[SERVER-3634] improve not in mem yielding hash function Created: 17/Aug/11 Updated: 06/Dec/22 Resolved: 16/Nov/16 |
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| 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: |
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| Assigned Teams: |
Storage Execution
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| Description |
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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. |