Add tests and resolve issue running SparkGraphComputer on HBase #81

sjudeng · 2017-02-03T19:53:05Z

Includes refactoring of CassandraInputFormatIT to pull out common tests. Fixes issue in HBaseBinaryInputFormat and HBaseBinaryRecordReader that caused the following error:

06:47:57.278 [Executor task launch worker-0] ERROR org.apache.spark.executor.Executor - Exception in task 0.0 in stage 0.0 (TID 0)
java.lang.ClassCastException: org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$1 cannot be cast to org.apache.hadoop.hbase.mapreduce.TableRecordReader
    at com.thinkaurelius.titan.hadoop.formats.hbase.HBaseBinaryInputFormat.createRecordReader(HBaseBinaryInputFormat.java:47) ~[titan-hadoop-core-1.1.0-SNAPSHOT.jar:na]
    at com.thinkaurelius.titan.hadoop.formats.util.GiraphInputFormat.createRecordReader(GiraphInputFormat.java:53) ~[titan-hadoop-core-1.1.0-SNAPSHOT.jar:na]
    at org.apache.spark.rdd.NewHadoopRDD$$anon$1.<init>(NewHadoopRDD.scala:151) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:124) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.rdd.NewHadoopRDD.compute(NewHadoopRDD.scala:65) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.rdd.RDD.iterator(RDD.scala:264) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:300) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.rdd.RDD.iterator(RDD.scala:264) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.scheduler.Task.run(Task.scala:88) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214) ~[spark-core_2.10-1.5.2.jar:1.5.2]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_60]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_60]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_60]

Note when merging this PR with #79, the hbase-read.properties test resource in janusgraph-hadoop-core needs to be updated to use JanusGraphKryoRegistrator (see this commit).

References:

thinkaurelius/titan#1268
thinkaurelius/titan#1269

jerryjch · 2017-02-03T22:22:12Z

janusgraph-hadoop-parent/janusgraph-hadoop-2/pom.xml

+            <version>${hbase100.version}</version>
            <optional>true</optional>
            <scope>test</scope>
+            <exclusions>


com.lmax.disruptor is only in hbase-server. No need to exclude for hbase-client.

jerryjch

LGTM.

Would you combine the commits into one before delivering into master?

mbrukman · 2017-02-03T22:29:55Z

@jerryjch – any particular concern with multiple commits? If they're logically distinct, it may be better to keep them separate for readability and future readers, and use a merge commit so that there's only a single point on master at which time they've all landed.

jerryjch · 2017-02-03T22:43:56Z

The 5 commits here can be more logically clean and descriptive.
Let's keep our commit history clear and clean.

sjudeng · 2017-02-03T23:03:41Z

Removed the unnecessary exclusion (good catch) and squashed into a single commit.

mbrukman · 2017-02-03T23:08:14Z

janusgraph-hadoop-parent/janusgraph-hadoop-core/src/test/resources/hbase-read.properties

+gremlin.graph=org.apache.tinkerpop.gremlin.hadoop.structure.HadoopGraph
+gremlin.hadoop.graphInputFormat=org.janusgraph.hadoop.formats.hbase.HBaseInputFormat
+gremlin.hadoop.graphOutputFormat=org.apache.hadoop.mapreduce.lib.output.NullOutputFormat
+#gremlin.hadoop.graphOutputFormat=org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat


Do we need this commented-out line? Is there a use case to prefer this over the NullOutputFormat on the previous line? Does this help with debugging test failures somehow?

I just copied this file from cassandra-read.properties which includes the commented out line (probably for no good reason). Let me know if I should remove.

lets remove it?

amcp

lgtm, minor questions

amcp · 2017-02-04T05:05:34Z

janusgraph-hadoop-parent/janusgraph-hadoop-core/src/test/resources/hbase-read.properties

+gremlin.graph=org.apache.tinkerpop.gremlin.hadoop.structure.HadoopGraph
+gremlin.hadoop.graphInputFormat=org.janusgraph.hadoop.formats.hbase.HBaseInputFormat
+gremlin.hadoop.graphOutputFormat=org.apache.hadoop.mapreduce.lib.output.NullOutputFormat
+#gremlin.hadoop.graphOutputFormat=org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat


lets remove it?

amcp · 2017-02-04T05:07:29Z

...parent/janusgraph-hadoop-core/src/test/java/org/janusgraph/hadoop/AbstractInputFormatIT.java

+        assertEquals(numV, (long) t.V().count().next());
+        propertiesOnVertex = t.V().valueMap().next();
+        valuesOnP = (List)propertiesOnVertex.values().iterator().next();
+        assertEquals(numProps, valuesOnP.size());


is it enough to only check the number of properties?

This was the version that was in CassandraInputFormatIT and was not modified in this PR. I think changing it would be out of scope here but maybe create an issue for it?

please create an issue.

amcp · 2017-02-04T05:08:16Z

...parent/janusgraph-hadoop-core/src/test/java/org/janusgraph/hadoop/AbstractInputFormatIT.java

+
+public abstract class AbstractInputFormatIT extends JanusGraphBaseTest {
+
+


nit extra line here?

sjudeng · 2017-02-04T14:41:13Z

Should be good now on the requested formatting updates

mbrukman · 2017-02-05T22:04:55Z

@sjudeng – please rebase on master and re-push to see how the tests perform on Travis.

sjudeng · 2017-02-05T22:44:46Z

Done but tests in janusgraph-hadoop which this affects are not currently passing under Travis on master.

…n HBase Signed-off-by: sjudeng <sjudeng@users.noreply.github.com>

Add tests and resolve issue running SparkGraphComputer on HBase

janusgraph-bot added the cla: yes This PR is compliant with the CLA label Feb 3, 2017

sjudeng mentioned this pull request Feb 3, 2017

Issue 67: Update Elasticsearch and improve geoshape indexing #79

Merged

mbrukman requested review from hsaputra, jerryjch and pluradj February 3, 2017 21:05

mbrukman added the storage/hbase label Feb 3, 2017

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sjudeng force-pushed the hbase-hadoop-fix branch from f615d2a to de5af36 Compare February 3, 2017 23:02

mbrukman reviewed Feb 3, 2017

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jerryjch added this to the 0.1.0 milestone Feb 4, 2017

jerryjch approved these changes Feb 4, 2017

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amcp approved these changes Feb 4, 2017

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sjudeng force-pushed the hbase-hadoop-fix branch from de5af36 to eaf1bc9 Compare February 4, 2017 14:38

sjudeng mentioned this pull request Feb 5, 2017

Hadoop InputFormat tests should check property values #87

Closed

sjudeng force-pushed the hbase-hadoop-fix branch from eaf1bc9 to c148012 Compare February 5, 2017 22:42

Add tests and resolve ClassCastException running SparkGraphComputer o…

e4b57f1

…n HBase Signed-off-by: sjudeng <sjudeng@users.noreply.github.com>

sjudeng force-pushed the hbase-hadoop-fix branch from c148012 to e4b57f1 Compare February 5, 2017 23:36

mbrukman merged commit 00592f8 into JanusGraph:master Feb 6, 2017

sjudeng deleted the hbase-hadoop-fix branch February 7, 2017 02:06

micpod pushed a commit to micpod/janusgraph that referenced this pull request Nov 5, 2019

Merge pull request JanusGraph#81 from ngageoint/hbase-hadoop-fix

1c89bf3

Add tests and resolve issue running SparkGraphComputer on HBase


		public abstract class AbstractInputFormatIT extends JanusGraphBaseTest {

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sjudeng commented Feb 3, 2017 •

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