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The CrateDB Admin UI¶
CrateDB ships with a web administration user interface (or Admin UI).
The CrateDB Admin UI runs on every CrateDB node. You can use it to inspect and interact with the whole CrateDB cluster in a number of ways.
See also
The CrateDB Admin UI is an open source project and is hosted on GitHub.
Table of contents
Connecting¶
You can access the Admin UI via HTTP on port 4200:
http://HOSTNAME:4200/
Replace HOSTNAME with the hostname of the CrateDB node. If CrateDB is
running locally, this will be localhost.
Navigate to this URL in a web browser.
Tip
If you access port 4200 via a client library or command-line tool
like curl or wget, the request will be handled by the CrateDB
Rest API, and the response will be in JSON.
Navigating¶
This is what the Admin UI looks like when it first loads:
Take note of the status bar (at the top) and the tabs (down the left side).
Status bar¶
Along the top of the screen, from left to right, the status bar shows:
CrateDB version
Number of nodes in the cluster
Health checks
Data status
Green – All data is replicated and available
Yellow – Some records are unreplicated
Red – Some data is unavailable
Cluster status:
Green – Good configuration
Yellow – Some configuration warnings
Red – Some configuration errors
Average cluster load (for the past 1 minute, 5 minutes, and 15 minutes)
Settings and notifications menu