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VictoriaMetrics/lib
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Roman Khavronenko 5df50e5645
lib/streamaggr: prevent rate_sum and rate_avg from producing NaNs (#6482) 
### Describe Your Changes

* check if `lastValue` was seen at least twice with different
timestamps. Otherwise, the difference between last timestamp and
previous timestamp could be `0` and will result into `NaN` calculation
* check if there items left in lastValue map after staleness cleanup.
Otherwise, `rate_avg` could have produce `NaN` result.

### Checklist

The following checks are **mandatory**:

- [x] My change adheres [VictoriaMetrics contributing
guidelines](https://docs.victoriametrics.com/contributing/).

---------

Signed-off-by: hagen1778 <roman@victoriametrics.com>
(cherry picked from commit 51d19485bb)
2024-06-14 13:26:42 +02:00
..
appmetrics all: add -metrics.exposeMetadata command-line flag, which can be used for adding TYPE and HELP metadata for metrics exposed at /metrics page 2023-12-19 03:26:02 +02:00
auth lib/auth: add NewTokenPossibleMultitenant() for parsing auth token, which can be multitenant 2023-08-30 14:13:51 +02:00
awsapi lib/awsapi: properly assume role with webIdentity token (#5495) 2023-12-20 19:07:04 +02:00
backup lib/backup: add -s3TLSInsecureSkipVerify command-line flag (#6318) 2024-05-22 16:40:06 +02:00
blockcache lib: consistently use atomic.* types instead of atomic.* functions 2024-02-24 02:10:04 +02:00
bloomfilter lib: consistently use atomic.* types instead of atomic.* functions 2024-02-24 02:10:04 +02:00
bufferedwriter
buildinfo
bytesutil lib/bytesutil: optimize internStringMap cleanup 2024-06-13 15:09:42 +02:00
cgroup lib/cgroup: remove SetGOGC() function 2024-02-05 12:13:08 +02:00
consts
decimal lib/slicesutil: add helper functions for setting slice length and extending its capacity 2024-05-12 11:33:49 +02:00
encoding lib/encoding: optimize UnmarshalVarUint64, UnmarshalVarInt64 and UnmarshalBytes a bit 2024-05-14 01:30:25 +02:00
envflag lib/envflag: do not allow unsupported form for boolean command-line flags in the form -boolFlag value 2023-08-17 13:37:05 +02:00
envtemplate
fastnum lib/fastnum: use unsafe.Slice() instead of deprecated reflect.SliceHeader 2024-02-29 17:17:24 +02:00
fasttime lib: consistently use atomic.* types instead of atomic.* functions 2024-02-24 02:10:04 +02:00
filestream lib/filestream: do not measure read / write duration from / to in-memory buffers 2024-01-23 14:53:35 +02:00
flagutil Revert "app/vmbackup: introduce new flag type URL (#6152)" 2024-04-24 17:08:26 +02:00
formatutil
fs lib/fs: support NFS implementations that return EEXIST instead of ENOTEMPTY (#6398) 2024-06-04 15:30:48 +02:00
handshake lib/handshake: substitute time.Now() with fastttime.UnixTimestamp(), since profiling shows time.Now() is slow 2024-01-23 18:39:28 +02:00
htmlcomponents lib/htmlcomponents: use relative links for the top page and for favicon.ico 2023-11-13 20:28:17 +01:00
httpserver lib/httpserver: allow reloadAuthKey and configAuthKey to override htt… (#6338) 2024-06-10 12:41:29 +02:00
httputils app/vmalert: support DNS SRV record in -remoteWrite.url (#6299) 2024-05-22 10:53:22 +02:00
influxutils
ingestserver Statsd protocol compatibility (#5053) 2024-05-10 14:28:37 +02:00
leveledbytebufferpool lib/leveledbytebufferpool: do not pool byte slices bigger than 2^18 bytes 2024-06-13 17:02:05 +02:00
logger lib/logger: increase default -loggerMaxArgLen command-line flag value from 500 to 1000 2023-11-14 19:55:55 +01:00
