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[KUDU-3054][SPARK]Init kudu.write_duration accumulator lazily #27

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[KUDU-3054][SPARK]Init kudu.write_duration accumulator lazily #27

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9 changes: 7 additions & 2 deletions java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduContext.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -128,8 +128,11 @@ class KuduContext(val kuduMaster: String, sc: SparkContext, val socketReadTimeou
val timestampAccumulator = new TimestampAccumulator()
sc.register(timestampAccumulator)

val durationHistogram = new HdrHistogramAccumulator()
sc.register(durationHistogram, "kudu.write_duration")
lazy val durationHistogram = {
val acc = new HdrHistogramAccumulator()
sc.register(acc, "kudu.write_duration")
acc
}

@deprecated("Use KuduContext constructor", "1.4.0")
def this(kuduMaster: String) {
Expand Down Expand Up @@ -374,6 +377,8 @@ class KuduContext(val kuduMaster: String, sc: SparkContext, val socketReadTimeou
rdd = repartitionRows(rdd, tableName, schema, writeOptions)
}

// materialize durationHistogram
durationHistogram
// Write the rows for each Spark partition.
rdd.foreachPartition(iterator => {
val pendingErrors = writePartitionRows(
Expand Down