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changes.mady.by.user NIDHI BHANDARI

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changes.mady.by.user Sarabjeet Kaur

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  1. Add Kyvos Analytical Store Jar in classpath.

  2. Set the value of ENABLE_KYVOS_ANALYTICAL_STORE property as Yes.

  3. Set the value of ELASTIC_DEPLOYMENT as Disable.

  4. Set the value of kyvos.cuboid.replication.type property as Local on the semantic model.

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Aura tab collection
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Aura tab
summaryKyvos versions up to 2024.1
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  1. Login to Kyvos Manager and navigate to Properties > queryengine.properties.

  2. In the queryengine.properties, search for the DS_CONNECTION_CONF property.

    • The default value will be blank. 

    • Set this value as SET memory_limit='10GB'; SET THREADS to 1; and then save it. 

  3. Restart the Query Engine services from the Kyvos Manager dashboard.

For memory configuration, perform the following post-deployment steps.

  1. Open the Kyvos Java options page in Kyvos Manager and navigate to the Query Engine section. 

  2. If Configure Heap memory for Query Engine is set as Auto, no change is required. 

  3. If Configure Heap memory for Query Engine is set as Manual, reduce Off-Heap memory by 10 GB. 
    For Example, Suppose the total machine memory is 128 GB, whereas 45 GB is assigned to Heap, and 66 GB is assigned to Off-Heap. In that case, you need to set Heap as 45 GB and Off-Heap as 56 GB so Kyvos can use the remaining 10 GB internally for the new data store-based architecture. 

Aura tab
summaryKyvos 2024.1.1 onwards
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Panel
panelIconIdatlassian-note
panelIcon:note:
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Before enabling Kyvos Analytical Store, ensure that Query Engine cluster is running with the required (Full, high, moderate, or Low) capacity, and disable cluster scaling. For this, set the value of ELASTIC_DEPLOYMENT should be set as Disable.

  1. Login to Kyvos Manager and navigate to Properties > global.properties.

  2. Set the value of ENABLE_KYVOS_ANALYTICAL_STORE property as Yes.

  3. Restart all Kyvos services (BI Server, Query Engine, and Kyvos Web Portal) from the Kyvos Manager dashboard.

  4. Open the Kyvos Java options page in Kyvos Manager and navigate to the Query Engine section, and ensure that the Configure Heap memory for Query Engine is set as Auto. Kyvos will now automatically configure memory used for the Analytical Store.

Steps for Databricks 

You must change Spark configurations to use managed disk. Ensure that you must not change the configuration in the default root (/tmp) volume.

To change Spark configurations to use managed disk, perform the following steps.

  1. Databricks > Advance configuration > Spark

    • In the Spark Configurations, add the spark.local.dir /local_disk0 property where the local_disk0 is the managed disk.
      This can be verified using the df -h command from a notebook

  2. Add the SPARK_WORKER_DIR=/local_disk0 value in the Environment variables.