Comments (9)
grobie
commented on June 18, 2024
Anything in the logs of the memcached exporter?
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jalberto
commented on June 18, 2024
the usual, but no errors
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grobie
commented on June 18, 2024
@jalberto where you able to figure out the problem?
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pedep
commented on June 18, 2024
I'm currently having the same issue.
prom/memcached-exporter:master + memcached:1.4.34.
I can extract stats manually as well, but when connecting to the exporter, i only get the memcached_up key.
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grobie
commented on June 18, 2024
Unfortunately, I haven't been able to reproduce the issue so far. Can you please post the commands including all flags and other config options you're using to start memcached and memcached exporter? Are you able to reproduce the issue by starting memcached and memcached_exporter in docker containers? That should make it easier to reproduce the issue for me.
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pedep
commented on June 18, 2024
Sorry, i solved the issue i was having.
I am using memcached-exporter in a docker swarm, and i had misconfigured the host/port it was connecting to.
The memcached_up=1 result led me to believe it successfully connected to the memcached instance, so i didn't think to look there.
After trying to reproduce in an isolated docker environment, i couldn't reproduce the issue, so i had a look, and it turned out i was trying to connect to the wrong docker alias.
Changing to correct hostname fixed the problem.
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pedep
commented on June 18, 2024
i think the memcached_up=1 stat being returned when the server is down / not found is an actual bug though..
docker run -d -p 9150:9150 prom/memcached-exporter --memcached.address idontexist:11211
curl localhost:9150/metrics | grep memcached
# HELP memcached_up Could the memcached server be reached.
# TYPE memcached_up gauge
memcached_up 1
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grobie
commented on June 18, 2024
Indeed! I thought this might be the issue, but couldn't replicate this at
first. It turns out, we only get an error if the hostname is valid, but the
port invalid / no memcached running. If the hostname is invalid, we don't
get an error.
I'll look into that. Thanks a lot for reporting!
…On Wed, Jan 31, 2018 at 3:57 PM pedep ***@***.***> wrote:
i think the memcached=1 stat being returned when the server is down / not
found is an actual bug though..
docker run -d -p 9150:9150 prom/memcached-exporter --memcached.address idontexist:11211
curl localhost:9150/metrics | grep memcached
# HELP memcached_up Could the memcached server be reached.
# TYPE memcached_up gauge
memcached_up 1
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pedep
commented on June 18, 2024
Cheers, and thanks for your quick answers 😄
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