[MDEV-23788] Document MTR rr Created: 2020-09-22  Updated: 2020-10-20

Status: Open
Project: MariaDB Server
Component/s: Documentation
Affects Version/s: None
Fix Version/s: N/A

Type: Bug Priority: Major
Reporter: Daniel Black Assignee: Ian Gilfillan
Resolution: Unresolved Votes: 0
Labels: None

Issue Links:
Relates
relates to MDEV-23787 mtr --rr fixes Closed

 Description   

https://rr-project.org/

note:

It occurred that if ./mtr -rr --rr-arg=-chaos is being used for reproducing some bug, then also --no-check-testcase is useful. Basically the reason is that rr record --chaos nproc will return random results. This explains why THREAD_POOL_SIZE would differ according to check-testcase. IMO it would be good to document the usage of https://rr-project.org/ somewhere.
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