XACK for acknowledging messages in Redis - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to acknowledge a message in a Redis stream consumer group.

Redis

XACK mystream mygroup [1]

Drag options to blanks, or click blank then click option'

Amyconsumer

B0-0

C1526985058136-0

Dmystream

Attempts:

3 left

💡 Hint

Common Mistakes

Using the consumer name instead of the message ID.

Using the stream name as the message ID.

Using '0-0' which is not a valid message ID.

The XACK command requires the stream name, the consumer group name, and the message ID to acknowledge the message. Here, the message ID is 1526985058136-0.

2fill in blank

medium

Complete the code to acknowledge multiple messages in a Redis stream consumer group.

Redis

XACK mystream mygroup [1] [2]

Drag options to blanks, or click blank then click option'

A1526985058136-0

B1526985058137-0

Cmyconsumer

Dmystream

Attempts:

3 left

💡 Hint

Common Mistakes

Using consumer or stream names instead of message IDs.

Providing only one message ID when multiple are needed.

You can acknowledge multiple messages by listing their IDs after the stream and group names. Here, two message IDs are acknowledged.

3fill in blank

hard

Fix the error in the code to correctly acknowledge a message in Redis.

Redis

XACK [1] mygroup 1526985058136-0

Drag options to blanks, or click blank then click option'

Amyconsumer

B1526985058136-0

Cmygroup

Dmystream

Attempts:

3 left

💡 Hint

Common Mistakes

Using the consumer name instead of the stream name.

Swapping the group name and stream name.

The first argument after XACK must be the stream name. Here, mystream is the correct stream name.

4fill in blank

hard

Fill both blanks to acknowledge two messages from a Redis stream consumer group.

Redis

XACK [1] [2] 1526985058136-0 1526985058137-0

Drag options to blanks, or click blank then click option'

Amystream

Bmygroup

Cmyconsumer

Dothergroup

Attempts:

3 left

💡 Hint

Common Mistakes

Using consumer name instead of group name.

Swapping stream and group names.

The first blank is the stream name, and the second blank is the consumer group name. Both are required before listing message IDs.

5fill in blank

hard

Fill all three blanks to acknowledge a message in Redis with correct stream, group, and message ID.

Redis

XACK [1] [2] [3]

Drag options to blanks, or click blank then click option'

Amystream

Bmygroup

C1526985058136-0

Dmyconsumer

Attempts:

3 left

💡 Hint

Common Mistakes

Including the consumer name as an argument.

Swapping the order of stream and group names.

The XACK command requires the stream name, the consumer group name, and the message ID to acknowledge the message properly.