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Questions tagged [kylin]

An open source distributed Analytical Engine from eBay to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop to support TB to PB size analysis.

An open source distributed Analytical Engine from eBay to provide SQL interface and multi-dimensional analysis (OLAP) on Hadoop to support TB to PB size analysis.

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158 questions
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Apache Kylin installation without Sandbox

I was wondering if there are any resources regarding Apache Kylin installation without any sandbox (like cloudera, hortonworks) support. I have managed to do the following: Install Hadoop 2.6 Install Hive Install HBase Then I used the binary from…
dumb_terminal
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Apache Kylin - wrong output at the first step of cube building

I'am trying to build my first cube using Apache Kylin, everything goes fine until last step where I'm getting error: java.lang.IllegalStateException: Can't get cube source record count. at…
Adrian Wąsik
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Apache Kylin fault tolerance

Apache Kylin looks like a great tool that will fill in the needs of a lot data scientists. It's also a very complex system. We are developing an in-house solution with exactly the same goal in mind, multidimensional OLAP cube with low query…
user3931226
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measure column showing 1 as values instead of the actual values in Kylin SQL Query answer table

The measure is of type column (not constant) and is bigint. I selected the measure from the dropdown corretly as well. measure column returns 1 for all column values instead of actual values when querying the cube. What could be the underlying…
marc nicole
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How to setup development environment for kylin with Hadoop in Windows

I want to use a Kylin instance on my Windows machine. I saw from the docs this link (https://kylin.apache.org/development40/dev_env.html) that explains how to setup development environment for Kylin on Windows. my kylin.properties is as…
Martin Moore
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Compiling source code of Kylin throws maven error

I want to compile source code of Kylin and build it using Java 17 is that even possible? I issue the following cmds: git clone https://github.com/apache/kylin.git mvn clean install -DskipTests But the maven complains about: [ERROR] Failed to…
marc nicole
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Missing hadoop conf files Docker Kylin 5

Last Docker image update Kylin 5.0 I have an error after command $KYLIN_HOME/bin/sample.sh Missing hadoop conf files. Please contact Community support for more details. Try…
Кирилл
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Data cannot be read from REDIS

My java project can read and write data on other linux systems normally, the newly deployed production environment is the Kirin Linux system under the arm architecture, when running the web system on it, only one hour before the start can read and…
佳琦李
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Connect to HIVE in kylin container (docker)

when executing a command: beeline -u jdbc:hive2://localhost:9000 I am getting below error: WARN transport.TSaslTransport: Could not send failure response ... 30 more Error: Could not open client transport with JDBC Uri: jdbc:hive2://localhost:9000:…
Dennis
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How to create calculated measure lastchild in Kylin MDX?

Colleagues, good afternoon! There is no lastchild type for measures by default in Kylin. Therefore, a problem arises when calculating such indicators as the stock. Monthly stock = stock on the last day of the month, stock for the year = stock on the…
Ruslan
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Current User Apache Kylin

Why "select current_user" in Apache Kylin always return 'sa' How to get real user connected and queried kylin? I tried docker image Kylin v 4.0.1. No matter who is Authorized - "select current_user" always return 'sa'
Кирилл
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Unable to connect Apache kylin to superset

I'm running Superset on docker on windows, and kylin is runnning on another machine both are in same virtual network. I have installed kylinpy on docker container to enable connection from kylin on superset but I'm unable to connect. I'm getting…
Ali Akber Faiz
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Row level security in Apache Kylin

I'm interessting is there a way to implement row level security in Apache Kylin (v4 or v5). Or, can we get connected user login while hi is quering a cube? I see constant current_user, but i always return sa user login. In apache hive there is a…
Кирилл
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Pyhive connection on docker container

I am using Apache Kylin on a docker container, the services working normally, but I am having some troubles connecting to Hive using pyhive. I would like to list my databases using "show databases;" in code bellow, but I'm getting this…
Rodrigo Rocha
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How can I increase cluster capacity for Kylin inside Docker

I am currently running a job on Kylin built from Docker: https://kylin.apache.org/docs30/install/kylin_docker.html I am seeing this: 2022-05-16 15:55:43,519 INFO [pool-1-thread-1] parser.CapacitySchedulerParser : Queue available capacity:…
MStikh
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