[KAFKA-13624] Add Metric for Store Cache Size

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Component/s: streams
• Labels: needs-kip
• Assignee: Sagar Rao
• Reporter: Sagar Rao
• Created: 28/Jan/22 02:10
• Updated: 15/Apr/22 16:16
• Resolved: 15/Apr/22 16:16

Description

KIP-770 introduced a new metric called `input-buffer-bytes-total` to track the total amount of bytes accumulated by a task. While working through it's PR, it was suggested to add a similar metric for cache-size-bytes-total to track the cache size in bytes for a task. 

Issue Links

• links to: KIP-818