Alteryx Architecture

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Alteryx Overview
Overview
Data Blending, enrichment and Advanced analytical tools specifically cater to Business Analyst.
Self-Service data analytics.
Prep, blend and analyze all data to deploy and share deeper insights in hours
http://www.alteryx.com/techspecs#data-sources
Alteryx is an American computer software company based out of Irvine, California, with a development center in
Broomfield, Colorado. The company's products are used for data blending and advanced data analytics. Alteryx has a
stated goal of enabling advanced analytics to be performed by non-specialists.

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Alteryx Architecture
The Alteryx Analytics platform offers two deployment options: Alteryx Designer and Alteryx
Server.
 Alteryx Designer provides business analysts the ability to create repeatable workflow
processes for accessing and blending data and performing advanced analytics (such as
predictive, spatial, and statistical). Alteryx Designer includes Designer and Engine
components and a local version of the Service.
 Alteryx Server provides a comprehensive and scalable server-based analytics solution
that provides end users and business decision makers the ability to share and run
analytic applications in a web-based environment. It also gives users of Alteryx Designer
the ability to schedule their workflows to run at specific times. In addition to Designer and
Engine components, the Alteryx Server includes Service and Gallery components.

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Alteryx Designer
 Alteryx Designer is a Windows software application that provides an intuitive drag-and drop user
interface for users to create repeatable workflow processes. Users can drag tools from a toolbox onto a
canvas, connect them together, and edit their properties to create Alteryx workflows, apps, and macros.
Users can use these workflows to blend and enrich data from a range of sources, perform advanced
analytics, and quickly produce results that can be easily shared with others.
 The unique drag-and-drop workspace within Alteryx allows users to run workflows as they are being
developed in order to instantly access and process data. This allows for continuous enhancements and
refinements to the workflow and data results. Additionally, users can view data anywhere within a
created workflow stream as a table, map, graph, or other visual representation.
 Alteryx Designer is written mostly in C# and executes the workflows through a local instance of the
Alteryx Engine.
 In an Alteryx Server deployment, the Scheduler interface component within Alteryx Designer allows
users to schedule workflows to be executed at predetermined times or specific recurring intervals. The
Scheduler then communicates with the Alteryx Service where jobs are queued for execution at the
appropriate time.
 Additionally, users may use Alteryx Designer to publish their workflows, apps, and macros to the
Alteryx Analytics Gallery where others can have access to running or downloading them.

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Alteryx Engine
 The Alteryx Engine, which is written in C++, executes the workflows that are built in the Alteryx
Designer and produces the output. The Engine supports direct connections to various data sources for
accessing the data and then processes it in-memory during the execution of the workflow. Processing
that exceeds memory limitations is written to temp files on disk, which are deleted once the processing
is complete. The Engine can be entirely self-contained in an Alteryx Designer deployment, scaled
across an organization via the Alteryx Server, or deployed in the cloud via the Alteryx Analytics Gallery.
 Depending on the workflow and process, the Alteryx Engine may:
 Read or write to input/output files.
 Read or write to one or more databases.
 Upload or download data from the web.
 Submit email to an email server through SMTP
 Execute external runtime commands.
 The Alteryx Engine seamlessly integrates with R.
When users choose to install the suite of
R-based tools and macros used for predictive analysis,
Alteryx also installs the R program
and the additional packages that provide connectivity
between Alteryx and R and are required for the tools
and macros to work. Users can use R scripts or the
R-based macros to process data directly within a
workflow. When the workflow is run, the Alteryx Engine
communicates with the R engine via a command line
executable to process and send back the data.

