Alert rules won't reach Prometheus because they fail validation. Specifically, the group name HostMemory is used both in oomkill.rules and in memory.rules.
Solution
Change the group name of the oomkill.rules file, so it doesn't clash with the one in memory.rules.
Issue
Alert rules won't reach Prometheus because they fail validation. Specifically, the group name
HostMemoryis used both inoomkill.rulesand inmemory.rules.Solution
Change the group name of the
oomkill.rulesfile, so it doesn't clash with the one inmemory.rules.