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[HDFS-2637] The rpc timeout for block recovery is too low - HDFS - [issue]
...The RPC timeout for block recovery does not take into account that it issues multiple RPCs itself. This can cause recovery to fail if the network is congested or DNs are busy....
http://issues.apache.org/jira/browse/HDFS-2637    Author: Eli Collins, 2012-10-17, 19:27
[HDFS-3008] Negative caching of local addrs doesn't work - HDFS - [issue]
...HDFS-2653 added negative caching of local addrs, however it still goes through the fall through path every time if the address is non-local....
http://issues.apache.org/jira/browse/HDFS-3008    Author: Eli Collins, 2012-10-17, 19:27
[HDFS-3044] fsck move should be non-destructive by default - HDFS - [issue]
...The fsck move behavior in the code and originally articulated in HADOOP-101 is:Current failure modes for DFS involve blocks that are completely missing. The only way to "fix" them would be t...
http://issues.apache.org/jira/browse/HDFS-3044    Author: Eli Collins, 2012-10-17, 19:27
[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
[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
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