Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/12435#discussion_r60320810
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamFileCatalog.scala
---
@@ -54,6 +54,6 @@ class StreamFileCatalog(sqlContext: SQLContext, path:
Path) extends FileCatalog
override def refresh(): Unit = {}
override def allFiles(): Seq[FileStatus] = {
- fs.listStatus(metadataLog.get(None, None).flatMap(_._2).map(new
Path(_)))
+ fs.listStatus(metadataLog.allFiles().map(f => new Path(f.path)))
--- End diff --
We only need to store the ones that we need later on:
Need:
- long length
- Path path
Might need:
- long modification_time
Obvious:
- boolean isdir
Not sure (but not used now):
- int block_replication
- long blocksize
Don't need
- FsPermission permission
- String owner
- String group
- long access_time
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