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Type: Improvement
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 8.1.0-rc0, 8.0.0-rc5
Affects Version/s: None
Component/s: None
Labels:
- pm-412-followup

Assigned Teams:

Query Execution
Backwards Compatibility:
Fully Compatible
Backport Requested:

v8.0
Sprint:
QE 2024-04-29, QE 2024-05-13
Confidence Status:
None
Work Order:
3
CAR Domain/s:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name(s):
None
Goal Link:
None

Query settings are very rarely written, thus replacing Lock::ResourceMutex with reader-optimized synchronization mechanism in QuerySettingsManager may reduce the query settings lookup inter-thread synchronization overhead. There are a few mechanisms being developed - ~~SERVER-86656~~, SERVER-86657.

depends on

SERVER-86657 Create a reader-optimized deferred reclamation primitive (hazard pointers)

Backlog

SERVER-86656 Create a reader-optimized reader-writer mutex

Closed

Assignee:: Mindaugas Malinauskas
Reporter:: Mindaugas Malinauskas
Participants:: Githook User, Mindaugas Malinauskas
Votes:: 0 Vote for this issue
Watchers:: 4 Start watching this issue

Created:: Feb 22 2024 05:09:40 PM UTC
Updated:: May 08 2024 09:42:13 AM UTC
Resolved:: May 06 2024 01:42:05 PM UTC
Confidence Status Last Update:: 25/Apr/24 1:55 PM

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