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https://issues.apache.org/jira/browse/GRIFFIN-288?focusedWorklogId=312059&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-312059
]
ASF GitHub Bot logged work on GRIFFIN-288:
------------------------------------------
Author: ASF GitHub Bot
Created on: 13/Sep/19 14:16
Start Date: 13/Sep/19 14:16
Worklog Time Spent: 10m
Work Description: guoyuepeng commented on issue #533:
[GRIFFIN-288]optimize hdfs sink
URL: https://github.com/apache/griffin/pull/533#issuecomment-531254468
LGTM
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Issue Time Tracking
-------------------
Worklog Id: (was: 312059)
Time Spent: 20m (was: 10m)
> Optimize hdfs sink
> ------------------
>
> Key: GRIFFIN-288
> URL: https://issues.apache.org/jira/browse/GRIFFIN-288
> Project: Griffin
> Issue Type: Task
> Reporter: wan kun
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When we sink records to hdfs , it may be OOM if the result is huge.
> {code:java}
> 19/09/06 18:52:39 INFO LineBufferedStream: 19/09/06 18:52:39 ERROR
> sink.HdfsSink: Java heap space
> 19/09/06 18:52:39 INFO LineBufferedStream: java.lang.OutOfMemoryError: Java
> heap space
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> java.util.Arrays.copyOf(Arrays.java:3332)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> java.lang.StringBuilder.append(StringBuilder.java:136)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.mutable.StringBuilder.append(StringBuilder.scala:200)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.TraversableOnce$$anonfun$addString$1.apply(TraversableOnce.scala:364)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:35)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.TraversableOnce$class.addString(TraversableOnce.scala:357)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.AbstractTraversable.addString(Traversable.scala:104)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.TraversableOnce$class.mkString(TraversableOnce.scala:323)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.AbstractTraversable.mkString(Traversable.scala:104)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.TraversableOnce$class.mkString(TraversableOnce.scala:325)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.AbstractTraversable.mkString(Traversable.scala:104)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.sink.HdfsSink.org$apache$griffin$measure$sink$HdfsSink$$sinkRecords2Hdfs(HdfsSink.scala:191)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.sink.HdfsSink.sinkRecords(HdfsSink.scala:133)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.sink.MultiSinks$$anonfun$sinkRecords$1.apply(MultiSinks.scala:63)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.sink.MultiSinks$$anonfun$sinkRecords$1.apply(MultiSinks.scala:61)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.collection.immutable.List.foreach(List.scala:392)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.sink.MultiSinks.sinkRecords(MultiSinks.scala:61)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.step.write.RecordWriteStep.execute(RecordWriteStep.scala:49)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.step.transform.SparkSqlTransformStep.doExecute(SparkSqlTransformStep.scala:40)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.step.transform.TransformStep$class.execute(TransformStep.scala:72)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.step.transform.SparkSqlTransformStep.execute(SparkSqlTransformStep.scala:27)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.step.transform.TransformStep$$anonfun$2$$anonfun$apply$1.apply$mcV$sp(TransformStep.scala:51)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.step.transform.TransformStep$$anonfun$2$$anonfun$apply$1.apply(TransformStep.scala:50)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> org.apache.griffin.measure.step.transform.TransformStep$$anonfun$2$$anonfun$apply$1.apply(TransformStep.scala:50)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 19/09/06 18:52:39 INFO LineBufferedStream: at
> java.lang.Thread.run(Thread.java:748)
> {code}
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