OLM (formerly Spacewalk) slow viewing all systems
I'm wondering a little since I didn't find anything in the web about it ...
We try to use OLM (formerly Spacewalk 2.10) on an OracleLinux 7 host (recently full updated)
and observered that refreshing "all systems" in the Web GUI takes seconds (30 to 60 seconds!).
Investigating a little on the Oracle Database Backend we found that the SQL statement
--------------
SELECT SERVER_ID AS ID, OUTDATED_PACKAGES, SERVER_NAME, security_errata, bug_errata, enhancement_errata,
SERVER_ADMINS, GROUP_COUNT, MODIFIED, CHANNEL_LABELS, CHANNEL_ID, HISTORY_COUNT,
unique_crash_count, total_crash_count, LAST_CHECKIN_DAYS_AGO, PENDING_UPDATES, OS, RELEASE,
SERVER_ARCH_NAME, LAST_CHECKIN, LOCKED