Feature idea summary

Cgroups plugin supports only proportional and max Block IO policies. We should support BFQ scheduler as well. Disk stats for the scheduler are in blkio.bfq.io_service_bytes and blkio.bfq.io_serviced files.

Under 'Step 3 Create a Dashboard' for item #1:
"Click the + icon on the left panel, select Create Dashboard, and then click Add new panel."

the "Add new panel." ending should be updated to "Add an empty panel"

Please answer these questions before submitting your issue.

• Why do you submit this issue?
• [√ ] Question or discussion
• Bug
• Requirement
• Feature or performance improvement

Question

• What do you want to know?
  Is there no support for python websocket

Bug

• Which version of SkyWalking, OS, and JRE?

• Which company or project?

• What happened?

https://github.com/heptiolabs/healthcheck

This will give us metric on healtcheck and more granularity on checks we want to have.

/cc @slim-bean @joe-elliott

This is a reminder for me or a task if anyone wants :P

Basically, The last two questions aren't really regex's questions.

To do:

• Move said questions to correct place.
• Add new regex questions (Python related!)?
• Maybe add a new ## Regex section, as it is a valuable skill

postcss before v8.2.10 (used by the React UI) is affected by CVE-2021-23368 (see https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23368)

Output from npm list postcss:

+-- react-scripts@3.4.4
| +-- css-loader@3.4.2
| | +-- icss-utils@4.1.1
| | | `-- postcss@7.0.35  deduped
| | +-- postcss@7.0.35
| | +-- postcss-modules-extract-imports@2.0.0
| | | `-- postcss@7.0.35  dedupe

What happened?

After being fine for a couple days, Prometheus mysteriously started crashing with this error:

level=error ts=2020-09-02T15:16:55.096Z caller=query_logger.go:87 component=activeQueryTracker msg="Error opening query log file" file=/prometheus/queries.active err="open /prometheus/queries.active: permission denied"
panic: Unable to create mmap-ed active query log

goro

Is your feature request related to a problem? Please describe.
It's very easy to see ingester and ha ring status, but distributor ring status is only sort of viewable via Consul

Describe the solution you'd like
A status page that shows the distributor ring status similar to how we can currently view ingester ring status.

Describe alternatives you've considered
Currently I ta

Couple of things to do:

• In master branch, we want to bump client-go & co to v0.21 -> https://github.com/kubernetes/kube-state-metrics/blob/master/go.mod#L41-L43

• We also need to test against Kubernetes v1.21, for that we should change this to v1.21 https://github.com/kubernetes/kube-state-metrics/blob/7fd83751066b39d6f80fd31ee190d1cd2cd6352a/tests/e2e.sh#L27 maybe even adding the abilit

What is missing?
kube-prometheus ships by default grafana, but there are no alerts around it. Since upstream project has a monitoring mixin we may as well use it.

Why do we need it?
To provide alerts/dashboards for grafana OOTB.

What did you expect to see?

I'm expecting to be able to filter out the requests from blackbox exporter in my access logs.
So, please, add a user agent header that container the "blackbox exporter" string somewhere.

What did you see instead?

I see User-Agent: Go-http-client/1.1
Not easy to filter in the access logs...

It would be awesome if the metrics could include the node's topology.kubernetes.io/region & topology.kubernetes.io/zone (not sure what the non-AWS fields are called). That would help quickly identify patterns in the results. e.g., zone "a" is slower than zone "b" or that cross-zone traffic is what's causing a large spike in response times. Not sure if this is possible within the framework of this