maropu commented on a change in pull request #28852:
URL: https://github.com/apache/spark/pull/28852#discussion_r447497252
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/StaticSQLConf.scala
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@@ -226,4 +227,16 @@ object StaticSQLConf {
.version("3.0.0")
.intConf
.createWithDefault(100)
+
+ val METADATA_CACHE_TTL = buildStaticConf("spark.sql.metadataCacheTTL")
+ .doc("Time-to-live (TTL) value for the metadata caches: partition file
metadata cache and " +
+ "session catalog cache. This configuration only has an effect when this
value having " +
+ "a positive value (> 0). It also requires setting " +
+ s"${StaticSQLConf.CATALOG_IMPLEMENTATION} to `hive`, setting " +
+ s"${SQLConf.HIVE_FILESOURCE_PARTITION_FILE_CACHE_SIZE} > 0 and setting "
+
+ s"${SQLConf.HIVE_MANAGE_FILESOURCE_PARTITIONS} to `true` " +
+ s"to be applied to the partition file metadata cache.")
Review comment:
nit: you don't `s` in the head.
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