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Questions tagged [vora]

Use this tag to annotate questions about the use of Spark and Hadoop specifically in the context of SAP's Vora engine.

To quote from the official SAP Press Release:

“SAP HANA Vora is a new in-memory query engine which leverages and extends the Apache Spark execution framework to provide enriched interactive analytics on Hadoop. As companies take part in their digital transformation journey, they face complex hurdles in dealing with distributed Big Data everywhere, compounded by the lack of business process awareness across enterprise apps, analytics, Big Data and IoT sources.”

In short, SAP HANA Vora extends Hadoop with in-memory computing, enterprise functionality and data science, helping customers simplify their IT landscape and bring context to data lakes. It also extends the HANA platform with the ability to store Big Data and has data temperature management to move data from HANA to Vora.

For more info see the The SAP HANA Vora FAQ.

88 questions
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VORA Tables in Zeppelin and Spark shell

We have created test table from spark shell as well as from Zepellin. But when we do show tables on single table is visible in respective environment. Table created via spark shell is not displayed in Zepellin show table command. What is the…
Amruta
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Cannot see any connection in Metadata Explorer

I've created several connections in the "Connection Manager" application in SAP Data Hub 2.5, but none of these applications are listed for browsing in the "Metadata Explorer". Am I missing some additional configuration steps?
Dimitri Vorobiev
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Docker build failed

I'm trying to install SAP Vora 2.0 on AWS Minikube but I'm getting this error: "Docker build failed." Have tried with version 2.1 of Vora but still encountering similar error. This is the actual error log I'm getting: Downloading/unpacking…
Tom Caipas
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Difference between Spark Controller and SAP Vora

I have a HANA Express Server with version 2 SP 01 and a Hadoop Cluster with Hortonworks Data Platform 2.6. On the Hadoop cluster I installed Vora 1.4 and SparkController 2.1.1. I saw the following video, which explains the changes from one HANA…
D. Müller
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Vora Manager 1.3 log rotation

Is there any log rotation in Vora 1.3? After 2 months of running Vora 1.3 I realized I'm almost of disk space on my nodes because /var/log/vora-manager is like 46 Gb. So I had to stop it, kill the logs and restart. But maybe I missed some…
Roman
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SAP HANA Vora 1.2 : Cannot load as virtual table in HANA Studio

In SAP HANA Vora 1.2 Dev Edition: I've configured the Spark Controller and started server. Then I run the spark-shell and created a new table. In SAP HANA Studio i can see now folder "spark_velocity" and "table001" in it, which I created. When I try…
PrzemekS
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SAP Hana Vora : Unable to query vora tables

I am trying to query the vora table select * from table_name but geting below error...i am using SAP Hana Vora 1.2... Caused by: sap.hanavora.jdbc.VoraException: HL(9): Runtime error. (schema error: schema "spark_velocity" does not exist (c++…
Akash Jain
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SAP Hana Vora : Failed to create vora table

I am trying to create a vora table using spark-vora. but unable to create it getting below error... Caused by: com.sap.hl.catalog.VoraCatalogException$ConnectionTimeoutException: Failure in connecting to the catalog within 2 SECONDS at…
Akash Jain
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How to Install VORA on a dual NameNode Cluster

We have a dual NameNode Cluster, nn1 nn2, that is in failover mode. So if nn1 is down nn2 takesover. This seems to be a problem with VORA, it wants a single Namenode to deal with, HOST:PORT, when it is installed on our cluster it uses the Failover…
JRhino
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HANA Vora not taking password from putty

I have setup VORA and all the services are and cluster node are up and running while accessing vora account from putty using sudo su - vora it takes me to the vora account node which is [vora@master ~]$ now i want to login to vora account using…
prem patidar
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Migrate HANA to MPP

We have multiple information views (calculated/Analytics/attribute) views in HANA, we are planning to migrate our datawarehouse from HANA to other big data vendors. Is there a way to convert calc views from the backend metadata to some python/sql…
CoolGhost
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Full installation on SAP Data Hub, stuck at SAP Vora installation phase

I am in process of installing SAP Data Hub (full installation), I am currently stuck at SAP Vora installation phase with the error attached below. I am installing Vora from SAP Data Hub runtime package, installing on Kubernetes cluster (minikube)…
Subramani Ramakrishnan
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Does SAP Vora 2.1 need a Hadoop / Spark cluster? And can PySpark be used?

As per the documentation SAP_Vora_Installation_Admin_Guide_2.0_en.pdf, it is required to have an Hadoop / Spark cluster running and a Kubernetes cluster running as well. Now my question is, why do you need this Hadoop / Spark cluster? Because SAP…
Liam
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SAP Vora2.1 on AWS intermittently goes down

I have set up a SAP Vora2.1 installation on AWS using kops. It is a 4 node cluster with 1 master and 3 nodes. the persistent volume requirements for vsystem-vrep is provided using AWS-EFS and for other stateful components by using AWS-EBS. While the…
Deepak Jadhav
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SAP Vora 1.4 worker stopped

I'm running Vora 1.4 on a Centos 7.5 single node. The installation was fine, and I can access the Vora Manager. However the Vora Worker always stops. Here is what I see in /var/log/vora/vora-manager/vora-manager.log: May 7 22:47:29 centos…
GJaehrling
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