[SERVER-42478] Remove DB MODE_X locks from oplog application of create/createIndexes - MongoDB Jira

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Details

Type: Bug
Status: Closed
Priority: Major - P3
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 4.2.1, 4.3.1
Component/s: Concurrency, Replication
Labels:
- KS

Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Backport Requested:

v4.2
Steps To Reproduce:

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Found by code inspection, no reproducer yet.

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Found by code inspection, no reproducer yet.
Sprint:
Execution Team 2019-09-09, Execution Team 2019-09-23

Description

In oplog application, there are still places (here and here) where we take MODE_X database locks. This could affect secondary read performance in presence of DDL operations on other collections in the same database.

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Issue Links

is related to

SERVER-53846 Clarify locking requirements in createCollectionForApplyOps

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People

Assignee:: Daniel Gottlieb

Reporter:: Geert Bosch

Participants:: Daniel Gottlieb, Geert Bosch, Githook User, Judah Schvimer

Votes:: 0 Vote for this issue

Watchers:: 9 Start watching this issue

Dates

Created:: Jul 29 2019 07:22:38 PM UTC

Updated:: Jan 15 2021 10:44:09 PM UTC

Resolved:: Sep 16 2019 06:36:49 PM UTC