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171 Commits

Author SHA1 Message Date
Aliaksandr Valialkin
85a95bf60c all: various fixes in command-line flag descriptions 2021-03-15 21:59:25 +02:00
Aliaksandr Valialkin
22b1941cfc lib/promscrape/discovery/ec2: follow-up after f6114345de 2021-03-02 13:46:26 +02:00
Aliaksandr Valialkin
937f382938 lib/protoparser/prometheus: properly unescape label values in Prometheus exposition format 
Unescape only `\n`, `\"` and `\\` sequences as Prometheus does. Other escape sequences shouldn't be unescaped.
 2021-03-02 13:21:43 +02:00
Aliaksandr Valialkin
019d8e88d8 lib/protoparser/graphite: fix parsing of a Graphite line with empty tags such as foo; 1 2 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1100
 2021-03-01 17:16:35 +02:00
Aliaksandr Valialkin
b861a64510 lib/protoparser/influx: make sure that escaped whitespace can be put in measurement, tag names and field names 2021-02-16 13:59:18 +02:00
Nikolay
7976c22797
Fixes error handling for promscrape.streamParse (#1009) 
properly return error if client cannot read data,
properly suppress scraper errors
 2021-01-12 13:31:47 +02:00
Aliaksandr Valialkin
9abb2d6c74 lib/protoparser/prometheus: follow-up commit after 7d38627b9f6f212ae602aea6a72f469fe3c70ba2 
Document the bugfix in docs/CHANGELOG.md and add a test for the bugfix.
 2020-12-16 23:40:17 +02:00
BigFish
27f0261257
lib/protoparser/prometheus/parser.go (#970) 
fix parse timestamp error if there are some whitespaces after timestamp
 2020-12-16 23:36:20 +02:00
Aliaksandr Valialkin
4146fc4668 all: properly handle CPU limits set on the host system/container 
This can reduce memory usage on systems with enabled CPU limits.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/946
 2020-12-08 21:07:29 +02:00
Aliaksandr Valialkin
b0e4b234cb lib/protoparser/influx: allow multiple whitespace chars between measurement, fields and timestamp in Influx line protocol 2020-12-06 12:01:27 +02:00
Aliaksandr Valialkin
a906b3862f lib/protoparser/prometheus: properly parse OpenMetrics timestamps 
OpenMetrics timestamps are floating-point numbers, that represent Unix timestamp in seconds.
This differs from Prometheus exposition format, where timestamps are integer numbers representing Unix timestamp in milliseconds.
 2020-11-27 14:54:29 +02:00
Aliaksandr Valialkin
ae04378424 lib/protoparser/prometheus: properly parse "infinity" values in OpenMetrics format 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/924
 2020-11-24 19:03:38 +02:00
Aliaksandr Valialkin
78d2715d04 all: spelling fix: superflouos->superfluous. This is a follow-up for 0acdab3ab9 2020-11-24 12:42:22 +02:00
Aliaksandr Valialkin
b7f4fc6e0d lib/protoparser/prometheus: properly parse metrics with exemplars 
Examplars have been introduced in OpenMetrics - see https://github.com/OpenObservability/OpenMetrics/blob/master/OpenMetrics.md#exemplars-1
Previously VictoriaMetrics couldn't parse the following metric

