Topic Browser

This article covers the topic browser, which is one of the most important views of KaDeck.

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Topic Browser

The topic browser is where you can view topics, views, analyze records, and create new records. 

The topic browser page can be divided into three sections. These are from left to right: the topic list, the detail view (that is hidden if no record is selected), and the record list.

Read our other articles to learn more about views, how to search for records, use our Quick Processor to transform or filter data on the fly, and much more.

Topic List

After you have connected to a cluster on the cluster overview page, you will see the list of available topics on the left. If your cluster contains no topics, this list will be empty. By default, no system topics are displayed. You can view system topics by clicking on the triangle next to Topics and select "Show internal topics". 

Learn how to manage topics in KaDeck

Record List

Once you have selected a topic in the topic browser, the last 100 records of this topic are being displayed in the record list. You can choose to see more records by using the "limit menu bar" at the bottom of the record list.

Note that records from all partitions are being displayed. If you want to view records from only one specific partition, click the partition toggle switch in the filter/partition section below the main menu bar to switch all partitions off and toggle the partition of interest back on by clicking on it. This is a convenient way of activating just one partition if your topic contains multiple partitions.

KaDeck's auto-detection feature has tried to choose the right codec for your topic automatically. If you want to change the codec that is being used to decode the keys and values, click on the "Decoder" button in the main menu bar.

You can sort records by clicking on the column header: ascending, descending and no sorting.

Click on the record to open the detail view.

Detail View

The detail view displays detailed information about your record, the partition, topic, timestamp, header information, as well as key and value. 

If your record contains structured data such as JSON or Avro, you can click on a data attribute to open the data attribute bar (fig. 1) which lets you create a new filter for the attribute (lense symbol) or adding the attribute as a column to the record list (eye symbol, only on Professional/Enterprise Edition).

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