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[expand - 2 more] - Re: [VOTE] Merge HDFS-6581 to trunk - Writing to replicas in memory. - HDFS - [mail # dev]
...-0.The goal of this feature is to improve write performance. I thought it wasthus reasonable for me to ask for write benchmarks. However, this requestwas not received warmly. For a performan...
   Author: Andrew Wang, 2014-09-26, 00:55
[expand - 11 more] - Re: Thinking ahead to hadoop-2.6 - Hadoop - [mail # dev]
...Hey Nicholas,My concern about Archival Storage isn't related to the code quality or thesize of the feature. I think that you and Jing did good work. My concern isthat once we ship, we're loc...
   Author: Andrew Wang, 2014-09-24, 18:37
Re: [VOTE] Merge HDFS-6584 Archival Storage to trunk - HDFS - [mail # dev]
...Hi all,I commented on HDFS-6584 with some feedback. Overall, the design looksreasonable and I think most of it can be addressed after the merge, thoughI'd appreciate a design doc rev and use...
   Author: Andrew Wang, 2014-09-12, 01:18
Re: Standby node from HADOOP-4539 - HDFS - [mail # dev]
...Hi Dmitry,Check out the docs here, our current HA story with QJM should suffice foryour needs:http://hadoop.apache.org/docs/r2.3.0/hadoop-yarn/hadoop-yarn-site/HDFSHighAvailabilityWithNFS.ht...
   Author: Andrew Wang, 2014-09-09, 23:04
[expand - 1 more] - Re: Git repo ready to use - Hadoop - [mail # dev]
...We're still not seeing findbugs results show up on precommit runs. I seethat we're archiving "../patchprocess/*", and Ted thinks that since it'snot in $WORKSPACE it's not getting picked up. ...
   Author: Andrew Wang, 2014-09-08, 22:39
[HDFS-7004] Update KeyProvider instantiation to create by URI - HDFS - [issue]
...See HADOOP-11054, would be good to update the NN/DFSClient to fetch via this method rather than depending on the URI path lookup....
http://issues.apache.org/jira/browse/HDFS-7004    Author: Andrew Wang, 2014-09-05, 19:42
[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, 2014-09-04, 02:15
[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, 2014-09-04, 02:15
[HADOOP-10856] HarFileSystem and HarFs support for HDFS encryption - Hadoop - [issue]
...We need to examine support for Har with HDFS encryption....
http://issues.apache.org/jira/browse/HADOOP-10856    Author: Andrew Wang, 2014-09-04, 00:35
[HADOOP-9405] TestGridmixSummary#testExecutionSummarizer is broken - Hadoop - [issue]
...HADOOP-9252 changed how human readable numbers are printed, and required updating a number of test cases. This one was missed because the Jenkins precommit job apparently isn't running the t...
http://issues.apache.org/jira/browse/HADOOP-9405    Author: Andrew Wang, 2014-09-03, 23:52
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