MaxGekk commented on a change in pull request #23169: [SPARK-26103][SQL] Limit
the length of debug strings for query plans
URL: https://github.com/apache/spark/pull/23169#discussion_r263133319
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/StringUtils.scala
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@@ -119,4 +133,21 @@ object StringUtils {
result.toString
Review comment:
I mean the `java.lang.StringBuilder(length)` will try to allocate big array:
http://hg.openjdk.java.net/jdk8/jdk8/jdk/file/687fd7c7986d/src/share/classes/java/lang/AbstractStringBuilder.java#l68
. And it could fail in the allocation independently of the SQL config:
`spark.sql.maxPlanLength`.
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