Viewing the List of Change Logs

You can view the list of change logs using MCS and the CLI.

Viewing the List of Change Logs Using the MapR Control System

Log in to MCS and go to the Change Data Capture tab in the table information page.
For each change log, the page displays the following:
Column Name Column Description
Edit Change Log Shortcut to the Edit Change Log window for editing a change log.
Paused Specifies whether the change propagation is paused for the associated change log.
Destination Cluster Specifies the destination cluster on which the stream exists.
Destination Stream Topic Name Specifies the name of the stream associated with the change log.
Up to Date Specifies whether (Yes) or not (No) the change log is up to date. If value is No, hover the cursor over the value to see the number of pending bytes, puts, and buckets.
Errors Indicates whether there were any errors during change propagation.
Compression Type The type of compression for data transfer between MapR Filesystem and gateway for the associated change data log instance
Synchronous Specifies whether client writes to the table should be acknowledged before the CDC gateway receives the data.
Throttle Specifies whether data transfer to the stream for the associated change data log is throttled.
Encrypted Specifies whether the data transfer between MapR Filesystem and gateway for the associated change data log is encrypted.
Field Path Specifies whether only specific field paths are being published to the stream topic.

Retrieving the List of Change Logs Using the CLI or REST API

The basic command to retrieve the list of change data logs is:

maprcli table changelog list

For complete reference, see table changelog list.