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07-27-2021
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11-16-2021
03:54 AM
Hi This error seems tobe related to Netty Version mismatch at hdfs/hadoop/spark. Please make sure you have consistent netty version across hdfs/hadoop/spark Thanks Sukrut
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11-16-2021
03:48 AM
Hello Please could you help me with the steps to upgrade netty on hdfs/hadoop & spark because I am facing the same issue and don't have the steps to upgrade netty version. Thanks Sukrut
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09-30-2021
04:03 AM
Hello We have Hortonworks environment and when i am running one hive query(which has multiple join) it is getting hung at reducer level and take 3 hrs to finish some time and some time it get hung. According to our hadoop support team they said we need to add memory in the queue but they said I need to tell them how much memoy I need to run my query. So how to calculate how much memory I need to execute my hive query successfully.
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Apache Hive
08-09-2021
08:54 PM
Thanks for your update. I have 10 hive tables and I am inserting data from these 10 tables to one hive denorm table but we have some conditions for few columns. Here every column is coming from some table and I need to put populate the column only if certain condition is true for example if table has name,age,salary column and condition is like if salary is 1000 then populate name column. INSERT INTO TABLE MANAGE(NAME,country)SELECT TABLENAME.NAME,TABLENAME.COUNTRY FROM TABLE1,TABLE2 How can I populate the name column with some condition.
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08-07-2021
11:27 PM
Hi I am in the process to create one dernormalized table and feed this table from multiple hive tables so my question is do I need to write multiple insert because there are total 13 tables but there is no single common column(field) in all of them. Thanks Sukrut
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Apache Hive