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DescriptionLukáš Hellebrandt
2018-12-03 15:27:40 UTC
Description of problem:
Performance testing shows that there's most likely something done inefficiently in the Registered hosts report. I've tested on a Satellite with 10 000 systems.
When running a report without filters, it takes 8 minutes (there are no performance requirements specified so this should be fine). However, when running with a host filter such that it limits hosts to only 500 of these 10 000, the report generation consistently fails with ISE after 30 minutes.
Tested on a RHEL7 machine with Intel Xeon, 4 sockets, 32 cores, hyperthreading, 2.7 Ghz, 128 GB RAM
Version-Release number of selected component (if applicable):
6.5 snap 5
How reproducible:
Deterministic on one machine but may be influenced by the machine's performance.
Steps to Reproduce:
1. Have a Satellite with 10 000 systems, 500 of them with some easily filterable name
2. Monitor -> Report Templates -> Registered Hosts -> Generate
3. Fill in a filter such that it selects 500 systems
4. Submit
Actual results:
ISE after 30 minutes
Expected results:
Report generated. I'd expect it to be faster than without the filter
Comment 9Lukáš Hellebrandt
2019-03-28 12:37:06 UTC
Verified with Sat 6.5 snap 21.
Generating a report is now ~ 8 times faster (1 minute for 10000 systems). Also, filtering all hosts H to only hosts h is now faster than not filtering at all for |h|<<|H| (10 seconds for 700 systems).
The performance is, however, still a limit: with filter in form "<name>", for |h|=|H|=10000, the generating takes half an hour.
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/RHSA-2019:1222