Hi Pavel, Try this:
strace -o output.trace -f hadoop fs -put ... etc ... then grep clone output.trace -Todd On Mon, Dec 7, 2009 at 12:43 AM, pavel kolodin <[email protected] > wrote: > Hi Todd, > java is running as: > > /usr/lib/jvm/icedtea6-bin/bin/java <...> -Xmx1000m <...> -Xmx512 <...> > -Xmx512 <...> > > (don't know why several Xmx params are used, i thought that last one is > only meaningful). > > hadoop-env.sh is: > http://pastebin.com/m544f5b20 > > ~2500MB is available on each VPS node (16G on host machine). > > Thank you for answer. > -Pavel Kolodin. > > > Hi Pavel, >> >> Any chance you've changed the memory settings in hadoop-env.sh to give >> absurdly large heap sizes? >> >> How much RAM is available on your machine? >> >> -Todd >> >> On Mon, Dec 7, 2009 at 12:12 AM, pavel kolodin < >> [email protected] >> >>> wrote: >>> >> >> >>> Hello. >>> >>> I am using hadoop-0.20.1 on two VPS nodes with gentoo linux (hardware = >>> 16 >>> xeon cpu, 64bit). Previously i was using the same version on 2 separated >>> 32-bit machines and all was fine. Seems to be hadoop can not execute >>> 'whoami'. Maybe reason is another, but hadoop tells me that my name is >>> "DrWho". For example: >>> >>> had...@hadoopmaster ~ $ hadoop-0.20.1/bin/hadoop fs -put >>> /tmp/idata/bigbigbigfile / >>> put: org.apache.hadoop.security.AccessControlException: Permission >>> denied: >>> user=DrWho, access=WRITE, inode="":hadoop:hadoop:rwxr-xr-x >>> had...@hadoopmaster ~ $ >>> >>> 'whoami' itself is available as user 'hadoop' and returns 'hadoop'. >>> >>> Thank you for any suggestions! >>> Pavel Kolodin. >>> >>>
