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FileSystemBasedCheckpointFileManager

[[CheckpointFileManager]] FileSystemBasedCheckpointFileManager is a CheckpointFileManager that uses Hadoop's https://hadoop.apache.org/docs/r2.8.3/api/org/apache/hadoop/fs/FileSystem.html[FileSystem] API for managing checkpoint files:

FileSystemBasedCheckpointFileManager is <> exclusively when CheckpointFileManager helper object is requested for a CheckpointFileManager (for HDFSMetadataLog, StreamMetadata and HDFSBackedStateStoreProvider).

[[RenameHelperMethods]] FileSystemBasedCheckpointFileManager is a RenameHelperMethods for <> by "write-to-temp-file-and-rename".

=== [[creating-instance]] Creating FileSystemBasedCheckpointFileManager Instance

FileSystemBasedCheckpointFileManager takes the following to be created:

FileSystemBasedCheckpointFileManager initializes the <>.

=== [[internal-properties]] Internal Properties

[cols="30m,70",options="header",width="100%"] |=== | Name | Description

| fs a| [[fs]] Hadoop's https://hadoop.apache.org/docs/r2.8.3/api/org/apache/hadoop/fs/FileSystem.html[FileSystem] of the <>

|===


Last update: 2020-10-17