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[HDFS-3913] DataBlockScanner should not call scanBlockPoolSlice when there's no work to do - HDFS - [issue]
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...In HDFS-3828 Eli observedIn getTotalScans rather than throw IOE if given a bpid w/o a scanner I believe this should be an assert (we should always have a scanner for a block pool if we've en...
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http://issues.apache.org/jira/browse/HDFS-3913
Author: Andy Isaacson,
2012-09-11, 18:40
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[HDFS-3911] Tests setLevel(Level.OFF) should be Level.ERROR - HDFS - [issue]
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...Multiple tests have code like((Log4JLogger)LogFactory.getLog(FSNamesystem.class)).getLogger().setLevel(Level.OFF);Completely disabling logs from given classes with Level.OFF is a bad idea an...
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http://issues.apache.org/jira/browse/HDFS-3911
Author: Andy Isaacson,
2012-09-10, 21:56
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[HDFS-3733] Audit logs should include WebHDFS access - HDFS - [issue]
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...Access via WebHdfs does not result in audit log entries. It should.% curl "http://nn1:50070/webhdfs/v1/user/adi/hello.txt?op=GETFILESTATUS"{"FileStatus":{"accessTime":1343351432395,"bl...
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http://issues.apache.org/jira/browse/HDFS-3733
Author: Andy Isaacson,
2012-08-31, 14:59
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[HDFS-3868] Add SHA1 implementation and add NIST test vectors - HDFS - [issue]
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...In HDFS-3859 Todd noted that we don't have a SHA1 implementation. While implementing SHA1 I noted that TestMD5Hash is missing the NIST test vectors (so we don't actually test that the ...
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http://issues.apache.org/jira/browse/HDFS-3868
Author: Andy Isaacson,
2012-08-30, 03:19
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Re: A question about the namenode's decision on the data placement of a new file - HDFS - [mail # dev]
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...On Fri, Aug 24, 2012 at 3:33 PM, wei xu wrote: You'll want to read BlockPlacementPolicy and its inheritors. -andy...
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Author: Andy Isaacson,
2012-08-24, 23:03
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[HDFS-3815] CorruptBlocks documentation is misleading - HDFS - [issue]
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...In FSNamesystem.java we have/** Returns number of blocks with corrupt replicas */ @Metric({"CorruptBlocks", "Number of blocks with corrupt replicas"})The CorruptBlocks metric does...
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http://issues.apache.org/jira/browse/HDFS-3815
Author: Andy Isaacson,
2012-08-18, 06:36
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[HDFS-3787] BlockManager#close races with ReplicationMonitor#run - HDFS - [issue]
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...We saw TestDirectoryScanner fail during shutdown:2012-08-09 12:17:19,844 WARN datanode.DataNode (BPServiceActor.java:run(683)) - Ending block pool service for: Block pool BP-610123021-...
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http://issues.apache.org/jira/browse/HDFS-3787
Author: Andy Isaacson,
2012-08-16, 08:20
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[HDFS-3710] libhdfs misuses O_RDONLY/WRONLY/RDWR - HDFS - [issue]
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...The O_RDONLY / O_WRONLY / O_RDWR macros in fcntl.h are not a bitmask; they are an enum stored in the low bits of the flag word. The proper way to use them isif ((flags & O_ACCMODE)...
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http://issues.apache.org/jira/browse/HDFS-3710
Author: Andy Isaacson,
2012-08-09, 13:56
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[HDFS-3760] primitiveCreate is a write, not a read - HDFS - [issue]
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...DistributedFileSystem.java:246 protected HdfsDataOutputStream primitiveCreate(Path f,247 FsPermission absolutePermission, EnumSet<CreateFlag> flag, int bufferSize,...
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http://issues.apache.org/jira/browse/HDFS-3760
Author: Andy Isaacson,
2012-08-08, 13:57
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[HDFS-3687] BlockPoolSliceScanner reportBadBlocks fails with Operation category WRITE is not supported in state standby - HDFS - [issue]
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...Rebooting a DN with a corrupt block results in the blockscanner getting an exception while scanning:2012-07-19 11:52:09,915 INFO org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner:...
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http://issues.apache.org/jira/browse/HDFS-3687
Author: Andy Isaacson,
2012-07-19, 20:18
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