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-
-following https://medium.com/@gayani.nan/how-to-run-a-scalding-job-567160fa193
-
-
-running on my laptop:
-
-    openjdk version "1.8.0_171"
-    OpenJDK Runtime Environment (build 1.8.0_171-8u171-b11-1~deb9u1-b11)
-    OpenJDK 64-Bit Server VM (build 25.171-b11, mixed mode)
-
-    Scala code runner version 2.11.8 -- Copyright 2002-2016, LAMP/EPFL
-
-    sbt: 1.1.5
-
-    sbt new scala/scala-seed.g8
-
-    # inserted additional deps, tweaked versions
-    # hadoop 2.5.0 seems to conflict with cascading; sticking with 2.6.0
-
-    sbt assembly
-    scp target/scala-2.11/scald-mvp-assembly-0.1.0-SNAPSHOT.jar devbox:
-
-    # on cluster:
-    yarn jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar WordCount --hdfs --input hdfs:///user/bnewbold/dummy.txt
-
-later, using hadop command instead:
-
-    hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool example.WordCountJob --hdfs --input hdfs:///user/bnewbold/dummy.txt --output hdfs:///user/bnewbold/test_scalding_out3
-
-helpful for debugging dependency woes:
-
-    sbt dependencyTree
-
-testing the spyglass example program (expect a table error):
-
-    hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool example.SimpleHBaseSourceExample --hdfs --output hdfs:///user/bnewbold/spyglass_out_test --app.conf.path thing.conf --debug true
-    # org.apache.hadoop.hbase.TableNotFoundException: table_name
-
-running a spyglass job (gives a nullpointer exception):
-
-    hadoop jar scald-mvp-assembly-0.1.0-SNAPSHOT.jar com.twitter.scalding.Tool sandcrawler.HBaseRowCountJob --hdfs --output hdfs:///user/bnewbold/spyglass_out_test --app.conf.path thing.conf
-
-    # Caused by: java.lang.NullPointerException
-    #         at parallelai.spyglass.hbase.HBaseSource.<init>(HBaseSource.scala:48)
-    #         at sandcrawler.HBaseRowCountJob.<init>(HBaseRowCountJob.scala:17)
-
-## Custom build
-
-in SpyGlass repo:
-
-    # This builds the new .jar and installs it in the (laptop local) ~/.m2
-    # repository
-    mvn clean install -U
-
-    # Copy that .jar (and associated pom.xml) over to where sbt can find it
-    mkdir -p ~/.sbt/preloaded/parallelai/
-    cp -r ~/.m2/repository/parallelai/parallelai.spyglass ~/.sbt/preloaded/parallelai/
-
-    # then build here
-    sbt assembly
-
-The medium-term plan here is to push the custom SpyGlass jar as a static maven
-repo to an archive.org item, and point build.sbt to that folder.