[S4-137] Add HDFS StateStorage for more reliable checkpoint saving

• Type: New Feature
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 0.6
• Fix Version/s: 0.7
• Labels: checkpoint
• Assignee: Unassigned
• Reporter: Kurtt.Lin
• Created: 19/Aug/13 02:31
• Updated: 08/Sep/13 08:38

Description

Currently DefaultFileSystemStateStorage is the only implementation for StateStorage. Should have a storage like HDFS to improve the reliability of the checkpoints' states. Some apps would benefit from this.