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Alteryx Service : Controller and Worker
 The Alteryx Service allows the Alteryx Engine to be deployed across multiple servers, providing a
highly scalable architecture for the scheduling, management, and execution of analytic workflows. The
Alteryx Service, which is written in C++ with some C# wrappers, can be deployed across multiple
servers by using a Controller-Worker architecture. This means one server acts as the Controller and
manages the job queue, and the others act as the Workers and perform the work. The Service relies
upon the Service Persistence tier to store information critical to the functioning of the Service, such as
Alteryx application files, the job queue, and result data. The Service also serves content and
information to the Gallery when it requests it.
 Alteryx Service Controller:
The Alteryx Service Controller acts as an orchestrator of workflow executions and is responsible for
the management of the service settings and the delegation of work to the Alteryx Service Workers.
The Controller receives jobs from the Scheduler, looks at them within the persistence layer where it
maintains all of the queued jobs, and delegate jobs to the Workers. If Alteryx is deployed across
multiple servers, only one machine may be enabled as a Controller.
 Alteryx Service Worker:
The Alteryx Service Worker contains an instance of the Engine and is responsible for executing the
workflows. Once the Controller delegates a job to the Worker, the Worker runs it and produces the
output. There must be at least one machine enabled as a Worker in order to execute applications
through the Service. You may configure the same machine to be both the Controller and a Worker or
they can be configured on separate machines. The actual number of Workers needed will depend
upon the required performance for the system. If the Worker is not the same machine as the
Controller, then the connection information for the Controller, which includes the Controller’s name or
IP address and the unique security token for that Controller, must be specified in order for the
Worker and Controller to communicate with each other.

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Alteryx Scheduler and Alteryx Service Persistence
 Alteryx Scheduler:
The Alteryx Scheduler is the component that provides the ability for a user to schedule
the execution of workflows developed within the Designer, either on a recurring basis or
at a specific time in the future. The Scheduler interface component, which is written in C#,
is accessed via the Designer and is used to specify the date, time, and frequency for
running a workflow. The Scheduler then communicates with the Alteryx Service
Controller, which manages the job queue. In an Alteryx Server deployment, the Scheduler
interface can be set up to communicate with the Controller on the same machine, or it
can be configured to connect to a remote Controller so that workflows are processed on
a different machine.
 Alteryx Service Persistence:
The Alteryx Service includes a persistence layer that it uses to store information critical to
the functioning of the service, such as Alteryx application files, the job queue, and result
data. The Service supports two different mechanisms for persistence: SQLite and
MongoDB. For lightweight and local deployments, SQLite is adequate for most scheduling
needs. For heavier usage, or if the Alteryx Gallery is deployed, MongoDB must be used.
If MongoDB is used, you can elect to either use the embedded MongoDB support native to
the Alteryx Service or connect the Service to your own implementation of MongoDB.
It is highly recommended that you provide an automated backup system for whatever
persistence mechanism you choose.

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Alteryx Quality of Service
 Quality of Service:
The Quality of Service (QoS) setting is used to manage resource allocation in an environment where
multiple Workers are deployed by restricting which jobs will be run by each Worker. For normal operation
with one machine configured as a worker, the QoS value should be set to 0. The QoS value for a Worker
can be set higher for specific types of jobs to allow the Worker resource to be reserved for higher priority
requests.
For example, the default QoS settings in the Alteryx Gallery are:
– Normal workflow execution: QoS = 0
– Chained application execution: QoS = 4 (all apps in the chain aside from the last)
– Workflow validation requests: QoS = 6
When a job request is handled by a Worker, it will compare the QoS value of the job to the Minimum QoS
Priority for the Worker. Only jobs that have a value greater than or equal to the Minimum QoS Priority for
the Worker will be handled by that Worker. For instance, if a Worker has a Minimum QoS of 0 (the default
value) that worker will handle any requests if it is available. However, a Worker with a Minimum QoS of 5
will only handle jobs that have a QoS of 5 or higher. This allows resources to be reserved
for higher priority requests.

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Alteryx Gallery
 The Alteryx Gallery is a cloud- or self-hosted application for publishing, sharing, and executing
workflows. Additionally, an Alteryx Server deployment allows companies the ability to offer a private
Gallery to their internal users hosted on their own server infrastructure.
 The Gallery user interface, which is written in Javascript, HTML5, and CSS3, communicates with the
Gallery server component via HTTP requests using a REST API, which is a JSON transport protocol.
The Gallery web server is written in C# and WCF (Windows Communication Foundation) and handles
all the backend logic for what is displayed within the Gallery. WCF receives the HTTP requests and
sends them to the server to handle the logic. The server then communicates directly with the MongoDB
for handling its persistence, including information such as: the users who have registered with the
system, the collections that exist, and the workflows that are in those collections.
 The Gallery server also communicates with the Alteryx Service for the management and execution of
the workflows. When someone requests a workflow to be executed the Gallery server communicates
with the service layer to execute that workflow and then retrieve the output.
 Alteryx supports a REST API for the Gallery which developers can use to interact with a private Gallery
or the Alteryx Analytics Gallery when creating custom interfaces for running apps.

