New commit detected on ManageIQ/manageiq/euwe:
https://github.com/ManageIQ/manageiq/commit/6814026a233df44b8f194869d059ee078236a0fa

commit 6814026a233df44b8f194869d059ee078236a0fa
Author:     Jason Frey <fryguy9@gmail.com>
AuthorDate: Sat Dec 10 23:30:32 2016 -0500
Commit:     Satoe Imaishi <simaishi@redhat.com>
CommitDate: Fri Jan 20 17:12:16 2017 -0500

    Merge pull request #12932 from jrafanie/wrap_critical_section_with_read_lock
    
    Worker heartbeating: Wrap critical section with read lock
    (cherry picked from commit bb18704733652ab3c38c3c1d3e21e886f07d381a)
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1415332

 .../miq_server/worker_management/heartbeat.rb      | 26 +++++++++++++++++-----
 .../miq_server/worker_management/heartbeat_spec.rb | 19 ++++++++++++++++
 2 files changed, 39 insertions(+), 6 deletions(-)
 create mode 100644 spec/models/miq_server/worker_management/heartbeat_spec.rb

This was in euwe and therefore will be in 5.7.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2017-0320.html