I'm currently seeing this with the dashboard disabled. My instability decreases, but isn't wholly cured, by disabling prometheus and rbd_support, which I use in tandem, as the only thing I'm using the prom-exporter for is the per-rbd metrics.
> ceph mgr module ls
> {
> "enabled_modules": [
> "diskprediction_local",
> "influx",
> "iostat",
> "prometheus",
> "rbd_support",
> "restful",
> "telemetry"
> ],
I'm on Ubuntu 18.04, so that doesn't corroborate with some possible OS
correlation.
Thanks,
Reed
> On Aug 27, 2019, at 8:37 AM, Lenz Grimmer <lgrim...@suse.com> wrote:
>
> Hi Jake,
>
> On 8/27/19 3:22 PM, Jake Grimmett wrote:
>
>> That exactly matches what I'm seeing:
>>
>> when iostat is working OK, I see ~5% CPU use by ceph-mgr
>> and when iostat freezes, ceph-mgr CPU increases to 100%
>
> Does this also occur if the dashboard module is disabled? Just wondering
> if this is isolatable to the iostat module. Thanks!
>
> Lenz
>
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