Viewing Stream Information
Explains how to view stream information including stream properties, topics, and replication settings using the Control System and the CLI.
Viewing Stream Information Using the Control System
About this task
To view stream information:
Procedure
-
Log in to the Control System and click
.NOTEThis option is not available in the Kubernetes version of the Control System.
-
Locate the stream (by searching or browsing
the volumes or by entering the full path to the stream) and click
on the stream name.
The stream information page displays the following tabs:
- Summary
- Topics
- Replication
The Summary tab displays:- The active and recent alarms in the Alarms pane.
- The stream settings and permissions in the Detail pane.
Retrieving Stream Information Using the CLI or REST API
About this task
The basic command to retrieve stream information is:
maprcli stream info -path <Stream Path>
To run this command, your user ID must have the following permissions:
readAce
on the volumelookupdir
on directories in the path-
adminperm
- When a user with this permission runs the command, the output includes the
access-control expressions for the
adminperm
andtopicperm
permissions. produceperm
,consumeperm
, ortopicperm
- When a user with one of these permissions runs the command, the output does not include any access-control expressions.
For complete reference information, see
stream info
.