sap1ens commented on a change in pull request #28852:
URL: https://github.com/apache/spark/pull/28852#discussion_r456209080
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/FileIndexSuite.scala
##########
@@ -488,6 +489,30 @@ class FileIndexSuite extends SharedSparkSession {
val fileIndex = new TestInMemoryFileIndex(spark, path)
assert(fileIndex.leafFileStatuses.toSeq == statuses)
}
+
+ test("expire FileStatusCache if TTL is configured") {
+ val previousValue = SQLConf.get.getConf(StaticSQLConf.METADATA_CACHE_TTL)
+ try {
+ SQLConf.get.setConf(StaticSQLConf.METADATA_CACHE_TTL, 1L)
Review comment:
added a comment in
https://github.com/apache/spark/pull/28852/commits/3e761dcd790b9c30e5cee7bffe916dfc2c82b7a5
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/StaticSQLConf.scala
##########
@@ -226,4 +227,16 @@ object StaticSQLConf {
.version("3.0.0")
.intConf
.createWithDefault(100)
+
+ val METADATA_CACHE_TTL = buildStaticConf("spark.sql.metadataCacheTTL")
Review comment:
Updated in
https://github.com/apache/spark/pull/28852/commits/3e761dcd790b9c30e5cee7bffe916dfc2c82b7a5
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