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Alteryx Architecture

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Alteryx Gallery Architecture

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Security
An Alteryx Server deployment that includes a private Gallery uses three main communication
protocols:
 Communication between a web browser and the Gallery uses standard HTTP (via port 80). The Server
also supports SSL encryption and can be configured to use HTTPs (via port 443). Passwords used
when logging in to the Gallery are encrypted using BCrypt and never sent or stored in clear text.
 Communication between a machine that is configured as the Controller and machines that have the
Designer, Gallery, or Worker enabled also occurs over HTTP with RC4 encryption that uses the
Controller token as the shared secret. The token is auto-generated and encrypted per-machine using
the Windows Crypto API.
 Communication between the Service Layer components and the MongoDB persistence layer occurs
over TCP/IP (via port 27018). For embedded MongoDB the host, username, and password are
automatically generated and the password is encrypted as well. Alteryx also supports SSL for
encrypting data when communicating with a user-managed implementation of MongoDB.

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Security
Alteryx Server supports two types of authentication
To establish a user’s identity and prevent unauthorized access to the Gallery: Built-in Authentication,
Windows Authentication; and if you are accessing the Gallery via the API you can authenticate with OAuth
1.0A.
 Built-in Authentication requires an email address and password for each user to sign in. User
registration information and log-in passwords are encrypted and never sent or stored in clear text.
 Integrated Windows Authentication allows users to gain access to the Gallery via their network or
Windows user credentials. Instead of storing the password and network credentials of users, Alteryx
refers to them via an SID within the Active Directory.
 Alteryx also supports a Gallery REST API which uses OAuth 1.0A via a key and secret for
authentication. The key and secret are used only for accessing the API and not for logging in to the
Gallery.
With Alteryx Server, authorization for what a user can access and do once authenticated
is managed by licensing and user roles and permissions.
 Users must first purchase a license and then activate that license to enable or “unlock” functionality and
use Alteryx software, tools, and data. License seats can be shared with other users via a license key.
 Users can be permissioned for roles that govern what they can and cannot do within the Gallery, such
as publish, run, and share workflows, or administer the site itself.
 Access to data assets is governed by the database or network permissions that are setup by a
company’s IT department at the local level drive.

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Deployment
Factors influencing deployment
 Analytics processing goals
 Machine specifications
 Number of users and their needs
 Automation required to service jobs,
 Access to APIs and SDKs
 Volume of data to be processed.
Handling Increase in Workflow Execution Request

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Deployment
Allowing More Users to create workflows

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Deployment
Handling Increased Load on Gallery

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Deployment
Data backup and Reliability

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Performance and Scaling Considerations
The following image provides guidelines for determining the total number of Workers that may be needed,
based on the total number of simultaneous users and the average amount of time it takes for a workflow
to execute

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System Settings and Parameters
Demo on Server
http://downloads.alteryx.com/Documentation/Alteryx%20Server%20Installation%20Guide.pdf

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Alteryx Process, Introduction and Publication to Gallery
Demo on Server

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Alteryx Apps
https://www.youtube.com/watch?v=O6RPcRUpXU8

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Alteryx Designer Tools
http://www.alteryx.com/alteryx-designer-tools
http://www.alteryx.com/sites/default/files/alteryx-tools-sheet-v10.5.pdf

 25 
Tips and Tricks, Community, Knowledge Base
https://www.youtube.com/watch?v=DJwgYYP_xlA
http://community.alteryx.com/t5/Alteryx-Knowledge-Base/tkb-p/knowledgebase
http://help.alteryx.com/10.5/index.htm#In-DatabaseOverview.htm%3FTocPath%3D_____4
http://help.alteryx.com/10.5/index.htm

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