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Description of problem:

Depending on the size of reports for a host, the request for the reports
for a host via API/hammer consumes large amount of memory.

How reproducible:
the system needs to have reasonable history of puppet reports in order to reporduce the issue

Steps to Reproduce:
1. curl -k -u admin:changeme -H "Accept:application/json"\
   https://foreman.example.com/api/v2/hosts/myhost.example.com/reports?per_page=120


Actual results:
The passenger process starts consuming a lot of memory and it takes tens of minuts to finish (if the server doesn't fail on insufficient amount of memory before it finishes).

Expected results:
The request returns reports for a host

Created redmine issue http://projects.theforeman.org/issues/14503 from this bug

A PR with a fix proposal opened upstream https://github.com/theforeman/foreman/pull/3394

Upstream bug component is Provisioning

Moving to POST since upstream bug http://projects.theforeman.org/issues/14503 has been closed
-------------
Ivan Necas
Applied in changeset commit:aeba4f428494f2ee3aedf18088561c23c4407309.

Verified in Satellite 6.2 Beta Snap 13.

It only took 1120ms to return a list of 345 reports, when overriding the default pagination limits.

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://access.redhat.com/errata/RHBA-2016:1501