[CASSANDRA-16845] ArrayClustering.unsharedHeapSize does not include the data so undercounts the heap size

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0.1, 4.1-alpha1, 4.1
• Component/s: Local/Memtable
• Bug Category: Correctness - API / Semantic Implementation
• Severity: Normal
• Complexity: Low Hanging Fruit
• Discovered By: Unit Test
• Platform: All
• Since Version: 4.0.0

Source Control Link

https://github.com/apache/cassandra/commit/979ab72f4f2afe4a23654572cd804184fc0e2089

Test and Documentation Plan

unit tests

• Assignee: David Capwell
• Reporter: David Capwell

Authors

David Capwell

Reviewers

Blake Eggleston

• Created: 11/Aug/21 18:21
• Updated: 27/May/22 19:25
• Resolved: 11/Aug/21 20:26

Description

We have two methods: unsharedHeapSize and unsharedHeapSizeExcludingData; for ArrayClustering they are basically the same as unsharedHeapSize does not include the data, which is a regression.

Issue Links

• links to: Circle CI: 4.0
• links to: GH PR: 4.0