just tried the command. returns instantaneously, no delay ~/installations/hadoop-0.23.5$ groups hduser hduser : hduser
ps: -F option is not working. On Thu, Apr 4, 2013 at 6:29 PM, Daryn Sharp <[email protected]> wrote: > Hi Gopi, > > Check if you can run "groups -F hduser". I think it's causing the delay. > > Daryn > > On Mar 31, 2013, at 1:17 AM, Gopi Krishna M wrote: > > Hi.. > > I have installed hadoop 0.23.5 and is working fine on two of my > installations. In a new installation on Windows Azure VMs, I am seeing an > inordinate delay (of 1 minute) when doing a simple dfs ls command. > > This is a 3 node cluster, running 64 bit Ubuntu 12.04.1 LTS, Sun jre > > command : bin/hadoop dfs -ls / > > With log set to DEBUG, following is the output on the console. The logs > in bold show the sleep/timeout/delay of *1 minute*. Any pointers on what > to check for / what is the reason for this delay? > > 13/03/31 05:48:55 DEBUG lib.MutableMetricsFactory: field > org.apache.hadoop.metrics2.lib.MutableRate > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginSuccess > with annotation @org.apache. > hadoop.metrics2.annotation.Metric(valueName=Time, about=, value=[Rate of > successful kerberos logins > and latency (milliseconds)], always=false, type=DEFAULT, sampleName=Ops) > 13/03/31 05:48:55 DEBUG lib.MutableMetricsFactory: field > org.apache.hadoop.metrics2.lib.MutableRate > org.apache.hadoop.security.UserGroupInformation$UgiMetrics.loginFailure > with annotation @org.apache. > hadoop.metrics2.annotation.Metric(valueName=Time, about=, value=[Rate of > failed kerberos logins and > latency (milliseconds)], always=false, type=DEFAULT, sampleName=Ops) > 13/03/31 05:48:55 DEBUG impl.MetricsSystemImpl: UgiMetrics, User and group > related metrics > 13/03/31 05:49:55 DEBUG security.Groups: Creating new Groups object > *13/03/31 05:49:55 DEBUG security.Groups: Group mapping > impl=org.apache.hadoop.security.ShellBasedUni* > *xGroupsMapping; cacheTimeout=300000* > *13/03/31 05:50:55 DEBUG security.UserGroupInformation: hadoop login* > 13/03/31 05:50:55 DEBUG security.UserGroupInformation: hadoop login commit > 13/03/31 05:50:55 DEBUG security.UserGroupInformation: using local > user:UnixPrincipal: hduser > 13/03/31 05:50:55 DEBUG security.UserGroupInformation: UGI > loginUser:hduser (auth:SIMPLE) > 13/03/31 05:50:56 DEBUG hdfs.DFSClient: Short circuit read is false > 13/03/31 05:50:56 DEBUG ipc.Client: The ping interval is 60000 ms. > 13/03/31 05:50:56 DEBUG ipc.Client: Use SIMPLE authentication for protocol > ClientProtocol > 13/03/31 05:50:56 DEBUG ipc.Client: Connecting to XXXXXX:9000 > > > Thanks > Gopi > > >
