Why is the status of task inconsistent between logs and spark web ui?











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I did the following operations on a rdd with 4 partitions in DStreams' foreachRDD function of my spark streaming application:



print rdd.count()
print rdd.collect()


The first statements rdd.count() is normally executed, while the second statement is always blocked by RUNNING status as the follow picture show:
enter image description here



However, when I take a look at the log, it shows that the task has finished.



18/11/09 16:45:30 INFO executor.Executor: Finished task 3.0 in stage 26.0 (TID 555). 197621638 bytes result sent via BlockManager)


What's the problem?



The spark version is pyspark==2.2.1, cluster is spark on yarn.










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  • What Spark version are you using? And what kind of cluster?
    – Bernhard Stadler
    Nov 9 at 11:06












  • DStreams or Structured Streaming? What is the relation between the RDD and the stream?
    – Bernhard Stadler
    Nov 9 at 11:14










  • I've added the information in the content of the question @BernhardStadler
    – dae
    Nov 12 at 12:06















up vote
0
down vote

favorite












I did the following operations on a rdd with 4 partitions in DStreams' foreachRDD function of my spark streaming application:



print rdd.count()
print rdd.collect()


The first statements rdd.count() is normally executed, while the second statement is always blocked by RUNNING status as the follow picture show:
enter image description here



However, when I take a look at the log, it shows that the task has finished.



18/11/09 16:45:30 INFO executor.Executor: Finished task 3.0 in stage 26.0 (TID 555). 197621638 bytes result sent via BlockManager)


What's the problem?



The spark version is pyspark==2.2.1, cluster is spark on yarn.










share|improve this question
























  • What Spark version are you using? And what kind of cluster?
    – Bernhard Stadler
    Nov 9 at 11:06












  • DStreams or Structured Streaming? What is the relation between the RDD and the stream?
    – Bernhard Stadler
    Nov 9 at 11:14










  • I've added the information in the content of the question @BernhardStadler
    – dae
    Nov 12 at 12:06













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I did the following operations on a rdd with 4 partitions in DStreams' foreachRDD function of my spark streaming application:



print rdd.count()
print rdd.collect()


The first statements rdd.count() is normally executed, while the second statement is always blocked by RUNNING status as the follow picture show:
enter image description here



However, when I take a look at the log, it shows that the task has finished.



18/11/09 16:45:30 INFO executor.Executor: Finished task 3.0 in stage 26.0 (TID 555). 197621638 bytes result sent via BlockManager)


What's the problem?



The spark version is pyspark==2.2.1, cluster is spark on yarn.










share|improve this question















I did the following operations on a rdd with 4 partitions in DStreams' foreachRDD function of my spark streaming application:



print rdd.count()
print rdd.collect()


The first statements rdd.count() is normally executed, while the second statement is always blocked by RUNNING status as the follow picture show:
enter image description here



However, when I take a look at the log, it shows that the task has finished.



18/11/09 16:45:30 INFO executor.Executor: Finished task 3.0 in stage 26.0 (TID 555). 197621638 bytes result sent via BlockManager)


What's the problem?



The spark version is pyspark==2.2.1, cluster is spark on yarn.







apache-spark spark-streaming






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share|improve this question













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edited Nov 12 at 6:38

























asked Nov 9 at 9:56









dae

1591112




1591112












  • What Spark version are you using? And what kind of cluster?
    – Bernhard Stadler
    Nov 9 at 11:06












  • DStreams or Structured Streaming? What is the relation between the RDD and the stream?
    – Bernhard Stadler
    Nov 9 at 11:14










  • I've added the information in the content of the question @BernhardStadler
    – dae
    Nov 12 at 12:06


















  • What Spark version are you using? And what kind of cluster?
    – Bernhard Stadler
    Nov 9 at 11:06












  • DStreams or Structured Streaming? What is the relation between the RDD and the stream?
    – Bernhard Stadler
    Nov 9 at 11:14










  • I've added the information in the content of the question @BernhardStadler
    – dae
    Nov 12 at 12:06
















What Spark version are you using? And what kind of cluster?
– Bernhard Stadler
Nov 9 at 11:06






What Spark version are you using? And what kind of cluster?
– Bernhard Stadler
Nov 9 at 11:06














DStreams or Structured Streaming? What is the relation between the RDD and the stream?
– Bernhard Stadler
Nov 9 at 11:14




DStreams or Structured Streaming? What is the relation between the RDD and the stream?
– Bernhard Stadler
Nov 9 at 11:14












I've added the information in the content of the question @BernhardStadler
– dae
Nov 12 at 12:06




I've added the information in the content of the question @BernhardStadler
– dae
Nov 12 at 12:06

















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