RE: A question goes on my mind : Can we (other applications) use HDFS without MapReduce ?
Yes, we can with the help of YARN. From: Matouk IFTISSEN [mailto:matouk.iftis...@ysance.com] Sent: Monday, July 15, 2013 3:40 PM To: user@hive.apache.org Subject: A question goes on my mind : Can we (other applications) use HDFS without MapReduce ? Hello, Can we (other applications) use HDFS without invoking MapReduce operations? Thanks for your answers. CAUTION - Disclaimer * This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS End of Disclaimer INFOSYS***
Hortonworks HDP 1.3 vs. HDP 1.1
Hi Hive Team, Currently am developing and testing the Hive queries in HDP 1.1 with Hadoop 1.0.3 and Hive 0.9.0 However, it seems that my production is going to get upgraded to HDP 1.3 in near future. Will it will impact with respect to design, optimization? Please suggest. Regards, Kumar Chinnakali CAUTION - Disclaimer * This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS End of Disclaimer INFOSYS***
Hive help on the update
Hi Hive Team, I have Teradata Query as below and my intention is to convert in to Hive Query(HQL). Tried but it's vain. SELECT Col_1, Col_2, Col_3, MIN(Col_3) OVER(Partition by Col_1 ORDER BY Col_3, Col_2 rows between 1 preceding and 1 preceding) prev_Col_3 FROM work_table ; Example: Actual Work table: Col_1 Col_3 Prev_Col_3 P1 9:00 Null P1 10:00 Null P2 11:00 Null P2 12:00 Null Expected result: Col_1 Col_3 Prev_Col_3 P1 9:00 Null P1 10:00 9:00 P2 11:00 Null P2 12:00 11:00 Any help will be much help full. Regards, Kumar Chinnakali :) CAUTION - Disclaimer * This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS End of Disclaimer INFOSYS***