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Type:
New Feature
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 2.1.0-beta
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Component/s: namenode
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Labels:None
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Target Version/s:
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Hadoop Flags:Incompatible change
Snapshots are point in time images of parts of the filesystem or the entire filesystem. Snapshots can be a read-only or a read-write point in time copy of the filesystem. There are several use cases for snapshots in HDFS. I will post a detailed write-up soon with with more information.
- duplicates
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HDFS-233 Support for snapshots
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- Resolved
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- incorporates
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HDFS-4578 Restrict snapshot IDs to 24-bits wide
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- Resolved
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- is related to
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HDFS-4107 Add utility methods to cast INode to INodeFile and INodeFileUnderConstruction
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- Closed
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HDFS-4112 A few improvements on INodeDirectory
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- Closed
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HDFS-4209 Clean up the addNode/addChild/addChildNoQuotaCheck methods in FSDirectory
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- Closed
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HDFS-4826 TestNestedSnapshots times out due to repeated slow edit log flushes when running on virtualized disk
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- Closed
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HDFS-4213 When the client calls hsync, allows the client to update the file length in the NameNode
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- Closed
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HDFS-4124 Refactor INodeDirectory#getExistingPathINodes() to enable returning more than INode array
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- Closed
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HDFS-4037 Rename the getReplication() method in BlockCollection to getBlockReplication()
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- Closed
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HDFS-4206 Change the fields in INode and its subclasses to private
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- Closed
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HDFS-4215 Improvements on INode and image loading
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- Closed
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HDFS-4151 Passing INodesInPath instead of INode[] in FSDirectory
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- Closed
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HDFS-4152 Add a new class for the parameter in INode.collectSubtreeBlocksAndClear(..)
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- Closed
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HDFS-4074 Remove empty constructors for INode
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- Closed
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HDFS-4129 Add utility methods to dump NameNode in memory tree for testing
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- Closed
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- relates to
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HBASE-6055 Offline Snapshots in HBase 0.96
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- Closed
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HBASE-50 Snapshot of table
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- Closed
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