mridulm commented on PR #53193:
URL: https://github.com/apache/spark/pull/53193#issuecomment-3619846743
hmm, I cant seem to reproduce it with the test you have provided @cxzl25 ...
```
$ ./bin/spark-shell --driver-memory 64g
<snip>
Welcome to
____ __
/ __/__ ___ _____/ /__
_\ \/ _ \/ _ `/ __/ '_/
/___/ .__/\_,_/_/ /_/\_\ version 4.1.0-SNAPSHOT
/_/
Using Scala version 2.13.16 (OpenJDK 64-Bit Server VM, Java 17.0.17)
<snip>
Spark session available as 'spark'.
scala> import com.esotericsoftware.kryo.util._
import com.esotericsoftware.kryo.util._
scala> val identityObjectIntMap = new
IdentityObjectIntMap[String](1073741824, 0.8f)
val identityObjectIntMap:
com.esotericsoftware.kryo.util.IdentityObjectIntMap[String] = {}
scala> identityObjectIntMap.put("k1", 1)
scala> identityObjectIntMap.clear((1073741824) << 1)
java.lang.NegativeArraySizeException: -2147483645
at
com.esotericsoftware.kryo.util.IdentityObjectIntMap.resize(IdentityObjectIntMap.java:542)
at
com.esotericsoftware.kryo.util.IdentityObjectIntMap.clear(IdentityObjectIntMap.java:461)
... 42 elided
scala> identityObjectIntMap.clear(2048)
scala> identityObjectIntMap.put("k1", 1)
scala>
```
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