You should not do "rm -rf /usr/lib/python2.6/site-packages" as this affects to other python scripts, such as "yum" This issue would be caused if you install ambari-server or /usr/lib/python2.6/site-packages/ambari_commons/str_utils.py is not a right one. Please make sure "/usr/lib/python2.6/site-packages/ambari_commons" is a symlink to /usr/lib/ambari-agent/lib/ambari_commons ... View more

Thank you very much for providing an answer. I'm having some difficulty to understand why SSF is also needed to increase. I'm just wondering accepting (or offering?) higher factor wouldn't require more buffer? ... View more

Now, to setup host and install HDP, only "./start_hdp.sh -a". It automatically sets up the latest HDP in your Ubuntu 14.04 (16 is not supported) To access, it starts a proxy on port 28080, so you can change the browser proxy setting to use Ubuntu_IP:28080. Or, if Ubuntu and your PC are in same network, just adding a route to containers works (eg: route add -net 172.17.100.0/24 Ubuntu_IP on your Mac) ... View more

In that case, how about setting session expirations if you haven't tried? For example, set hive.server2.idle.session.check.operation=true; set hive.server2.session.check.interval=2h; set hive.server2.idle.session.timeout=12h; hive.server2.idle.operation.timeout=8h; ... View more

How about checking netstat output as well? For example, as root: netstat -aopen | grep -w <HS2 PID> ... View more

Great article! I was wondering what -o option in "hdfs oiv -i"? ... View more

If not set, 0.8 will be / should be used. ... View more

I hope I'm not misunderstanding the question, but if you didn't set, 0.8 is the default value: public static final double TEZ_CONTAINER_MAX_JAVA_HEAP_FRACTION_DEFAULT = 0.8; ... View more