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[HDFS-6331] ClientProtocol#setXattr should not be annotated idempotent - HDFS - [issue]
...ClientProtocol#setXAttr is annotated @Idempotent, but this is incorrect since subsequent retries need to throw different exceptions based on the passed flags (e.g. CREATE, REPLACE)....
http://issues.apache.org/jira/browse/HDFS-6331    Author: Andrew Wang, 2014-05-05, 20:24
[HDFS-6295] Add "decommissioning" state and node state filtering to dfsadmin - HDFS - [issue]
...One of the few admin-friendly ways of viewing the list of decommissioning nodes is via "hdfs dfsadmin -report". However, this lists all the datanodes on the cluster, which is prohibitive for...
http://issues.apache.org/jira/browse/HDFS-6295    Author: Andrew Wang, 2014-05-05, 15:51
[HDFS-6333] REST API for fetching directory listing file from NN - HDFS - [issue]
...It'd be convenient if the NameNode supported fetching the directory listing via HTTP....
http://issues.apache.org/jira/browse/HDFS-6333    Author: Andrew Wang, 2014-05-03, 01:30
Nightly Jenkins build set up for HDFS-2006 branch - HDFS - [mail # dev]
...Hi all,I copied the trunk nightly build and adapted it to build the HDFS-2006branch. The test build I just kicked off seems to be working, but apologiesif it ends up spamming the dev list.Fe...
   Author: Andrew Wang, 2014-05-01, 20:31
Re: Policy on adding timeouts to tests - HDFS - [mail # dev]
...The timeouts are nice when trying to debug test failures on Jenkins,because otherwise you just see something like this:Caused by: java.lang.RuntimeException: The forked VM terminated without...
   Author: Andrew Wang, 2014-04-16, 18:44
[HDFS-4816] transitionToActive blocks if the SBN is doing checkpoint image transfer - HDFS - [issue]
...The NN and SBN do this dance during checkpoint image transfer with nested HTTP GETs via HttpURLConnection. When an admin does a -transitionToActive during this transfer, part of that is inte...
http://issues.apache.org/jira/browse/HDFS-4816    Author: Andrew Wang, 2014-04-14, 20:01
[HDFS-6069] Quash stack traces when ACLs are disabled - HDFS - [issue]
...When ACLs are disabled, I get a lot of stack traces in the namenode log. It'd be nice to quash them for less spew.14/03/06 13:56:53 INFO ipc.Server: IPC Server handler 9 on 8020, call org.ap...
http://issues.apache.org/jira/browse/HDFS-6069    Author: Andrew Wang, 2014-04-10, 14:12
[HDFS-5936] MiniDFSCluster does not clean data left behind by SecondaryNameNode. - HDFS - [issue]
...Seen this happen on a few Jenkins precommit runs:java.io.IOException: Inconsistent checkpoint fields.LV = -52 namespaceID = 1980502516 cTime = 0 ; clusterId = testClusterID ; blockpoolId = B...
http://issues.apache.org/jira/browse/HDFS-5936    Author: Andrew Wang, 2014-04-10, 14:12
[HDFS-5591] Checkpointing should use monotonic time when calculating period - HDFS - [issue]
...Both StandbyCheckpointer and SecondaryNameNode use Time.now rather than Time.monotonicNow to calculate how long it's been since the last checkpoint. This can lead to issues when the system t...
http://issues.apache.org/jira/browse/HDFS-5591    Author: Andrew Wang, 2014-04-02, 14:32
[HDFS-5988] Bad fsimage always generated after upgrade - HDFS - [issue]
...Internal testing revealed an issue where, after upgrading from an earlier release, we always fail to save a correct PB-based fsimage (namely, missing inodes leading to an inconsistent namesp...
http://issues.apache.org/jira/browse/HDFS-5988    Author: Andrew Wang, 2014-03-25, 20:48
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