Server Processes

Question 1

<p>What comes in Base Install</p>

Answer 1

<p>Coordination Service and Cluster Controller</p>

Question 2

<p>Coordination Service</p>

Answer 2

<p>Maintains that there is a quorum of nodes.</p>

Question 3

<p>Cluster Controller</p>

Answer 3

<p>Failover execution

| Takes action on Server health and availability issues</p>

Question 4

<p>Gateway</p>

Answer 4

<p>Receives HTTP request and directs them to appropriate service</p>

Question 5

<p>What processes are involved in the Application Server</p>

Answer 5

<p>VizPortal and API Server</p>

Question 6

<p>VizPortal</p>

Answer 6

<p>Handles the non-content UI of a Server
Handles authentication screens
Multi threaded
</p>

Question 7

<p>API Server</p>

Answer 7

<p>Handles all of the REST API calls</p>

Question 8

<p>Search &amp;amp; Browse</p>

Answer 8

<p>Queries metadata from TWBs and TDSs</p>

Question 9

<p>Repository</p>

Answer 9

<p>Stores metadata

This involves: TDS, permissions, projects, extract metadata, refresh info, groups, status vizzes

Active/Passive</p>

Question 10

<p>VizQL Server</p>

Answer 10

<p>Loads and renders views

Translates clicks and drags to SQL (live connection only)

Parallel Queries</p>

Question 11

<p>Data Server</p>

Answer 11

<p>Invoked when data source is published via Tableau Server

Serves as a proxy between requests for data and individual data sources

Maintains connections to data

Allows centralized driver deployment

Multiple worksheets can use the same data extract</p>

Question 12

<p>Data Engine</p>

Answer 12

<p>Queries the extracts

VizQL will attempt to query local node Data Engine first

Can decide how to optimize queries improving data processing</p>

Question 13

<p>File Store</p>

Answer 13

<p>Stores the extracts

Replicates extracts across nodes</p>

Question 14

<p>Cache Server</p>

Answer 14

<p>Acts as a shared cache across all Tableau Processes in cluster

Default cache server capacity is 512MB, but can add more instances of cache server for more capacity and throughput</p>

Question 15

<p>Backgrounder</p>

Answer 15

<p>Extract refreshes

Fufills subscriptions

CPU intensive

Single threaded</p>

Question 16

What processes are resource hogs?

Answer 16

VizQL
Backgrounder
Data Engine

Question 17

Which processes can be duplicated without having multiple machines?

Answer 17

VizQL
Backgrounded
App Server
Cache Server
Data Server
Data Engine