wangyum opened a new pull request, #50368:
URL: https://github.com/apache/spark/pull/50368
### What changes were proposed in this pull request?
This PR adds a lazy evaluation of the side-by-side comparison of the current
and new physical plans.
### Why are the changes needed?
Avoid Driver OOM:
```
25/03/24 00:30:34 INFO ApplicationMaster: Final app status: FAILED,
exitCode: 15, (reason: User class threw exception: java.lang.OutOfMemoryError:
Required array length 2147483639 + 957 is too large
at
java.base/jdk.internal.util.ArraysSupport.hugeLength(ArraysSupport.java:649)
at
java.base/jdk.internal.util.ArraysSupport.newLength(ArraysSupport.java:642)
at
java.base/java.lang.AbstractStringBuilder.newCapacity(AbstractStringBuilder.java:257)
at
java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:229)
at
java.base/java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:582)
at java.base/java.lang.StringBuilder.append(StringBuilder.java:179)
at
scala.collection.mutable.StringBuilder.append(StringBuilder.scala:203)
at
scala.collection.TraversableOnce$appender$1.apply(TraversableOnce.scala:419)
at
scala.collection.TraversableOnce$appender$1.apply(TraversableOnce.scala:410)
at
scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
at
scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49)
at scala.collection.TraversableOnce.addString(TraversableOnce.scala:424)
at
scala.collection.TraversableOnce.addString$(TraversableOnce.scala:407)
at scala.collection.AbstractTraversable.addString(Traversable.scala:108)
at scala.collection.TraversableOnce.mkString(TraversableOnce.scala:377)
at scala.collection.TraversableOnce.mkString$(TraversableOnce.scala:376)
at scala.collection.AbstractTraversable.mkString(Traversable.scala:108)
at scala.collection.TraversableOnce.mkString(TraversableOnce.scala:379)
at scala.collection.TraversableOnce.mkString$(TraversableOnce.scala:379)
at scala.collection.AbstractTraversable.mkString(Traversable.scala:108)
at
org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanExec.$anonfun$getFinalPhysicalPlan$8(AdaptiveSparkPlanExec.scala:364)
at org.apache.spark.internal.Logging.logDebug(Logging.scala:64)
at org.apache.spark.internal.Logging.logDebug$(Logging.scala:63)
at org.apache.spark.sql.execution.SparkPlan.logDebug(SparkPlan.scala:65)
at
org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanExec.$anonfun$logOnLevel$2(AdaptiveSparkPlanExec.scala:82)
at
org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanExec.$anonfun$logOnLevel$2$adapted(AdaptiveSparkPlanExec.scala:82)
at
org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanExec.$anonfun$getFinalPhysicalPlan$1(AdaptiveSparkPlanExec.scala:363)
```
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Manual test.
### Was this patch authored or co-authored using generative AI tooling?
No.
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