Tellius
  • 🚩Getting Started
    • 👋Say Hello to Tellius
      • Glossary
      • Tellius 101
      • Navigating around Tellius
    • ⚡Quick Start Guides
      • Search
      • Vizpads (Explore)
      • Insights (Discover)
    • ✅Best Practices
      • Search
      • Vizpads (Explore)
      • Insights (Discover)
      • Predict
      • Data
    • ⬇️Initial Setup
      • Tellius architecture
      • System requirements
      • Installation steps for Tellius
      • Customizing Tellius
    • Universal Search
    • 🏠Tellius Home Page
    • ❓FAQs
      • Kaiya Conversational AI
      • Data Preparation FAQs
      • Environment FAQs
      • Search FAQs
      • Vizpads FAQs
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      • Embedding FAQs
      • Insights FAQs
  • Kaiya
    • ♟️Understanding AI Agents & Agentic Flows
      • Glossary
      • Composer
      • 🗝️Triggering an agentic workflow
      • The art of possible
      • Setting up LLM for Kaiya
    • 🤹Kaiya conversational AI
      • Triggering Insights with "Why" questions
      • Mastering Kaiya conversational AI
      • 📒Kaiya Learnings
      • Kaiya Terms of Service
  • 🔍Search
    • 👋Get familiar with our Search interface
    • 🤔Understanding Tellius Search
    • 📍Search Guide
    • 🚀Executing a search query
      • Selecting a Business View
      • Typing a search query
      • Constructing effective search queries
      • Marketshare queries
    • 🔑Analyzing search results
      • Understanding search results
      • Search Inspector
      • Time taken to execute a query
      • Interacting with the resulting chart
    • 📊Know your charts in Tellius
      • Understanding Tellius charts
      • Variations of a chart type
      • Building charts from Configuration pane
      • List of chart-specific fields
      • Adding columns to fields in Configuration pane
      • Absolute and percentage change aggregations
      • Requirements of charts
      • Switching to another chart
      • Formatting charts
      • Advanced Analytics
      • Cumulative line chart
    • 🧑‍🏫Help Tellius learn
    • 🕵️‍♂️Search history
    • 🎙️Voice-driven search
    • 🔴Live Query mode
  • 📈Vizpads (Explore)
    • 🙋Meet Vizpads!
    • 👋Get familiar with our Vizpads
    • #️⃣Measures, dimensions, date columns
    • ✨Creating Vizpads
    • 🌐Applying global filters
      • Filters in multi-BV Vizpads
      • Filters using common columns
    • 📌Applying local filters
    • 📅Date picker in filters
      • Customizing the calendar view
    • ✅Control filters
      • Multi-select list
      • Single-select list
      • Range slider
      • Dropdown list
    • 👁️Actions in View mode
      • Interacting with the charts
    • 📝Actions in Edit mode
      • 🗨️Viz-level actions
    • 🔧Anomaly management for line charts
      • Instance level
      • Vizpad level
      • Chart level
    • ⏳Time taken to load a chart
      • Instance level
      • Vizpad level
      • Chart level
    • ♟️Working with sample datasets
    • 🔁Swapping Business View of charts
      • Swapping only the current Vizpad
      • Swapping multiple objects
      • Configuring the time of swap
    • 🤖Explainable AI charts
  • 💡Insights (Discover)
    • 👋Get familiar with our Insights
    • ❓Understanding the types of Insights
    • 🕵️‍♂️Discovery Insights
      • Impact Calculation for Top Contributors
    • ➕How to create new Insights
      • 🔛Creating Discovery Insight
      • 🔑Creating Key Driver Insights
      • 〰️Creating Trend Insights
      • 👯Creating Comparison Insights
    • 🧮The art of selecting columns for Insights
      • ➡️How to include/exclude columns?
  • 🔢Data
    • 👋Get familiar with our Data module
    • 🥂Connect
    • 🪹Create new datasource
      • Connecting to Oracle database
      • Connecting to MySQL database
      • Connecting to MS SQL database
      • Connecting to Postgres SQL database
      • Connecting to Teradata
