The remotewrite.Stop() expects that there are no pending calls to TryPush().
This means that the ingestionRateLimiter.Register() must be unblocked inside TryPush() when calling remotewrite.Stop().
Provide remotewrite.StopIngestionRateLimiter() function for unblocking the rate limiter before calling the remotewrite.Stop().
While at it, move the rate limiter into lib/ratelimiter package, since it has two users.
Also move the description of the feature to the correct place at docs/CHANGELOG.md.
Also cross-reference -remoteWrite.rateLimit and -maxIngestionRate command-line flags.
This is a follow-up for 02bccd1eb9
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5900
* lib/storage: adds metrics for downsampling
vm_downsampling_partitions_scheduled - shows the number of parts, that must be downsampled
vm_downsampling_partitions_scheduled_size_bytes - shows total size in bytes for parts, the must be donwsampled
These two metrics answer the questions - is downsampling running? how many parts scheduled for downsampling and how many of them currently downsampled? Storage space that it occupies.
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2612
* wip
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
- Make the configuration more clear by accepting the list of ignored labels during sharding
via a dedicated command-line flag - -remoteWrite.shardByURL.ignoreLabels.
This prevents from overloading the meaning of -remoteWrite.shardByURL.labels command-line flag.
- Removed superfluous memory allocation per each processed sample if sharding by remote storage is enabled.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5938
* vmalert: fix sending alert messages
1. fix `endsAt` field in messages that send to alertmanager, previously rule with small interval could never be triggered;
2. fix behavior of `-rule.resendDelay`, before it could prevent sending firing message when rule state is volatile.
* docs: update changelog notes
Signed-off-by: hagen1778 <roman@victoriametrics.com>
---------
Signed-off-by: hagen1778 <roman@victoriametrics.com>
Co-authored-by: hagen1778 <roman@victoriametrics.com>
During shutdown period of vmalert, remotewrite client retrieve all pending time series from buffer queue, compose them into 1 batch and execute remote write.
This final batch may exceed the limit of -remoteWrite.maxBatchSize, and be rejected by the receiver (gateway, vmcluster or others).
This changes ensures that even during shutdown vmalert won't exceed the max batch size limit for remote write
destination.
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6025
(cherry picked from commit 623d257faf)
Signed-off-by: hagen1778 <roman@victoriametrics.com>
To horizontally scale streaming aggregation, you might want to deploy a separate hashing tier
of vmagents that route to a separate aggregation tier. The hashing tier should shard by all labels
except the instance-level labels, to ensure the input metrics are routed correctly to the aggregator
instance responsible for those labels.
For this to achieve we introduce `remoteWrite.shardByURL.inverseLabels` flag to inverse logic of `remoteWrite.shardByURL.labels`
---------
Co-authored-by: Eugene Ma <eugene.ma@airbnb.com>
Co-authored-by: Roman Khavronenko <roman@victoriametrics.com>
(cherry picked from commit 166b97b8d0)
vmselect uses a cache folder in file system for two purposes:
1. Storing rollup cache results on shutdown;
2. Storing temporary search results from vmstorage during query executions.
It could happen that cache folder is deleted accidentally by user, or by OS
during cleanup routines. This would cause vmselect to:
1. panic on /metrics call, because `MustGetFreeSpace` will fail;
2. return query error user, as it won't be able to store temporary search results.
The changes in this commit are the following:
1. Make `MustGetFreeSpace` to try re-creating the cache folder if it is missing;
2. Make vmselect to try re-creating the cache folder if it can't persist tmp search
results.
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5985
Signed-off-by: hagen1778 <roman@victoriametrics.com>
Co-authored-by: Nikolay <nik@victoriametrics.com>
(cherry picked from commit cb23685681)
* [vmagent] added ingestion rate limiting with new flag `-maxIngestionRate`. This flag can be used to limit the number of samples ingested by vmagent per second. If the limit is exceeded, the ingestion rate will be throttled.
* fix changelog
* fix review comment
(cherry picked from commit 02bccd1eb9)
When `--vm-native-step-interval` is specified, explore phase will be executed
within specified intervals. Discovered metric names will be associated with
time intervals at which they were discovered. This suppose to reduce number
of requests vmctl makes per metric name since it will skip time intervals
when metric name didn't exist.
This should also reduce probability of exceeding complexity limits
for number of selected series in one request during explore phase.
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5369
Signed-off-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit 5f8b91186a)
It is assumed that URLPrefix.busOriginal will be initialized
durin Unmarshal of the config. But in tests we set fields manually,
so this field never get initialized properly.
Fixes the error `panic: runtime error: integer divide by zero`
at `vmauth.getLeastLoadedBackendURL`.
Signed-off-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit cb1e618a16)
VictoriaMetrics destination is specified via `--vm-*` cmd-line flags
and is used in opentsdb, influx, prometheus, remote-read modes.
updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5426
Signed-off-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit 0b7ce70df4)
Signed-off-by: hagen1778 <roman@victoriametrics.com>
* fix typos in flags description
* move the change to #tip section in changelog
b9f7c3169a
Signed-off-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit 83a8c24281)
The `match[]` filter is mandatory at /api/v1/series, so it mustn't be dropped here.
There is no sense in dropping `match[]` filter together with `extra_label` and `extra_filters[]`
at /api/v1/labels and /api/v1/label/.../values if -search.ignoreExtraFiltersAtLabelsAPI commnad-line flag is set,
since:
- the `match[]` filter triggers slow path at these APIs;
- the `extra_label` and `extra_filters[]` filters narrow down the number of matched time series,
so they improve performance comparing to the case when only `match[]` filter is left,
while `extra_label` and `extra_filters[]` filters are dropped.
This is a follow-up for 0b7a23a91d
Improved trace display for better visual separation of branches:
* Increased left padding for each element
* Added padding for the last element in the branch
For example, if `interval: 1m`, then data flush occurs at the end of every minute,
while `interval: 1h` leads to data flush at the end of every hour.
Add `no_align_flush_to_interval` option, which can be used for disabling the alignment.
The match[] at /api/v1/labels and /api/v1/label/.../values also may lead to slow requests and
high resource usage if it matches big number of time series. So it must be igrnored if -search.ignoreExtraFiltersAtLabelsAPI
command-line flag is set.
This is a follow-up for fab02faa3f
* app/{vmagent,vminsert}: adds /v1/metrics suffix for opentelemetry route path
it must fix compatibility with opentemetry-collector [spec](https://opentelemetry.io/docs/specs/otlp/\#otlphttp-request)
this suffix is hard-coded and cannot be changed with collector configuration
* Apply suggestions from code review
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Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
* metricsql: fix label_join() when `dst_label` is equal to one of the `src_label`
* Update app/vmselect/promql/transform.go
* Update docs/CHANGELOG.md
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Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
