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[HDFS-4039] Add option for WebHDFS to be a proxy, rather than just 302 to the DNs - HDFS - [issue]
...Add an option allowing webhdfs to proxy to the DNs, rather than redirecting to them....
http://issues.apache.org/jira/browse/HDFS-4039    Author: Steve Loughran, 2012-10-17, 10:34
Re: MiniDFSCluster - HDFS - [mail # dev]
...On 5 September 2012 18:42, Vladimir Rozov  wrote:  t   These aren't in 1.x, but new stuff in 2.x, which means that this behaviour is a regression.   ectory  This is ...
   Author: Steve Loughran, 2012-09-07, 13:15
Re: knowing the nodes on which reduce tasks will run - HDFS - [mail # user]
...On 3 September 2012 15:19, Abhay Ratnaparkhi wrote:  you could always set up specific partitions for intermediate data, though you get better bandwidth by striping the data across all d...
   Author: Steve Loughran, 2012-09-04, 11:33
[HDFS-2966] TestNameNodeMetrics tests can fail under load - HDFS - [issue]
...I've managed to recreate HDFS-540 and HDFS-2434 by the simple technique of running the HDFS tests on a desktop with out enough memory for all the programs trying to run. Things got swapped o...
http://issues.apache.org/jira/browse/HDFS-2966    Author: Steve Loughran, 2012-08-17, 08:10
[HDFS-2492] BlockManager cross-rack replication checks only work for ScriptBasedMapping - HDFS - [issue]
...The BlockManager cross-rack replication checks only works if script files are used for replication, not if alternate plugins provide the topology information.This is because the BlockManager...
http://issues.apache.org/jira/browse/HDFS-2492    Author: Steve Loughran, 2012-07-28, 00:32
[HDFS-116] NPE if the system can't determine its own name and you go DNS.getDefaultHost(null) - HDFS - [issue]
...In a test case that I am newly writing, on my infamous "home machine with broken DNS", I cant call getByName(null) without seeing a stack trace:Testcase: testNullInterface took 0.014 sec Cau...
http://issues.apache.org/jira/browse/HDFS-116    Author: Steve Loughran, 2012-07-28, 00:06
[HDFS-566] INode.permissions should be marked as volatile to avoid synchronization problems - HDFS - [issue]
...Looking at INode, I can see that the long permissions field is updated in the synchronized updatePermissions, read in other non-synchronized contextsI believe that to avoid race conditions a...
http://issues.apache.org/jira/browse/HDFS-566    Author: Steve Loughran, 2012-05-03, 23:40
[HDFS-891] DataNode no longer needs to check for dfs.network.script - HDFS - [issue]
...Looking at the code for DataNode.instantiateDataNode())} , I see that it calls {{system.exit(-1) if it is not happy with the configurationif (conf.get("dfs.network.script") != null) { &...
http://issues.apache.org/jira/browse/HDFS-891    Author: Steve Loughran, 2012-04-19, 14:03
[HDFS-798] Exclude second Ant JAR from classpath in hdfs builds - HDFS - [issue]
...I've no evidence that this is a problem, but I have known it to be in different projects:[junit] WARNING: multiple versions of ant detected in path for junit     [junit]  ...
http://issues.apache.org/jira/browse/HDFS-798    Author: Steve Loughran, 2012-04-02, 06:16
[HDFS-554] BlockInfo.ensureCapacity may get a speedup from System.arraycopy() - HDFS - [issue]
...BlockInfo.ensureCapacity() uses a for() loop to copy the old array data into the expanded array.  System.arraycopy() is generally much faster for this, as it can do a bulk memory copy. ...
http://issues.apache.org/jira/browse/HDFS-554    Author: Steve Loughran, 2012-03-05, 02:49
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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