[DOCS-11523] Docs for SERVER-34095: Restrict snapshot reads to multi-statement transactions Created: 03/Apr/18  Updated: 12/Apr/18  Resolved: 12/Apr/18

Status: Closed
Project: Documentation
Component/s: None
Affects Version/s: None
Fix Version/s: 3.7.4

Type: Task Priority: Major - P3
Reporter: Kay Kim (Inactive) Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
is duplicated by DOCS-11245 Docs for SERVER-32517: Parse readConc... Closed
Related
related to DOCS-11245 Docs for SERVER-32517: Parse readConc... Closed
Participants:
Days since reply: 5 years, 45 weeks, 2 days ago
Epic Link: DOCS: 4.0 Server

 Description   

Documentation Request Summary:

This patch restricts readConcern level 'snapshot' for use only within multi-statement transactions. Single-statement transactions may no longer specify snapshot readConcern level.

(Note that the above only applies when 'enableTestCommands' has not been set to true. We are allowing in tests for the moment while we convert our snapshot read tests to use multi-statement transactions.)

Engineering Ticket Description:

Snapshot reads outside of multi-statement transactions will be allowed only when enabled via server parameter for testing purposes.


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