      • Connecting to Redshift
      • Connecting to Hive
      • Connecting to Azure Blob Storage
      • Connecting to Spark SQL
      • Connecting to generic JDBC
      • Connecting to Salesforce
      • Connecting to Google cloud SQL
        • Connecting to a PostgreSQL cloud SQL instance
        • Connecting to an MSSQL cloud SQL instance
        • Connecting to a MySQL Cloud SQL Instance
      • Connecting to Amazon S3
      • Connecting to Google BigQuery
        • Steps to connect to a Google BigQuery database
      • Connecting to Snowflake
        • OAuth support for Snowflake
        • Integrating Snowflake with Azure AD via OAuth
        • Integrating Snowflake with Okta via OAuth
        • Azure PrivateLink
        • AWS PrivateLink
        • Best practices
      • Connecting to Databricks
      • Connecting to Databricks Delta Lake
      • Connecting to an AlloyDB Cluster
      • Connecting to HDFS
      • Connecting to Looker SQL Interface
      • Loading Excel sheets
      • 🚧Understanding partitioning your data
    • ⏳Time-to-Live (TTL) and Caching
    • 🌷Refreshing a datasource
    • 🪺Managing your datasets
      • Swapping datasources
    • 🐣Preparing your datasets
      • 🤾Actions that can be done on a dataset
      • Data Pipeline
      • SQL code snippets
      • ✍️Writeback window
      • 🧩Editing Prepare → Data
      • Handling null or mismatched values
      • Metadata view
      • List of icons and their actions
        • Functions
        • SQL Transform
        • Python Transform
        • Standard Aggregation
        • Creating Hierarchies
      • Dataset Scripting
      • Fusioning your datasets
      • Scheduling refresh for datasets
    • 🐥Preparing your Business Views
      • 🌟Create a new Business View
      • Creating calculated columns
      • Creating dynamic parameters
      • Scheduling refresh for Business Views
      • Setting up custom calendars
    • Tellius Engine: Comparison of In-Memory vs. Live Mode
    • User roles and permissions
  • Feed
    • 📩What is a Feed in Tellius?
    • ❗Alerts on the detection of anomalies
    • 📥Viewing and deleting metrics
    • 🖲️Track a new metric
  • Assistant
    • 💁Introducing Tellius Assistant
    • 🎤Voice-based Assistant
    • 💬Interacting with Assistant
    • ↖️Selecting Business View
  • Embedding Tellius
    • What you should know before embedding
    • Embedding URL
      • 📊Embedding Vizpads
        • Apply and delete filters
        • Vizpad-related actionTypes
        • Edit, save, and share a Vizpad
        • Keep, remove, drill sections
        • Adding a Viz to a Vizpad
        • Row-level policy filters
      • 💡Embedding Insights
        • Creating and Viewing Insights
      • 🔎Embedding Search
        • Search query execution
      • Embedding Assistant
      • 🪄Embedding Kaiya
      • Embedding Feed
  • API
    • Insights APIs
    • Search APIs
    • Authentication API (Login API)
  • ✨What's New
    • Release 5.4
      • Patches 5.4.0.1 to 5.4.0.4
      • Patch 5.4.0.5
      • Patch 5.4.1
    • Release 5.3
      • Patch 5.3.1
      • Patch 5.3.2
      • Patch 5.3.3
    • Release 5.2
      • Patch 5.2.1
      • Patch 5.2.2
    • Release 5.1
      • Patch 5.1.1
      • Patch 5.1.2
      • Patch 5.1.3
    • Release 5.0
      • Patch 5.0.1
      • Patch 5.0.2
      • Patch 5.0.3
      • Patch 5.0.4
      • Patch 5.0.5
    • Release 4.3 (Fall 2023)
      • Patch 4.3.1
      • Patch 4.3.2
      • Patch 4.3.3
      • Patch 4.3.4
    • Release 4.2
      • Patch 4.2.1
      • Patch 4.2.2
      • Patch 4.2.3
      • Patch 4.2.4
      • Patch 4.2.5
      • Patch 4.2.6
      • Patch 4.2.7
    • Release 4.1
      • Patch 4.1.1
      • Patch 4.1.2
      • Patch 4.1.3
      • Patch 4.1.4
      • Patch 4.1.5
    • Release 4.0
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On this page
  • In-memory mode
  • Live mode
  • Key considerations
  • Functionality breakdown

