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[expand - 1 more] - Re: Theory question: good values for FileStatus.getBlockSize() - HDFS - [mail # dev]
...Thanks for the update.I actually knew projects that went 1GB+ partly for NN space, but also as disk & CPU performance went up, you got more throughput by reducing the amount of time spent on...
   Author: Steve Loughran, 2015-02-20, 21:26
[HDFS-7665] Add definition of truncate preconditions/postconditions to filesystem specification - HDFS - [issue]
...With the addition of a major new feature to filesystems, the filesystem specification in hadoop-common/site is now out of sync. This means that there's no strict specification of what it sho...
http://issues.apache.org/jira/browse/HDFS-7665    Author: Steve Loughran, 2015-02-10, 20:17
[HDFS-49] MiniDFSCluster.stopDataNode will always shut down a node in the cluster if a matching name is not found - HDFS - [issue]
...The stopDataNode method will shut down the last node in the list of nodes, if one matching a specific name is not foundThis is possibly not what was intended. Better to return false or fail ...
http://issues.apache.org/jira/browse/HDFS-49    Author: Steve Loughran, 2015-01-28, 11:35
[HDFS-135] TestEditLog assumes that FSNamesystem.getFSNamesystem().dir is non-null, even after the FSNameSystem is closed - HDFS - [issue]
...In my modified services, I'm setting FSNameSystem.dir to null on close():        if(dir != null) {         dir.close();     &...
http://issues.apache.org/jira/browse/HDFS-135    Author: Steve Loughran, 2015-01-26, 22:52
[HDFS-42] NetUtils.createSocketAddr NPEs if dfs.datanode.ipc.address is not set for a data node - HDFS - [issue]
...DataNode.startDatanode assumes that a configuration always returns a non-null dfs.datanode.ipc.address value, as the result is passed straight down to NetUtils.createSocketAddrInetSocketAddr...
http://issues.apache.org/jira/browse/HDFS-42    Author: Steve Loughran, 2015-01-26, 22:48
patch for review - HDFS - [mail # dev]
...Can someone take a look at HDFS-49: MiniDFSCluster.stopDataNode will alwaysshut down a node in the cluster if a matching name is not foundhttps://issues.apache.org/jira/browse/HDFS-49I appea...
   Author: Steve Loughran, 2015-01-26, 22:40
hdfs jenkins builds working after java 7 migration - HDFS - [mail # dev]
...We have now had a successful HFDS build/test run on jenkinshttps://builds.apache.org/view/H-L/view/Hadoop/job/Hadoop-Hdfs-trunk/1970/what does that mean? It means if a build fails it is now ...
   Author: Steve Loughran, 2014-12-13, 18:19
[HDFS-7490] HDFS tests OOM on Java7+ - HDFS - [issue]
...The HDFS tests are running out of memory with the switch to Java7; HADOOP-11363 covers the patch; this is in HDFS to force test it there...
http://issues.apache.org/jira/browse/HDFS-7490    Author: Steve Loughran, 2014-12-09, 15:53
Re: Upgrading findbugs - HDFS - [mail # dev]
...+1 to upgrade.regarding the newly surfacing issues, I'd recommend we look at them and seewhich are critical problems and fix them.One of the conclusions I got from the building is that there...
   Author: Steve Loughran, 2014-12-09, 10:16
Re: Thinking ahead to hadoop-2.7 - HDFS - [mail # dev]
...On 8 December 2014 at 19:48, Colin McCabe  wrote:I don't think so —the 2.6 release was tested pretty aggressively on JDK7,and solely on it for Windows. Pushing out a 2.7 release would b...
   Author: Steve Loughran, 2014-12-08, 23:02
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB