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RE: Simple authentication - Hadoop - [mail # user]
...It looks like there're something wrong in server side. Would you paste the relevant content in core-site.xml in NN server?From: Adams Liam (INST/BSV-AM) [mailto:[EMAIL PROTECTED]]Sent: Sunda...
   Author: Zheng, Kai, 2016-02-01, 03:39
RE: Kerberos Issue - Hadoop - [mail # user]
...Yeah. If you don’t find kinit or klist command, you probably need to install Kerberos client (no KDC) package.Regards,KaiFrom: kishore alajangi [mailto:[EMAIL PROTECTED]]Sent: Thursday, Janu...
   Author: Zheng, Kai, 2016-01-21, 14:03
RE: Distcp fails with "Got EOF but currentPos = 240377856 < filelength = 1026034162" error - Hadoop - [mail # user]
...Looks like a file it’s copying is ended unexpectedly. Maybe need to find out which file, check or read the file in other means to ensure it’s fine not being corrupt.Regards,KaiFrom: Buntu De...
   Author: Zheng, Kai, 2016-01-19, 03:10
RE: dfs.datanode.failed.volumes.tolerated  change - Hadoop - [mail # user]
...As far as I know, Hadoop 2.6 supports disk hot-swapping on a DataNode without restarting the DataNode. Roughly you need to do two operations:1) change dfs.datanode.data.dir in the DataNode c...
   Author: Zheng, Kai, 2016-01-08, 08:40
Some questions about DistCp - Hadoop - [mail # dev]
...Hi,I recently did some investigation about DistCp and have some questions. I thought before diving into JIRA things it would be good to discuss them first here.I read the doc at the followin...
   Author: Zheng, Kai, 2016-01-08, 07:48
RE: Issue with WebHDFS Kerberos authentication, when running with JVM-1.7.0-SR1 or above - Hadoop - [mail # user]
...I roughly checked your logs. It’s in full details and something should be out.There was a line that said “error Message is Server not found in Kerberos database”, and the service name is “[E...
   Author: Zheng, Kai, 2016-01-07, 13:13
[expand - 1 more] - Question about subtype exceptions in the thrown list in addition to a more general one - Hadoop - [mail # dev]
...Hi,Would it be good to add to throw a subtype exception in addition to a more general exception already there in the thrown list? Is it some coding style that's required to follow or develop...
   Author: Zheng, Kai, 2015-12-29, 03:46
RE: [VOTE] Merge HDFS-7285 (erasure coding) branch to trunk - Hadoop - [mail # dev]
...Non-binding +1According to our extensive performance tests, striping + ISA-L coder based erasure coding not only can save storage, but also can increase the throughput of a client or a clust...
   Author: Zheng, Kai, 2015-09-23, 01:17
RE: UserGroupInformation and login with password - Hadoop - [mail # user]
...Hi John,Login from keytab is mostly expected for services. For end users, yes they use passwords. In Kerberos (and Hadoop), it's expected for end users to execute kinit like tool and generat...
   Author: Zheng, Kai, 2015-08-17, 23:40
RE: pkinit with heimdal kinit client - Hadoop - [mail # user]
...I'm surprised it was sent here. I thought it should be to [EMAIL PROTECTED].Anyway be the way, it looks like an inter-operable issue between MIT KDC and Heimdal kinit, resulting an ASN1 deco...
   Author: Zheng, Kai, 2015-06-11, 00:43
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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