[SERVER-3634] improve not in mem yielding hash function Created: 17/Aug/11  Updated: 06/Dec/22  Resolved: 16/Nov/16

Status: Closed
Project: Core Server
Component/s: Concurrency
Affects Version/s: None
Fix Version/s: None

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

Issue Links:
Related
is related to SERVER-2563 When hitting disk, yield lock - phase 1 Closed
Assigned Teams:
Storage Execution
Participants:

 Description   

See QA-10

5) I think the hash function in record.cpp can in some cases result in nearby memory locations hashing to nearby buckets - for example I think if the hash product for the most significant 48 bits mod 2^16 is a decently high power of 2.


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