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2018-02-26 06:03:21 -0500 问了问题 Enabling Perf Measurements in Ceilometer

Hello,

We are trying to collect perf measurements through Ceilometer. The system we have is the following: Openstack Newton Ceilometer client 2.6 Libvirt version 2.< Qemu - KVM Ubuntu 16.04 OS kernel is 4.4.0-96-generic Processor is XEON 2699, which according to intel supports perf measurements.

We have set the " enabled_perf_events= cmt, cpu_cycles, cache_references, cache_misses" in the nova.conf and also the perf measurements in the pipeline.yaml (although we are not sure whether this is required...) as follows: - name: perf_source interval: 240 meters: - "perf.cpu.cycles" - "cpu_l3_cache" - "perf.cache.references" - "perf.cache.misses" - "memory.bandwidth.total" - "memory.bandwidth.local" sinks: - meter_sink

What we get is "Skip pollster perf.cpu.cycles, no new resources found in this cycle" ... Any ideas?

Thank you very much!!

2018-02-26 06:03:21 -0500 问了问题 Nova cannot start after changing Token expiration time in Keystone.conf

When we change the Token expiration time e.g. to expiration=7200 in Keystone.conf and we restart the service, Nova does not start, and we come up with the Internal server error 500: " no handlers could be found for logger keystone auth.identity.generic.base". Has anyone ever seen this?