==>rw-r--r-- marko supergroup 1876 part-m-00001
==>rw-r--r-- marko supergroup 1588 part-m-00002
gremlin> hdfs.ls('output/cap')
==>rw-r--r-- marko supergroup 0 _SUCCESS
==>rwxr-xr-x marko supergroup 0 (D) _logs
==>rw-r--r-- marko supergroup 30 part-r-00000
gremlin>
gremlin>