apache-spark

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What is the faster way to count the number of entries in a data frame?
user_73168070
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5
1
8779
apache-spark-sql apache-spark scala
Efficient way to join a cached spark dataframe with other and cache again
user_26110070
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6
3
6445
apache-spark dataframe union caching
Getting either exception "java.lang.NoSuchFieldError: METASTORE_CLIENT_SOCKET_LIFETIME" or "Required field 'client_protocol' is unset!"
user_12979230
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6
1
1950
spark-structured-streaming apache-spark hive jdbc java
spark sbt error: value toDF is not a member of Seq[DataRow]
user_14038400
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13
1
13723
apache-spark-sql apache-spark
Spark streaming: HBase connection is closed when use hbaseMapPartitions
user_80552580
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3
0
235
apache-spark hbase streaming
Losing Spark Executors with many tasks outstanding
user_19420070
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3
0
3202
cloudera hadoop-yarn apache-spark-sql apache-spark
Spark Scala Split dataframe into equal number of rows
user_79185750
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15
6
15032
apache-spark dataframe scala
Spark Java - Merge same column multiple rows
user_78566910
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3
2
1101
apache-spark-sql apache-spark java
LDA cross validation evaluator
user_79185750
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4
1
368
apache-spark-mllib apache-spark-ml apache-spark scala
Spark error - Decimal precision 39 exceeds max precision 38
user_26489290
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9
1
8454
apache-spark r oracle
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