dongjoon-hyun commented on a change in pull request #33748:
URL: https://github.com/apache/spark/pull/33748#discussion_r690490647
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
##########
@@ -967,6 +967,28 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val FILE_META_CACHE_ENABLED = buildConf("spark.sql.fileMetaCache.enabled")
+ .doc("To indicate if enable file meta cache, it is recommended to enabled
" +
+ "this config when multiple queries are performed on the same dataset,
default is false.")
+ .version("3.3.0")
+ .booleanConf
+ .createWithDefault(false)
+
+ val FILE_META_CACHE_TTL_SINCE_LAST_ACCESS =
+ buildConf("spark.sql.fileMetaCache.ttlSinceLastAccess")
+ .version("3.3.0")
+ .doc("Time-to-live for file metadata cache entry after last access, the
unit is seconds.")
+ .timeConf(TimeUnit.SECONDS)
+ .createWithDefault(3600L)
Review comment:
Shall we reduce this from `1 hour = 3600` to `10 minute = 600`?
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