    foo{bar="baz"} 123 # exemplar here

This commit fixes this. Note that VictoriaMetrics ignores the exemplar as for now.
 2020-11-24 12:34:56 +02:00
Aliaksandr Valialkin
48d033a198 app/vminsert: add /tags/tagSeries and /tags/tagMultiSeries handlers from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#adding-series-to-the-tagdb
 2020-11-16 02:39:58 +02:00
Aliaksandr Valialkin
0deabbbb4a lib/protoparser/promremotewrite: log the time spent on unsuccessful data read from the network 
This should help with debugging `connection timed out` errors.
 2020-11-13 17:49:12 +02:00
Aliaksandr Valialkin
cdf1e6684b lib/protoparser/opentsdbhttp: increment errors counter on unmarshal errors 
This is a follow-up for 149c0c4a6d
 2020-11-13 13:23:17 +02:00
Aliaksandr Valialkin
149c0c4a6d lib/protoparser: propagate callback error to the caller of ParseStream for every supported data ingestion protocols 
The caller of ParseStream then can generate HTTP 503 responses for non-nil errors occured in callbacks when processing incoming requests.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/896
 2020-11-13 13:05:24 +02:00
Aliaksandr Valialkin
4f8a3af061 lib/protoparser/promremotewrite: synchronously process Prometheus remote_write requests 
There is no reason in processing these requests asynchronously in the face of https://github.com/VictoriaMetrics/VictoriaMetrics/issues/896
Synchronous processing code is easier to read and understand than the previous async code
 2020-11-13 12:17:25 +02:00
Aliaksandr Valialkin
57a4af98fa lib/protoparser/promremotewrite: forward errors, which can occur during data ingestion, to the caller of ParseStream, so it could properly return HTTP 503 status code on non-nil error 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/896
 2020-11-13 11:01:07 +02:00
Aliaksandr Valialkin
e277c3d07b lib/promscrape: add stream parse mode for efficient scraping of targets that expose millions of metrics 2020-11-01 23:35:06 +02:00
Aliaksandr Valialkin
e19d400230 lib/protoparser/graphite: support parsing floating-point timestamp like Graphite does 
Such timestamps are rounded to seconds like Carbon does.
See b0ba62a62d/lib/carbon/protocols.py (L197)
 2020-10-06 11:38:29 +03:00
Aliaksandr Valialkin
bbeac0ba46 lib/protoparser/influx: add -influx.maxLineSize command-line flag for configuring the maximum size for a single Influx line during parsing 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/807
 2020-10-05 15:19:05 +03:00
Aliaksandr Valialkin
19c0b6f3ef lib/protoparser/prometheus: sort rows before comparing them in TestParseStream, since the order for callback calls is non-deterministic 2020-09-29 12:30:04 +03:00
Aliaksandr Valialkin
7cde336b33 lib/protoparser/prometheus: fix TestParseStream after 124f78857b 2020-09-29 12:11:17 +03:00
Aliaksandr Valialkin
7500146321 lib/protoparser: avoid copying of buffer read from the network to unmarshal buffer 2020-09-28 17:19:16 +03:00
Aliaksandr Valialkin
124f78857b app/{vminsert,vmagent}: improve data ingestion speed over a single connection 
Process data obtianed from a single connection on all the available CPU cores.
 2020-09-28 04:13:08 +03:00
Aliaksandr Valialkin
5cdad60a6f lib/protoparser: use 64KB read buffer instead of default 4KB buffer provided by net/http.Server 
This should reduce syscall overhead when reading big amounts of data
 2020-09-28 02:07:10 +03:00
Aliaksandr Valialkin
95688cbfc5 all: add native format for data export and import 
The data can be exported via [/api/v1/export/native](https://victoriametrics.github.io/#how-to-export-data-in-native-format) handler
and imported via [/api/v1/import/native](https://victoriametrics.github.io/#how-to-import-data-in-native-format) handler.
 2020-09-27 19:54:07 +03:00
Aliaksandr Valialkin
b4bf722d8f lib/protoparser: use all the available CPU cores for processing ingested data from a single /api/v1/import stream 
Previously a single data ingestion stream to /api/v1/import could load only a single CPU core.
 2020-09-26 04:21:32 +03:00
Aliaksandr Valialkin
ffadf035fa lib/protoparser/vmimport: add more testcases for invalid timestamps and values 
Updates https://github.com/VictoriaMetrics/vmctl/issues/25
 2020-09-16 02:22:06 +03:00
Aliaksandr Valialkin
d8183c3124 lib/protoparser: report more errors for incorrect timestamps and/or values 
Previously certain errors in timestamps and/or values could be silently skipped,
which could lead to samples with zero values stored in the database.

Updates https://github.com/VictoriaMetrics/vmctl/issues/25
 2020-09-16 02:14:18 +03:00
Aliaksandr Valialkin
9bc8484ab6 lib/protoparser/graphite: return error when value or timestamp cannot be properly parsed 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/99
 2020-09-16 01:35:12 +03:00
Aliaksandr Valialkin
62fde80490 lib/protoparser/common: do not read request body when parsing timestamp query arg 
This was preventing from reading data via /api/v1/prometheus/import .

