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- > local-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 > >
