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[SPARK-54354][SQL] Fix Spark hanging when there's not enough JVM heap memory for broadcast hashed relation #53065

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zhztheplayer wants to merge 9 commits into from
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[SPARK-54354][SQL] Fix Spark hanging when there's not enough JVM heap memory for broadcast hashed relation #53065

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5735add
fixup
zhztheplayer Nov 14, 2025
43607e1
fixup
zhztheplayer Nov 14, 2025
bc272e5
fixup
zhztheplayer Nov 14, 2025
7a6ea21
fixup
zhztheplayer Nov 14, 2025
69149ab
fixup
zhztheplayer Nov 14, 2025
2c557ff
remove unstable test
zhztheplayer Nov 19, 2025
416e3a9
fixup
zhztheplayer Nov 20, 2025
7a3d057
Update sql/core/src/main/scala/org/apache/spark/sql/execution/joins/H…
zhztheplayer Nov 20, 2025
063d136
fixup
zhztheplayer Nov 21, 2025
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12 changes: 6 additions & 6 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -143,8 +143,8 @@ private[execution] object HashedRelation {
new TaskMemoryManager(
new UnifiedMemoryManager(
new SparkConf().set(MEMORY_OFFHEAP_ENABLED.key, "false"),
Long.MaxValue,
Long.MaxValue / 2,
Runtime.getRuntime.maxMemory,
Runtime.getRuntime.maxMemory / 2,
1),
0)
}
Expand Down Expand Up @@ -401,8 +401,8 @@ private[joins] class UnsafeHashedRelation(
val taskMemoryManager = new TaskMemoryManager(
new UnifiedMemoryManager(
new SparkConf().set(MEMORY_OFFHEAP_ENABLED.key, "false"),
Long.MaxValue,
Long.MaxValue / 2,
Runtime.getRuntime.maxMemory,
Runtime.getRuntime.maxMemory / 2,
1),
0)

Expand Down Expand Up @@ -576,8 +576,8 @@ private[execution] final class LongToUnsafeRowMap(
new TaskMemoryManager(
new UnifiedMemoryManager(
new SparkConf().set(MEMORY_OFFHEAP_ENABLED.key, "false"),
Long.MaxValue,
Long.MaxValue / 2,
Runtime.getRuntime.maxMemory,
Runtime.getRuntime.maxMemory / 2,
1),
0),
0)
Expand Down
4 changes: 2 additions & 2 deletions sql/core/src/test/scala/org/apache/spark/sql/execution/joins/HashedRelationSuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,8 @@ import org.apache.spark.util.collection.CompactBuffer
class HashedRelationSuite extends SharedSparkSession {
val umm = new UnifiedMemoryManager(
new SparkConf().set(MEMORY_OFFHEAP_ENABLED.key, "false"),
Long.MaxValue,
Long.MaxValue / 2,
Runtime.getRuntime.maxMemory,
Runtime.getRuntime.maxMemory / 2,
1)

val mm = new TaskMemoryManager(umm, 0)
Expand Down