sap1ens commented on a change in pull request #28852:
URL: https://github.com/apache/spark/pull/28852#discussion_r447110589
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/FileIndexSuite.scala
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@@ -488,6 +489,25 @@ class FileIndexSuite extends SharedSparkSession {
val fileIndex = new TestInMemoryFileIndex(spark, path)
assert(fileIndex.leafFileStatuses.toSeq == statuses)
}
+
+ test("expire FileStatusCache if TTL is configured") {
+ withSQLConf(SQLConf.METADATA_CACHE_TTL.key -> "1") {
+ val path = new Path("/tmp", "abc")
+ val files = (1 to 3).map(_ => new FileStatus())
+
+ FileStatusCache.resetForTesting()
+ val fileStatusCache = FileStatusCache.getOrCreate(spark)
+ fileStatusCache.putLeafFiles(path, files.toArray)
+
+ // Exactly 3 files are cached.
+ assert(fileStatusCache.getLeafFiles(path).get.length === 3)
+ // Wait until the cache expiration.
+ eventually(timeout(2.seconds)) {
Review comment:
Increased to 3 seconds in
https://github.com/apache/spark/pull/28852/commits/18feeb02b11407b9eea1457139a91cb40ddc40cf
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