- SandboxCheckpointedMetric and SandboxRestoredMetric are added for sandbox
metadata metric which indicate whether sandbox is checkpointed or restored.
- NumCheckpointedSandboxesMetric and NumRestoredSandboxesMetric are added at
the process level which will get the count of number of sandboxes being
checkpointed and restored.
PiperOrigin-RevId: 726797010
This condition is expected on nodes where the root directory doesn't exist at
the time the `runsc metric-server` starts, and the presence of the
`--allow-unknown-root` flag means the user expects that this directory
doesn't exist. Therefore, it is not a warning and should not sound like one.
PiperOrigin-RevId: 633764146
This is part of a series of changes to add metric charts in performance
benchmarks.
This change is meant to do three things:
- Remove the interface indirection from the Prometheus library, which is
performance-critical due to its use in writing out profiling metrics
(although the runsc metric server also benefits from this too).
- Use a `StringWriter`-like writer contract, to avoid needless casting
between strings and bytes within the Prometheus library. The library only
ever needs to deal with strings, so it is up to callers to do the
conversion to bytes if they need to (which the runsc metric-server does).
- Avoid buffer allocations in the metric server when each snapshot is larger
than the buffer size. Instead, buffers are saved and reused.
PiperOrigin-RevId: 630500004
Starting with Go 1.21, build tags select the language version. We currently
have several `go:build go1.1` tags, which were intended to act as "true" tags.
But that will break with 1.21. So replace them with "!false".
Fixes#9568.
PiperOrigin-RevId: 576020779
Nayana BidariandgVisor bot
Koichi Shiraishi
Etienne PerotandgVisor bot
Ayush RanjanandgVisor bot