Thanks Ravi, That's very helpful.
- Chansup On Mon, Oct 17, 2016 at 6:36 PM, Ravi Prakash <ravihad...@gmail.com> wrote: > Hi! > > https://github.com/apache/hadoop/blob/trunk/hadoop-yarn- > project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn- > server-nodemanager/src/main/java/org/apache/hadoop/yarn/ > server/nodemanager/containermanager/localizer/ResourceLocalizationService. > java#L1524 > > Just fyi, there are different kinds of distributed cache: > http://hortonworks.com/blog/resource-localization-in-yarn-deep-dive/ > Here's a good article from Vinod. > > HTH > Ravi > > On Mon, Oct 17, 2016 at 7:56 AM, CB <cbalw...@gmail.com> wrote: > >> Hi, >> >> I'm running Hadoop 2.7.1 release. >> While I'm running a MapReduce job, I've encountered a file permission >> issue as shown below because I'm working in an environment running Linux >> where world permissions bits are disabled. >> >> 2016-10-14 15:51:45,333 INFO org.apache.hadoop.yarn.server. >> nodemanager.containermanager.localizer.ResourceLocalizationService: >> Writing credentials to the nmPrivate file /state/partition1/hadoop/nm-lo >> cal-dir/nmPrivate/container_1476470591621_0004_02_000001.tokens. >> Credentials list: >> >> 2016-10-14 15:51:45,375 WARN org.apache.hadoop.yarn.server. >> nodemanager.containermanager.localizer.ResourceLocalizationService: >> Permissions incorrectly set for dir >> /state/partition1/hadoop/nm-local-dir/usercache, >> should be rwxr-xr-x, actual value = rwxr-x--- >> >> Does any one have any suggestions to work around the issue for a single >> user environment, where one user can running all the services and run the >> Map-reduce jobs? >> >> I'm not familiar with the source code but if you suggest me where to >> modify to relax the check, it would be appreciated. >> >> Thanks, >> - Chansup >> >> >
