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State of the Gate (placement?)


On 11/1/2019 8:30 AM, Matt Riedemann wrote:
> Looks like around the time of slowness mysqld is the top consuming 
> process which is probably not surprising.

Oh I also see this in the mysql error log [1] around the time of the 
slow period, right after things pick back up:

2019-10-31T16:55:08.603773Z 0 [Note] InnoDB: page_cleaner: 1000ms 
intended loop took 161281ms. The settings might not be optimal. 
(flushed=201 and evicted=0, during the time.)

So obviously something is going very wrong with mysql (or the node in 
general) during that time.

[1] 
https://13cf3dd11b8f009809dc-97cb3b32849366f5bed744685e46b266.ssl.cf5.rackcdn.com/692206/3/check/tempest-integrated-compute/35ecb4a/controller/logs/mysql/error_log.txt.gz

-- 

Thanks,

Matt