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[HDFS-8498] Blocks can be committed with wrong size
...When an IBR for a UC block arrives, the NN updates the expected location's block and replica state only if it's on an unexpected storage for an expected DN. If it's for an expected sto...
, 2017-06-07, 22:59
[HDFS-11648] Lazy construct the IIP pathname
...The IIP pathname is a string constructed from the byte components. If the pathname will never be accessed, ex. processing listStatus children, building the path is unnecessarily ex...
, 2017-06-07, 22:59
[HDFS-10619] Cache path in InodesInPath
...INodesInPath#getPath, a frequently called method, dynamically builds the path. IIP should cache the path upon construction....
, 2017-05-31, 18:46
[HDFS-8674] Improve performance of postponed block scans
...When a standby goes active, it marks all nodes as "stale" which will cause block invalidations for over-replicated blocks to be queued until full block reports are received from the nodes wi...
, 2017-05-27, 02:05
[HDFS-7990] IBR delete ack should not be delayed
...HDFS-395 added the incremental BR feature. A concern was avoiding a race condition with ack-ing block invalidates followed by the directory scanner re-adding the block before the async...
, 2017-05-18, 07:39
[HDFS-8492] DN should notify NN when client requests a missing block
...If the DN has a block its volume map but not on-disk, it tells clients it's an invalid block id. The NN is not informed of the missing block until either the bp slice scanner or the di...
, 2017-04-27, 14:05
[HDFS-11379] DFSInputStream may infinite loop requesting block locations
...DFSInputStream creation caches file size and initial range of locations. If the file is truncated (or replaced) and the client attempts to read outside the initial range, the client go...
, 2017-02-17, 23:41
[HDFS-5875] Add iterator support to INodesInPath
..."Resolve as you go" inode iteration will help with the implementation of alternative locking schemes. It will also be the pre-cursor for resolving paths once and only once per operatio...
, 2017-01-06, 22:16
[HDFS-6220] Webhdfs should differentiate remote exceptions
...Webhdfs's validateResponse should use a distinct exception for json decoded exceptions than it does for servlet exceptions. Ex. A servlet generated 404 with a json payload should be di...
, 2017-01-06, 22:08
[HDFS-6764] DN heartbeats may become clumped together
...DNs send heartbeats on a fixed schedule based on the last time a heartbeat was sent. If the NN takes longer to respond than the heartbeat interval then DNs do not sleep until the next ...
, 2017-01-06, 22:07
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