LuciferYang commented on a change in pull request #30483:
URL: https://github.com/apache/spark/pull/30483#discussion_r563678224
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -838,6 +845,20 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val ORC_META_CACHE_ENABLED = buildConf("spark.sql.orc.metadataCache.enabled")
+ .doc("To indicate if enable orc file meta cache, it is recommended to
enabled " +
+ "this config in long-running process mode, such as Thrift Server,
default is false")
+ .version("3.2.0")
Review comment:
@dongjoon-hyun
1. Now, change the 3 new config key start with `spark.sql.fileMetaCache.`,
any better suggestions？
2. change the comments to `it is recommended to enabled this config when
multiple queries are performed on the same dataset`, so default is `false`
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