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  1. Data

Tellius Engine: Comparison of In-Memory vs. Live Mode

Tellius offers two distinct modes for data querying and execution—In-memory mode and Live mode. Each mode is designed to optimize different types of queries and provide flexibility in how data is processed. Understanding the capabilities of these two modes is critical when working with large datasets or real-time analytics.

This document provides a detailed comparison between the In-memory mode and Live mode, with emphasis on how they interact with various functionalities of the Tellius engine. The table below outlines which features each mode supports and offers additional context on where each mode excels.

In-memory mode

In-memory mode loads data into the Tellius engine’s memory for processing, which allows for faster performance in most cases. This mode is ideal when working with cached or pre-aggregated data. It's especially useful for complex data analysis, machine learning (ML) tasks, and data transformations since all relevant data is held within Tellius for quick access.

Live mode

Live mode, on the other hand, executes queries directly against your data sources without requiring data to be ingested into Tellius beforehand. This mode provides real-time data access but comes with limitations, especially when dealing with transformations, ML-based analytics, or actions that require reading large amounts of raw data into the system. Live mode ensures you always work with the most current data, but complex operations that require substantial data processing are best done in-memory.

Key considerations

As a general rule, any functionality that relies on machine learning models or data transformations is only available in in-memory mode. This is because these operations require reading raw data into Tellius for analysis, which live mode does not support.

  • Live mode excels when real-time data access is essential. It allows users to run queries directly on the source, ensuring the data is always up-to-date. However, this comes at the cost of speed and complexity, especially when dealing with machine learning tasks or extensive data transformations.

  • In-memory mode provides better performance for complex queries since data is already ingested and processed. Live mode offers real-time insights but is limited in handling computationally intensive tasks.

Functionality breakdown

Module
Functionality
In-Memory
Live
Description

Search

Natural Language Search

✔

✔

Kaiya’s query optimization engine efficiently handles both in-memory and live queries.

Assistant

✔

✔

Assistant works efficiently in both modes, leveraging cached data in-memory or real-time queries in live mode.

Kaiya Search

✔

✔

Kaiya Search supports in-memory and live queries, adjusting to the most optimal execution path.

Explore (Vizpads)

All Vizpads functionalities

✔

✔

Both modes fully support interactive data exploration using Vizpads, with faster responses in in-memory mode.

Discover (Insights)

Segment Driver

✔

✘

Segment Driver uses ML models that require raw data ingestion, making it available only in in-memory mode.

Trend Driver

✔

✔

Allows for real-time analysis and trends without needing ML-based transformations.

Trend Driver (with Segments)

✔

✘

Trend analysis with segments requires raw data transformations, available only in in-memory mode.

Comparison Driver

✔

✔

Enables comparative insights across datasets without requiring in-depth ML-based processing.

Comparison Driver (with Segments)

✔

✘

Requires ML processing, available only in in-memory mode.

Data Preparation

Data Load

✔

✔

Data can be loaded into Tellius in both modes, though live mode operates on real-time data without caching.

Dataset Metadata Management

✔

✔

Both modes allow metadata management, irrespective of data being cached or accessed live.

Business View Creation

✔

✔

Users can create Business Views without needing extensive transformations.

Data Transformation

✔

✘

Transformations need the raw data to be read into Tellius, so this is only supported in in-memory mode.

Feed

All Feed functionalities

✔

✔

Feeds are available in both modes, though underlying transformations will only work in in-memory mode.

Predict (ML)

Point n Click

✔

✘

ML models require raw data processing, only available in in-memory mode.

Auto ML

✔

✘

Auto ML requires training on raw data, making it supported only in in-memory mode.

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Last updated 5 months ago

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