logging: Fix file rotation mechanism.#7133

Merged

danielnelson merged 2 commits intoinfluxdata:masterfrom HarshitOnGitHub:Issue_6776

Mar 10, 2020

+38

Commits on Mar 8, 2020

Correctly initialize log file size when reopening after crash.
HarshitOnGitHub
committed
Perform rotation at the time of opening the file if applicable.
HarshitOnGitHub
committed