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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 8.2.0-rc0
Affects Version/s: None
Component/s: None
Labels:
- auto-reverted

Assigned Teams:

Cluster Scalability
Backwards Compatibility:
Fully Compatible
Linked BF Score:
0
Confidence Status:
None
Work Order:
3
Size Category:
TBD
CAR Domain/s:
None

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

We want the MirrorMaestro to be able to send out reads to hosts with a given tag. These "targeted" reads will have a separate sampling rate and maxTimeMS timeout. We will also want to add some new stats for targeted reads. See here for more details.

depends on

SERVER-104845 Update the mirrorReads server parameter with a targeted mirroring field

Closed

SERVER-104847 Update MirroringSampler to support sampling for targeted mirrors

Closed

SERVER-104848 Update the TopologyVersionObserver to compute and cache a targeted host list

Closed

is depended on by

SERVER-104850 Write unit tests for targeted mirrored reads

Closed

SERVER-104851 Write T2 tooltip for targeted mirroring stats

Closed

related to

SERVER-79660 use mirrored reads to warm hidden nodes

Closed

(1 related to)

Assignee:: Janna Golden
Reporter:: Joseph Prince
Participants:: Githook User, Janna Golden, Joseph Prince, Mothra Jira Bot
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: May 07 2025 03:10:16 PM UTC
Updated:: Jul 18 2025 10:57:55 PM UTC
Resolved:: Jul 02 2025 07:08:23 PM UTC
Confidence Status Last Update:: 02/Jul/25 7:08 PM

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