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[HDFS-3985] Add timeouts to TestMulitipleNNDataBlockScanner - HDFS - [issue]
...Saw TestMulitipleNNDataBlockScanner hang in a jenkins job recently. Let's add the relevant test timeouts so we can see what's going on....
http://issues.apache.org/jira/browse/HDFS-3985    Author: Eli Collins, 2012-10-17, 14:21
[HDFS-4029] GenerationStamp should use an AtomicLong - HDFS - [issue]
...GenerationStamp#genstamp is a volatile long. Incrementing volatiles is not thread safe, which is currently not an issue because the only increment is done in nextStamp which is synchronized ...
http://issues.apache.org/jira/browse/HDFS-4029    Author: Eli Collins, 2012-10-17, 14:21
[HDFS-4058] DirectoryScanner may fail with IOOB if the directory scanning threads return out of volume order - HDFS - [issue]
...The DirectoryScanner may fail with an IOOB if the directory scanning threads return out of volume order (ie volume scanner #3 returns before volume scanner #2). This is because it's using an...
http://issues.apache.org/jira/browse/HDFS-4058    Author: Eli Collins, 2012-10-17, 14:21
[HDFS-3582] Hook daemon process exit for testing - HDFS - [issue]
...Occasionally the tests fail with "java.util.concurrent.ExecutionException: org.apache.maven.surefire.booter.SurefireBooterForkException:Error occurred in starting fork, check output in log" ...
http://issues.apache.org/jira/browse/HDFS-3582    Author: Eli Collins, 2012-10-17, 13:44
[HDFS-4054] Increase the invalidation rate based on the pending deletion count   - HDFS - [issue]
...It is currently possible to run out of free space on a cluster before HDFS fills up because when deleting a file we adjust the HDFS quota immediately but don't actually delete the block unti...
http://issues.apache.org/jira/browse/HDFS-4054    Author: Eli Collins, 2012-10-15, 20:25
Status of CheckpointNode and BackupNode - HDFS - [mail # dev]
...Hey gang,  Is anyone using the BackupNode and/or CheckpointNode?   I'm not aware of anyone using them, and the only outstanding related jira is HDFS-2064, which has been open for o...
   Author: Eli Collins, 2012-10-15, 19:12
[DISCUSS] Increasing the default block size - HDFS - [mail # dev]
...Heads up - I filed HDFS-4053 to increase the default HDFS block size in trunk for v3. It's been 64mb forever, and most production clusters I'm aware of use a higher value, it's worth conside...
   Author: Eli Collins, 2012-10-15, 18:57
[HDFS-3480] Multiple SLF4J binding warning - HDFS - [issue]
...Looks like HDFS-3136 was re-introduced on trunk, don't see it on branch-2.From a trunk build from today:hadoop-3.0.0-SNAPSHOT $ ./bin/hadoop fs -ls -R /SLF4J: Class path contains multiple SL...
http://issues.apache.org/jira/browse/HDFS-3480    Author: Eli Collins, 2012-10-11, 18:46
[HDFS-3583] Convert remaining tests to Junit4 - HDFS - [issue]
...JUnit4 style tests are easier to debug (eg can use @Timeout etc), let's convert the remaining tests over to Junit4 style....
http://issues.apache.org/jira/browse/HDFS-3583    Author: Eli Collins, 2012-10-11, 18:46
[HDFS-3879] Fix findbugs warning in TransferFsImage on branch-2 - HDFS - [issue]
...The trunk patch for HDFS-3190 fixed the following findbugs warning but the branch-2 merge missed it.Dead store to buf in org.apache.hadoop.hdfs.server.namenode.TransferFsImage.getFileClient(...
http://issues.apache.org/jira/browse/HDFS-3879    Author: Eli Collins, 2012-10-11, 18:46
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