[SERVER-54443] Wildcard indexes should ignore wiredTigerGlobalOptions.useIndexPrefixCompression option Created: 10/Feb/21  Updated: 06/Dec/22

Status: Backlog
Project: Core Server
Component/s: Storage
Affects Version/s: None
Fix Version/s: None

Type: Improvement Priority: Major - P3
Reporter: Mathias Stearn Assignee: Backlog - Storage Execution Team
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Assigned Teams:
Storage Execution
Participants:

 Description   

I think we basically always want prefix compression for wildcard indexes, even in cases where users may want it disabled for other indexes. As a simple fix, https://github.com/mongodb/mongo/blob/7d5cf026105db1693724db155b4f409b267ab352/src/mongo/db/storage/wiredtiger/wiredtiger_index.cpp#L171-L173 should check desc.getIndexType() == INDEX_WILDCARD.



 Comments   
Comment by Connie Chen [ 22/Mar/21 ]

redbeard0531 Are there any situations where users should disable prefix compression at all?

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