My ambari.properties has the following entries ! [root@amuru]# grep "password" /etc/ambari-server/conf/ambari.properties server.jdbc.rca.user.passwd=/etc/ambari-server/conf/password.dat server.jdbc.user.passwd=/etc/ambari-server/conf/password.dat All have the same password so enlighten me does the echo cascade the change ? ... View more

@Astronaut Bigdatanova It should also be stresssed that Hadoop is not a transactional system (OLTP) like most RDBM's. Hadoop is a massively scalable storage and batch data processing system. Hadoop offloads the particularly difficult problem of simultaneously ingesting, processing and delivering/exporting large volumes of data so existing systems can focus on what they were designed to do. ... View more

@Eric OReilly You shouldn't put fetch.message.max.bytes to config/server.properties but to your ConsumerConfi see this doc If you are using console consumer you may pass a --consumer.config consumer.properties flag where consumer.properties file will contain this config value. ... View more

1. To add on to Artem's idea. Disable IPv6 Temporarily 'echo 1 > /proc/sys/net/ipv6/conf/<interface-name>/disable_ipv6' eg 'echo 1 > /proc/sys/net/ipv6/conf/eth0/disable_ipv6' Disable IPv6 Permanently across reboots Edit the /etc/sysctl.conf and the following lines. # to disable IPv6 on all interfaces system wide net.ipv6.conf.all.disable_ipv6 = 1 # to disable IPv6 on a specific interface (e.g., eth0, lo) net.ipv6.conf.lo.disable_ipv6 = 1 net.ipv6.conf.eth0.disable_ipv6 = 1 2. Check the NTP server configuration or just restart NTP on both servers ... View more

@rgarcia why can't you just all together #drop the database and then retry if it fails Then just yum remove postgresql* and reinstall yum install postgresql* That could be much faster though I know the urge to know why is unavoidable ... View more

@Suresh Bonam Can you have a look at this doc ... View more

check this link Was your code like below sqoop import \ --connect jdbc:mysql://mysql.example.com/sqoop \ --username sqoop \ --password sqoop \ --table visits \ --incremental append \ --check-column id \ --last-value 1 16/03/18 08:16:36 INFO tool.ImportTool: Incremental import complete! ... 16/03/18 08:16:36 INFO tool.ImportTool: --incremental append 16/03/18 08:16:36 INFO tool.ImportTool: --check-column id 16/03/18 08:16:36 INFO tool.ImportTool: --last-value 2 ... View more

@Kibron Gebrehiwot could you rename your current HDP.repo to eg mv HDP.repo XXXHDP.repo.BCK the run these 2 commands as root # yum clean metadata # yum clean all Then recreate the HDP.repo with the attached contents don't change anything and then run # yum repolist Then retry ... View more

@Vinod Nerella For sure you have a connection issue"ERROR [main]DBAccessorImpl:102-Errorwhile creating database accessor" That's a driver issue see link I would advice you to use the most supported DB as Jonas mentioned mariaDB is not supported and getting help from this forum wont be that easy.For the beginning experiment with supported sofware ... View more