logstorage lib/logstorage: work-in-progress 2024-06-11 17:51:01 +02:00
lrucache lib: consistently use atomic.* types instead of atomic.* functions 2024-02-24 02:10:04 +02:00
memory all: cleanup: remove // +build ... lines, since they are no longer needed after Go1.17, and the minimum supported Go version for VictoriaMetrics source code is Go1.20 2023-11-13 19:15:42 +01:00
mergeset lib/mergeset: adds tracking for indexdb records drop (#6297) 2024-05-24 16:08:34 +02:00
metricsql
netutil app/vmauth: fix discovering backend IPs when url_prefix contains hostname with srv+ prefix (#6401) 2024-06-12 11:47:44 +02:00
persistentqueue Feature allow configuring disableOnDiskQueue and dropSamplesOnOverload per url (#6248) 2024-05-10 14:32:23 +02:00
procutil all: cleanup: remove // +build ... lines, since they are no longer needed after Go1.17, and the minimum supported Go version for VictoriaMetrics source code is Go1.20 2023-11-13 19:15:42 +01:00
promauth all: replace old https://docs.victoriametrics.com/sd_configs.html url with the new one - https://docs.victoriametrics.com/sd_configs/ 2024-04-18 02:28:26 +02:00
prompb Exemplar support (#5982) 2024-05-10 13:14:17 +02:00
prompbmarshal lib/slicesutil: add helper functions for setting slice length and extending its capacity 2024-05-12 11:33:49 +02:00
promrelabel lib/promrelabel: speedup label match by __name__ (#6432) 2024-06-07 16:35:52 +02:00
promscrape lib/promscrape: increase default value for promscrape.maxDroppedTargets to 10_000 (#6459) 2024-06-13 09:28:16 +02:00
promutils lib/logstorage: work-in-progress 2024-06-04 01:50:55 +02:00
protoparser lib/protoparser/opentelemetry/firehose: escape requestID before returning it to user (#6451) 2024-06-10 18:06:24 +02:00
proxy lib/promscrape: use the standard net/http.Client instead of fasthttp.Client for scraping targets in non-streaming mode 2024-01-30 18:39:55 +02:00
pushmetrics lib/pushmetrics: wait until the background goroutines, which push metrics, are stopped at pushmetrics.Stop() 2024-01-16 21:18:22 +02:00
querytracer lib/querytracer: add missing blank comment line after 3121d76bee 2023-11-15 16:11:50 +01:00
ratelimiter app/vmagent: properly shutdown when -maxIngestionRate limit is reached 2024-04-03 02:41:11 +03:00
regexutil lib/logstorage: work-in-progress 2024-05-25 22:59:21 +02:00
slicesutil lib/slicesutil: add helper functions for setting slice length and extending its capacity 2024-05-12 11:33:49 +02:00
snapshot Revert "app/vmbackup: introduce new flag type URL (#6152)" 2024-04-24 17:08:26 +02:00
storage lib/storage: filter deleted label names and values from `/api/v1/labe… (#6342) 2024-05-29 14:37:00 +02:00
streamaggr lib/streamaggr: prevent rate_sum and rate_avg from producing NaNs (#6482) 2024-06-14 13:26:42 +02:00
stringsutil lib/logstorage: work-in-progress 2024-05-22 21:01:28 +02:00
syncwg
tenantmetrics
timerpool
timeutil all: add up to 10% random jitter to the interval between periodic tasks performed by various components 2024-01-22 18:39:16 +02:00
uint64set lib/slicesutil: add helper functions for setting slice length and extending its capacity 2024-05-12 11:33:49 +02:00
vmselectapi lib: consistently use atomic.* types instead of atomic.* functions 2024-02-24 02:10:04 +02:00
workingsetcache lib: consistently use atomic.* types instead of atomic.* functions 2024-02-24 02:10:04 +02:00
writeconcurrencylimiter app/vmagent/remotewrite: clarify the reason behind the default value for -remoteWrite.queues in the same way as the reason for -maxConcurrentInserts is defined at 73f5fb0f0c 2024-03-06 13:57:53 +02:00