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Fix the problem of python daemon surge #1654

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Jan 9, 2022
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Fix the problem of python daemon surge #1654

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29 changes: 18 additions & 11 deletions streamingpro-mlsql/src/main/java/tech/mlsql/ets/Ray.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -175,17 +175,24 @@ class Ray(override val uid: String) extends SQLAlg with VersionCompatibility wit
convert(Row.fromSeq(Seq(irow.host, irow.port, irow.timezone))).copy()
}.iterator
val javaContext = new JavaContext()
val commonTaskContext = new AppContextImpl(javaContext, batch)
val columnarBatchIter = batch.compute(Iterator(newIter), 0, commonTaskContext)
val data = columnarBatchIter.flatMap { batch =>
batch.rowIterator.asScala.map(f =>
stage1_schema_encoder(f)
)
}.toList
javaContext.markComplete
javaContext.close
val rdd = session.sparkContext.makeRDD[Row](data)
session.createDataFrame(rdd, stage1_schema)
try {
val commonTaskContext = new AppContextImpl(javaContext, batch)
val columnarBatchIter = batch.compute(Iterator(newIter), 0, commonTaskContext)
val data = columnarBatchIter.flatMap { batch =>
batch.rowIterator.asScala.map(f =>
stage1_schema_encoder(f)
)
}.toList
val rdd = session.sparkContext.makeRDD[Row](data)
session.createDataFrame(rdd, stage1_schema)
} catch {
case e: Exception =>
throw new MLSQLException("An exception was encountered in the execution of this python task! " +
"Please check your code and try again after modification.", e)
} finally {
javaContext.markComplete
javaContext.close
}
}

if (dataMode == "data") {
Expand Down