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[HADOOP-13362] DefaultMetricsSystem leaks the source name when a source unregisters
...Ran across a nodemanager that was spending most of its time in GC. Upon examination of the heap most of the memory was going to the map of names in org.apache.hadoop.metrics2.lib.Uniqu...
, 2017-01-06, 19:08
[HADOOP-12706] TestLocalFsFCStatistics#testStatisticsThreadLocalDataCleanUp times out occasionally
...TestLocalFsFCStatistics has been failing sometimes, and when it fails it appears to be from FCStatisticsBaseTest.testStatisticsThreadLocalDataCleanUp. The test is timing out when it fa...
, 2017-01-06, 01:43
[HADOOP-12191] Bzip2Factory is not thread safe
...Bzip2Factory.isNativeBzip2Loaded is not protected from multiple threads calling it simultaneously. A thread can return false from this method despite logging the fact that was going to...
, 2017-01-06, 01:40
[HADOOP-12958] PhantomReference for filesystem statistics can trigger OOM
...I saw an OOM that appears to have been caused by the phantom references introduced for file system statistics management. I'll post details in a followup comment....
, 2017-01-06, 01:02
Re: Updated 2.8.0-SNAPSHOT artifact
- [mail # dev]
...At this point my preference would be to do the most expeditious thing to release 2.8, whether that's sticking with the branch-2.8 we have today or re-cutting it on branch-2. Doing a quick J...
, 2016-11-04, 22:39
Re: [VOTE] Release Apache Hadoop 2.6.5 (RC1)
- [mail # dev]
...+1 (binding)- Verified signatures and digests- Built native from source- Deployed to a single-node cluster and ran some sample jobsJason On Sunday, October 2, 2016 7:13 PM...
, 2016-10-10, 13:38
[HADOOP-13552] RetryInvocationHandler logs all remote exceptions
...RetryInvocationHandler logs a warning for any exception that it does not retry. There are many exceptions that the client can automatically handle, like FileNotFoundException, Unresolv...
, 2016-08-30, 01:11
Re: [VOTE] Release Apache Hadoop 2.7.3 RC2
- [mail # dev]
...+1 (binding)- Verified signatures and digests- Successfully built from source with native support- Deployed a single-node cluster- Ran some sample jobs successfullyJason ...
, 2016-08-22, 18:25
[HADOOP-12125] Retrying UnknownHostException on a proxy does not actually retry hostname resolution
...When RetryInvocationHandler attempts to retry an UnknownHostException the hostname fails to be resolved again. The InetSocketAddress in the ConnectionId has cached the fact that the ho...
, 2016-08-18, 01:05
[HADOOP-13500] Concurrency issues when using Configuration iterator
...It is possible to encounter a ConcurrentModificationException while trying to iterate a Configuration object. The iterator method tries to walk the underlying Property object without p...
, 2016-08-16, 19:51
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