Re: Kerberised JobHistory Server not starting: User jhs trying to create the /mr-history/done directory

On 21 July 2017 at 04:04, Erik Krogen wrote: > Hi Kevin, > > Since you are using the "jhs" keytab with principal "jhs/_h...@realm.tld", > the JHS is authenticating itself as the jhs user (which is the actual > important part, rather than the user the process is running as).

Re: Access to yarn application log files for different user or group

I just realized that this problem is solved in version 2.9 and version 3.0 alpha 1 to 4. There you can set in yarn-site.xml the following parameter yarn.nodemanager.default-container-executor.log-dirs.permissions. I guess i will have to solve my problem with a bash script until the version 2.9 is

Re: Kerberised JobHistory Server not starting: User jhs trying to create the /mr-history/done directory

Hi Kevin, Since you are using the "jhs" keytab with principal "jhs/_h...@realm.tld", the JHS is authenticating itself as the jhs user (which is the actual important part, rather than the user the process is running as). If you want it to be the "mapred" user, you should change the

RE: Namenode not able to come out of SAFEMODE

Hi, Thanks for the quick reply. That was exactly the problem. The datanodes were throwing error of "maximum IPC message length size not enough" but we were focusing on NameNodes only. I changed the "ipc.maximum.data.length" property in core-site.xml file(I found this solution of

RE: Namenode not able to come out of SAFEMODE

Dn1 and Dn2 is re-started successfully..? can you check the DN logs..? --Brahma Reddy Battula From: omprakash [mailto:ompraka...@cdac.in] Sent: 20 July 2017 12:12 To: user@hadoop.apache.org Subject: Namenode not able to come out of SAFEMODE Hi all, I have a setup of 3 node Hadoop