[ML-381] Fix LR bugs (#385)

* update spark to 3.3.3 Signed-off-by: minmingzhu <minming.zhu@intel.com> * fix lr bugs * Update dev_cron.yml * update --------- Signed-off-by: minmingzhu <minming.zhu@intel.com>
oap-project · Sep 10, 2024 · e307341 · e307341
1 parent 4dc4f0a
commit e307341
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Showing 3 changed files with 24 additions and 3 deletions.
diff --git a/.github/workflows/dev_cron.yml b/.github/workflows/dev_cron.yml
@@ -28,7 +28,7 @@ on:
 permissions:
   issues: write
   contents: read
-  
+
 jobs:
   process:
     name: Process

diff --git a/mllib-dal/src/main/scala/org/apache/spark/ml/regression/spark313/LinearRegression.scala b/mllib-dal/src/main/scala/org/apache/spark/ml/regression/spark313/LinearRegression.scala
@@ -455,7 +455,15 @@ class LinearRegression @Since("1.3") (@Since("1.3.0") override val uid: String)
   private def trainWithNormal(
       dataset: Dataset[_],
       instr: Instrumentation): LinearRegressionModel = {
-    val paramSupported = ($(regParam) == 0) && (!isDefined(weightCol) || getWeightCol.isEmpty)
+    val handlePersistence = (dataset.storageLevel == StorageLevel.NONE)
+
+    if (handlePersistence) {
+      dataset.persist(StorageLevel.MEMORY_AND_DISK)
+      dataset.count()
+    }
+
+    val paramSupported = ($(regParam) == 0 || ($(regParam) != 0 && $(elasticNetParam) == 0)
+      && (!isDefined(weightCol) || getWeightCol.isEmpty))
     val sparkContext = dataset.sparkSession.sparkContext
     val useDevice = sparkContext.getConf.get("spark.oap.mllib.device", Utils.DefaultComputeDevice)
     val isPlatformSupported = Utils.checkClusterPlatformCompatibility(
@@ -486,6 +494,9 @@ class LinearRegression @Since("1.3") (@Since("1.3.0") override val uid: String)
         model.diagInvAtWA.toArray,
         model.objectiveHistory)
 
+      if (handlePersistence) {
+        dataset.unpersist()
+      }
       return lrModel.setSummary(Some(trainingSummary))
     } else {
       // For low dimensional data, WeightedLeastSquares is more efficient since the

diff --git a/mllib-dal/src/main/scala/org/apache/spark/ml/regression/spark333/LinearRegression.scala b/mllib-dal/src/main/scala/org/apache/spark/ml/regression/spark333/LinearRegression.scala
@@ -454,7 +454,14 @@ class LinearRegression @Since("1.3.0") (@Since("1.3.0") override val uid: String
   private def trainWithNormal(
       dataset: Dataset[_],
       instr: Instrumentation): LinearRegressionModel = {
-    val paramSupported = ($(regParam) == 0) && (!isDefined(weightCol) || getWeightCol.isEmpty)
+    val handlePersistence = (dataset.storageLevel == StorageLevel.NONE)
+
+    if (handlePersistence) {
+      dataset.persist(StorageLevel.MEMORY_AND_DISK)
+      dataset.count()
+    }
+    val paramSupported = ($(regParam) == 0 || ($(regParam) != 0 && $(elasticNetParam) == 0)
+      && (!isDefined(weightCol) || getWeightCol.isEmpty))
     val sparkContext = dataset.sparkSession.sparkContext
     val useDevice = sparkContext.getConf.get("spark.oap.mllib.device", Utils.DefaultComputeDevice)
     val isPlatformSupported = Utils.checkClusterPlatformCompatibility(
@@ -485,6 +492,9 @@ class LinearRegression @Since("1.3.0") (@Since("1.3.0") override val uid: String
         model.diagInvAtWA.toArray,
         model.objectiveHistory)
 
+      if (handlePersistence) {
+        dataset.unpersist()
+      }
       return lrModel.setSummary(Some(trainingSummary))
     } else {
       // For low dimensional data, WeightedLeastSquares is more efficient since the