AW: Migration of Hadoop Warehouse to newer versions lead to bad performance for JDBC-data-retrieval

Hello Mitch, Hello all, First of all. Thanks to you. we appreciate your input, yet we would hope for more specific hints or details on how to thoroughly evaluate the speed of the retrieval. The disk performance on the machine was already a good step. yes you understood well. but the newer h

Re: Migration of Hadoop Warehouse to newer versions lead to bad performance for JDBC-data-retrieval

Hi Julien, I am not aware that either Hive or HDFS logs provide matrix on performance of either. However, tools like Ganglia should give you some performance matrix. Your Haddop administrator ideally should already have such tools somewhere and through Hortonworks Data Platf

AW: Migration of Hadoop Warehouse to newer versions lead to bad performance for JDBC-data-retrieval

Hello Mich, Thank you very much for your answers! I will have a look at these points in the morning tomorrow. Kudos for the answers, J Julien Tane Big Data Engineer [Tel.] +49 721 98993-393 [Fax] +49 721 98993-66 [E-Mail]j...@solute.de solute GmbH Zepp