@Saikiran Parepally in your error Traceback (most recent call last): File "/usr/sbin/ambari-server.py", line 33, in from ambari_server.dbConfiguration import DATABASE_NAMES, LINUX_DBMS_KEYS_LIST File "/usr/lib/python2.6/site-packages/ambari_server/dbConfiguration.py", line 28, in from ambari_server.serverConfiguration import decrypt_password_for_alias, get_ambari_properties, get_is_secure, \ File "/usr/lib/python2.6/site-packages/ambari_server/serverConfiguration.py", line 36, in from ambari_commons.os_utils import run_os_command, search_file, set_file_permissions, parse_log4j_file ImportError: cannot import name parse_log4j_file can you check in /usr/lib/python2.6/site-packages/ambari_commons directory whether you have a file called os_utils.py in that file you should have a function def parse_log4j_file(filename): if you don't, you should yum remove ambari-server ambari-agent rm -rf /usr/lib/python2.6/site-packages/ambari_commons yum install ambari-server ambari-agent then check in that directory again to see if that file (os_utils.py) exists. I'm also urging you to install Ambari 2.4.2 instead of 2.4.1 as that was found to contain critical bugs. Also, can you tell us what OS you're running? Depending on the OS, it matters what version of Python you're running. http://docs.hortonworks.com/HDPDocuments/Ambari-2.4.2.0/bk_ambari-installation/content/software_requirements.html ... View more

addendum: the order of install and upgrade of ambari-server matters and it is the same for Ambari 2.4.2 as well. Morale of the story, read the documentation fully http://docs.hortonworks.com/HDPDocuments/Ambari-2.4.2.0/bk_ambari-upgrade/content/upgrade_ambari.html ... View more

@Raj B you can create a view on the RDBMS side to get diff, and sqoop on the view ... View more

You can do sqoop with where condition to specify your own logic of what to insert, look at free-frm queries but note it's limited to simple queries only https://sqoop.apache.org/docs/1.4.6/SqoopUserGuide.html#_free_form_query_imports ... View more

You can pass an escaped by clause Enable escaping for the delimiter characters by using the 'ESCAPED BY' clause (such as ESCAPED BY '\') Escaping is needed if you want to work with data that can contain these delimiter characters. https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL CREATE TABLE my_table(a string, b string, ...) ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.OpenCSVSerde' WITH SERDEPROPERTIES ( "separatorChar" = "\t", "quoteChar" = "'", "escapeChar" = "\\" ) STORED AS TEXTFILE; Default properties for SerDe is Comma-Separated (CSV) file DEFAULT_ESCAPE_CHARACTER \ ... View more

Your original question was not asking about dependency management, it was open ended, we can help you better if you ask right questions ... View more

Add two new nodes, then in Ambari there's an option to move namenode in the HDFS section. ... View more