Monthly Archive: October 2020

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Sqoop – Data import & export

Data import using Sqoop Teradata example $ sqoop import –connect jdbc:teradata://server_name/DATABASE=db1,LOGMECH=LDAP,CHARSET=UTF8 –driver “com.teradata.jdbc.TeraDriver” –username <user1> –password <password1> –query “select a.*, b.* from a inner join b on a.a_id=b.a_id where \$CONDITIONS AND a.f1 in (‘A’,’B’,’C’) group by 1” –null-string ‘\\N’ –null-non-string...

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RaspberryPi

Basic Steps Increase swap partition $ less /etc/dphys-swapfile $ ll /var/swap -rw——— 1 root 100M Aug 20 06:58 /var/swap $ sudo dphys-swapfile swapoff $ sudo vi /etc/dphys-swapfile # add below line for 2GB swap partition CONF_SWAPSIZE=2048 $ sudo dphys-swapfile setup...