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Uma Maheswara Rao G
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[HDFS-3907] Allow multiple users for local block readers
...The dfs.block.local-path-access.user config added in HDFS-2246 only supports a single user, however as long as blocks are group readable by more than one user the feature could be used by mu...
, 2014-12-01, 02:40
[HDFS-3937] The BlockManager should not use the FSN lock
...Like HDFS-2206 but for the BM. The BM currently calls into the FSN to acquire it's write lock, it looks like this is only needed for synchronization of it's local structures, in which case i...
, 2014-11-13, 22:20
[HDFS-2062] Create Jenkins job for HDFS native code
...The libhdfs test does not currently run as part of the pre-commit Hudson job. It should as libhdfs is not contrib. The command to run is: ant -Dlibhdfs=true compile test. We just need to mak...
, 2014-07-31, 18:51
[HDFS-1026] Quota checks fail for small files and quotas
...If a directory has a quota less than blockSize * numReplicas then you can't add a file to it, even if the file size is less than the quota. This is because FSDirectory#addBlock updates the c...
, 2014-07-30, 00:52
[HDFS-929] DFSClient#getBlockSize is unused
...DFSClient#getBlockSize is unused. Since it's a public class internal to HDFS we just remove it? If not then we should add a unit test....
, 2014-07-29, 23:59
[HDFS-903] NN should verify images and edit logs on startup
...I was playing around with corrupting fsimage and edits logs when there are multiple dfs.name.dirs specified. I noticed that: As long as your corruption does not make the image invalid, eg ch...
, 2014-07-19, 01:02
[HDFS-2639] A client may fail during block recovery even if its request to recover a block succeeds
...The client gets stuck in the following loop if an rpc its issued to recover a block timed out:DataStreamer#run1. processDatanodeError2. DN#recoverBlock3. &n...
, 2014-07-16, 10:12
[HDFS-3150] Add option for clients to contact DNs via hostname
...The DN listens on multiple IP addresses (the default dfs.datanode.address is the wildcard) however per HADOOP-6867 only the source address (IP) of the registration is given to clients. HADOO...
, 2014-04-24, 23:12
[HDFS-3128] Unit tests should not use a test root in /tmp
...Saw this on jenkins, TestResolveHdfsSymlink#testFcResolveAfs creates /tmp/alpha which interferes with other executors on the same machine....
, 2014-04-11, 19:18
[HDFS-4051] TestRBWBlockInvalidation.testBlockInvalidationWhenRBWReplicaMissedInDN failed
...TestRBWBlockInvalidation.testBlockInvalidationWhenRBWReplicaMissedInDN failed with the following on a recent trunk job. Has been seen before in HDFS-3391 as well on branch-2.java.lang.Assert...
, 2014-04-08, 23:02
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