Can we recommend TDCH for Extract-Load process - response (2) by ToddAWalter
It would be worthwhile to diagnose why the connections/jobs are failing. An enhancement request is a great idea but it is not as simple as turning on checkpointing. A whole mechanism to reposition the...
View ArticleCan we recommend TDCH for Extract-Load process - response (3) by TDThrottle
Thanks Tom and Todd for sharing expertise inputs.@Tom Yes, we are Teradata customers will submit an enhancement request to "Teradata At Your Service" for TDCH internal.fastload to support FastLoad...
View ArticleFree Webinar on Big Data and Hadoop Developer - forum topic by poonam patel
Hi, GreyCampus is conducting Free Webinar on Big Data and Hadoop Developer(link is external). Learn Big Data & Hadoop Developer and become a Hadoop Expert by mastering MapReduce, Yarn, Pig, Hive,...
View ArticleMultithreaded/MultiProcess inserts in teradata (Sqoop with teradata) - forum...
Hi all, I am trying to export a hive table to teradata using sqoop with teradata jdbc driver. The sqoop export works well only when I use a single mapper. With multiple mappers, the jdbc driver throws...
View ArticleFree Webinar on Big Data and Hadoop Developer - forum topic by poonam patel
Hi, GreyCampus is conducting Free Webinar on Big Data and Hadoop Developer(link is external). Learn Big Data & Hadoop Developer and become a Hadoop Expert by mastering MapReduce, Yarn, Pig, Hive,...
View ArticleCan the TDCH be used to load data into view (in teradata) - forum topic by...
I was trying use TDCH connector to load the data from Hive table to Teradata table. But, I want to load the data into the targt table (in teradata) via VIEW instead of accessing the table directly....
View ArticleCan the TDCH be used to load data into view (in teradata) - response (1) by...
Hi, Please see the TDCH README for a description of the 'tdch.output.teradata.data.dictionary.use.xview' property. You cannot use TDCH's internal.fastload method to load TD views; please try using...
View ArticleNeed to get common users to multiple users mapped to it - forum topic by Ram912
Hi, I have a table which has one user ID mapped to multiple user IDs. I want to get the common user IDs mapped to each of the two user IDs My Data looks in the following way User ID User ID 1 1 2 1 3 1...
View ArticleNeed to get common users for every combination of user IDs - forum topic by...
Hi, I have a table which has one user ID mapped to multiple other user IDs. I want to get the common user IDs mapped to every two user IDs My Data looks in the following way User ID User ID 1 1 2 1 3...
View ArticleNeed to get common users for every combination of user IDs - response (1) by...
SELECT t1.UserId, t2.UserId, COUNT(*) FROM tab AS t1 JOIN tab AS t2 ON t1.UserId < t2.UserId -- different user id AND t1.UserId1 = t2.UserId1 -- same user id 1 GROUP BY 1,2
View ArticleNeed to get common users for every combination of user IDs - response (2) by...
Thanks Dieter for the solution
View ArticleSqoop export fails with untranslatable character error - response (4) by...
Hi, We haven't found the solution. We restricted characters only to ASCII solved this issue on our side. -Karthik
View ArticleSplitsize for the Hive table in TDCH - forum topic by ehbhaskar
I'm using TDCH to export a hive data into teradata table. For this I need to specify the number of mappers to my TDCH job. So, my question is "is this number of mappers option we give to TDCH job is...
View ArticleHive table export to Teradata using TDCH failing... due to connection reset -...
when exporting 2billion+ records into teradata from hadoop using TDCH (Teradata Connector for Hadoop) using the below command with "batch.insert", hadoop jar teradata-connector-1.3.2-hadoop210.jar...
View ArticleSqoop export fails with untranslatable character error - response (5) by...
I have a similar issue. The data is already ASCII and per the customers request we are using ASCII \037 as a seperator in our tdch cli scripts. Upon execution we error out because the data is being...
View ArticleSqoop export fails with untranslatable character error - response (6) by...
We found a solution to this problem. TDCH will take an ASCII seperator in the form of unicode. '\037' = '\u001F' --Josh
View ArticleHow to load data from a hive table defined with custom serde to teradata...
Currently TDCH supports 4 file formats (RCFILE|ORCFILE|SEQUENCEFILE|TEXTFILE) . Is there a way to load data from a custom serde formatted table .? Any suggestions please ? Thanks, RNForums: Hadoop
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Why Big Data? - Live Webinar - forum topic by RathnaPC
Big Data refers to large sets of data that cannot be analyzed with traditional tools. Techfetch.com has planned to conduct a webinar “Why Big Data?” on Oct 23, 2015. You can come to know about various...
View ArticleHive table export to Teradata using TDCH failing... due to connection reset -...
Did you set the environment variables? Export these variables first and run your command. export TDCH_JAR=/usr/lib/tdch/1.3/lib/teradata-connector-1.3.3.jar export HADOOP_HOME=/usr/lib/hadoop export...
View ArticleTeradata Binary file to Hadoop Sequence File - forum topic by muthu1802
Could Some one please help on how to convert teradata binary file to hadoop sequence file. I have exported data from teradata table to binary file using TPT in binary mode. How to convert that binary...
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