[CASSANDRA-14082] Do not expose compaction strategy index publicly

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 3.11.2, 4.0-alpha1, 4.0
• Severity: Normal
• Assignee: Paulo Motta
• Reporter: Paulo Motta

Authors

Paulo Motta

Reviewers

Marcus Eriksson

• Created: 30/Nov/17 13:22
• Updated: 15/May/20 08:01
• Resolved: 26/Dec/17 12:55

Description

Before CASSANDRA-13215 we used the compaction strategy index to decide which disk to place a given sstable, but now we can get this directly from the disk boundary manager and keep the compaction strategy index internal only.

This will ensure external consumers will use a consistent DiskBoundaries object to perform operations on multiple disks, rather than risking getting inconsistent indexes if the compaction strategy indexes change between successive calls to CSM.getCompactionStrategyIndex.

Issue Links

• Dependent: CASSANDRA-13948 Reload compaction strategies when JBOD disk boundary changes