When having multiple hue pages run tez applications at the same time, it, sometimes, will apply the same session to two different tasks, which will ca ...
I am trying to query data from source table but I am unable to see the result properly. Source table structure I have data in JSON format. My JSO ...
I am running a hive query where distinct is applied on all the selected columns, and I noticed that there are a couple of reducers being initiated for ...
I have a Hive external table with parquet data. When I run select count(*) from table1, it fails with Tez. But when execution engine is changed to ...
Hello All I have getting "Vertex failed, vertexName=Map" error while inserting in to a hive table . . Vertex failed, vertexName=Map 1, vert ...
The documentation is not clear. All blog post examples about Hive LLAP (Long Live and Process) uses the Tez execution engine, but can Spark/MR hive en ...
I want to automate my hive ETL workflow in such a way that I need to execute hive jobs on the basis of execution engine (Tez or MR) because of memo ...
Ive got hadoop-2.8.3, hive-2.3.2, and tez (trying out 0.9 and 0.8.5 versions). tez-site basic conf: tez.lib.uris: /apps/tez/apache-tez-0.8.5-bin.t ...
I have a pig script running on an emr cluster (emr-5.4.0) using a custom UDF. The UDF is used to lookup some dimensional data for which it imports a ( ...
[After a few answers and comments I asked a new question based on the knowledge gained here: Out of memory in Hive/tez with LATERAL VIEW json_tuple ] ...
I'm trying to use Hive on tez to query orc format data stored in S3. Tez AM scheduled tasks very slow, a lot of Map tasks remained in "PENDING" for a ...
I have a very strange behavior with my cluster, I am running Delete/Update statement in Hive cli which sometime works fine and some time fails below i ...
I cloned the Hive Testbench to try to run Hive benchmark on a hadoop cluster built with Apache binary distributions of Hadoop v2.9.0, Hive 2.3.0 and T ...
I have a sql which has multiple joins. Above is the line from the log which is rnning for last few hours. How do I check what map 8 is doing and w ...
I have a basic setup of Ambari 2.5.3 and HDP 2.6.3 and tried to run some simple queries below. I don't understand why it failed. Can you help? UPDA ...
I am trying to execute offset query in hive where I am trying to exclude particular records, but always getting the error below: Query: Error: ...
can any one explain what is VERTEX_FAILURE error in Hive while using Tez execution engine ? Also what is the root cause of it? ...
I am running a code which basically goes like this: Number of records in table1=7009102 Number of records in table2=1787493 I have similar 6 queri ...
I'm populating a partitioned Hive table in parquet storage format using a query that is using a number of union all operators. Query is executed using ...
I try to launch a mapreduce job, but I get an error while excuting the jobs in shell or in hive : hive> select count(*) from employee ; Query I ...