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[HDFS-8] Interrupting the namenode thread triggers System.exit() - HDFS - [issue]
...My service setup/teardown tests are managing to trigger system exits in the namenode, which seems overkill.1. Interrupting the thread that is starting the namesystem up raises a java.nio.cha...
http://issues.apache.org/jira/browse/HDFS-8    Author: Steve Loughran, 2014-03-25, 13:02
Re: [DISCUSS] Clarification on Compatibility Policy: Upgraded Client + Old Server - HDFS - [mail # dev]
...I'm clearly supportive of this, though of course the testing costs neededto back up the assertion make it more expensive than just a statement.Two issues-we'd need to make clear that new clu...
   Author: Steve Loughran, 2014-03-20, 12:53
Re: Data Locality with WebHDFS - HDFS - [mail # dev]
...  1. All the specifics of Hadoop's operations are hidden in the source.   That's a get-out clause of OSS, I know, but sometimes it's the clearest.   2. For webhdfs I...
   Author: Steve Loughran, 2014-03-19, 09:42
[HDFS-675] File not being replicated, even when #of DNs >0 - HDFS - [issue]
...One of my tests is now failing, possibly a race condition: java.io.IOException: File /test-filename could only be replicated to 0 nodes, instead of 1. ( there are currently 1 live data nodes...
http://issues.apache.org/jira/browse/HDFS-675    Author: Steve Loughran, 2014-03-19, 01:56
[expand - 3 more] - Re: In-Memory Reference FS implementations - HDFS - [mail # dev]
...On 7 March 2014 01:35, Jay Vyas  wrote:"help" with is a better plan. I really don't look at it that often. I'lltry and get it ready to review this weekendspecification. All the tests an...
   Author: Steve Loughran, 2014-03-07, 09:48
[expand - 1 more] - Re: FileSystem and FileContext Janitor, at your service ! - HDFS - [mail # dev]
...I was thinking to test YARN-hosted apps like MapReduce, we need to see howthey handle filesystems with different consistency/atomicity models, andYARN -even MiniYARNCluster -forks things off...
   Author: Steve Loughran, 2014-03-06, 17:52
[HDFS-95] UnknownHostException if the system can't determine its own name and you go DNS.getIPs("name-of-an-unknown-interface"); - HDFS - [issue]
...If you give an interface that doesnt exist, DNS.getIPs falls back to InetAddress.getLocalHost().getHostAddress()But there's an assumption there: that InetAddress.getLocalHost(). is valid. If...
http://issues.apache.org/jira/browse/HDFS-95    Author: Steve Loughran, 2014-02-11, 00:56
Re: Re-swizzle 2.3 - HDFS - [mail # dev]
...On 6 February 2014 17:07, Alejandro Abdelnur  wrote:-1 to that; if there are issues we should be able to find and fix them soonenough. Even if you aren't doing long-lived YARN services ...
   Author: Steve Loughran, 2014-02-07, 18:14
Re: Apache jenkins job to build release artifacts (WAS: Issue with my username on my company provided dev box?) - HDFS - [mail # dev]
...FWIW I've used a (local) VM for releases in the past, a VM with read-onlyaccess to the repository, that was never used for development-lets you lock down the box more-guarantees src is untai...
   Author: Steve Loughran, 2014-01-31, 11:10
Re: regression in 2.4? YARN severs on secure cluster startup - HDFS - [mail # dev]
...I can confirm that YARN-1600 fixes the YARN problem, so you can upgrade theYARN binaries without having to patch the yarn-site.xml to get them tostart again.However, that leaves the need to ...
   Author: Steve Loughran, 2014-01-30, 10:03
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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