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/750
 2020-09-11 14:44:58 +03:00
Aliaksandr Valialkin
f95eea60d1 lib/protoparser: accept timestamp in milliseconds instead of seconds at /api/v1/import/prometheus 
This improves consistency with timestamps in Prometheus text exposition format
 2020-09-11 14:04:46 +03:00
Aliaksandr Valialkin
2380e9b017 app/{vminsert,vmagent}: allow passing timestamp via timestamp query arg when ingesting data to /api/v1/import/prometheus 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/750
 2020-09-11 13:27:14 +03:00
Aliaksandr Valialkin
f41b36bb9a app/{vminsert,vmagent}: allow adding extra labels when importing data via Prometheus, CSV and JSON line formats 
Extra labels may be added to the imported data by passing `extra_label=name=value` query args.
Multiple query args may be passed in order to add multiple extra labels.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/719
 2020-09-02 19:43:21 +03:00
Aliaksandr Valialkin
147c35ebd4 all: allow using KB, MB, GB, KiB, MiB and GiB suffixes in command-line flag values related to byte sizes or byte rates 2020-08-16 17:05:52 +03:00
Aliaksandr Valialkin
ed00eb3f33 lib/protoparser: removed unnecessary call to SetReadDeadline when reading a stream of data 
The OS should return any buffered data in the stream without the need to set the read timeout.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/696
 2020-08-15 15:38:08 +03:00
Aliaksandr Valialkin
7554be172d lib/protoparser: move common code for detecting timeouts to ReadLinesBlockExt 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/696
 2020-08-14 20:40:15 +03:00
Aliaksandr Valialkin
4beab7ad39 lib/protoparser: prevent from busy loop on repeated timeout errors when reading streams of ingested data 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/696
 2020-08-14 20:14:11 +03:00
Aliaksandr Valialkin
576da0fe46 app/{vminsert,vmagent}: improve documentation for -influxListenAddr command-line flag 2020-08-14 18:04:44 +03:00
Aliaksandr Valialkin
215967437d lib/protoparser/prometheus: typo fix in error message 2020-08-14 11:04:23 +03:00
Aliaksandr Valialkin
15aa6142ef lib/protoparser: clarify that the string passed to Unmarshal() function must remain available when the parsed rows are in use 2020-08-11 17:04:39 +03:00
Aliaksandr Valialkin
c098988a18 lib/protoparser/influx: accept precision=us and precision=µ according to https://docs.influxdata.com/influxdb/v1.8/tools/api/#write-http-endpoint 2020-08-10 20:23:26 +03:00
Aliaksandr Valialkin
aaa497ff0b Perform conversion from string to []byte according to rule #6 at https://golang.org/pkg/unsafe/#Pointer 2020-08-05 11:55:58 +03:00
Aliaksandr Valialkin
865610a7c8 lib/protoparser/prometheus: add a test for cassandra-exporter 
Thanks to Seva
 2020-07-27 18:37:11 +03:00
Aliaksandr Valialkin
cde18d1f43 lib/protoparser: properly update vm_protoparser_rows_read_total{type="promscrape"} metric 2020-07-14 12:16:35 +03:00
Seva Poliakov
457e61900d add vm_protoparser_rows_read_total metrics to promscrape (#624) 
* add vm_protoparser_rows_read_total metrics to promscrape

move vm_protoparser_rows_read_total for promscrape to better place

move vm_protoparser_rows_read_total for promscrape to better place

* remove possibility of infinity loop at prometheus parser
 2020-07-14 12:16:34 +03:00
Aliaksandr Valialkin
cba820e390 app/{vminsert,vmagent}: add ability to import data in Prometheus exposition format via /api/v1/import/prometheus 2020-07-10 12:14:07 +03:00
Aliaksandr Valialkin
6fe3c48a6e properly calculate readCalls 2020-07-10 12:00:58 +03:00
Roman Khavronenko
e7557e0252
lib/protoparser: fix metric name of unmarshal errors in promremotewrite (#607) 
The change fixes the typo in metric name `vm_protoparser_unmarshal_errors` to
respect the naming standard.
 2020-07-08 14:18:41 +03:00
Aliaksandr Valialkin
e59b9916aa lib/protoparser/graphite: go fmt 2020-07-08 14:12:10 +03:00
Aliaksandr Valialkin
d0b694c5c8 lib/protoparser/graphite: add more tests after eb45185eef 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/610
 2020-07-08 14:10:35 +03:00
Seva Poliakov
eb45185eef
Fix graphite minus one timestamp (#609) 
* fix graphite -1 timestamp

* format the graphite fix -1 timestamp
 2020-07-08 13:59:19 +03:00
Aliaksandr Valialkin
56ccfa5218 all: use errors.As instead of type assertion for detecting net.Error 2020-07-01 00:15:34 +03:00
Aliaksandr Valialkin
d5dddb0953 all: use %w instead of %s for wrapping errors in fmt.Errorf 
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
 2020-06-30 23:05:11 +03:00
Aliaksandr Valialkin
0afd48d2ee lib: extract common code for returning fast unix timestamp into lib/fasttime 2020-05-14 23:02:07 +03:00
Aliaksandr Valialkin
69004a5f67 lib/promscrape: fix tests after the commit 658a8742ac 
The original commit copies `__address__` label to `instance` label when generating per-target labels as Prometheus does.

See https://www.robustperception.io/life-of-a-label for details.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/453
 2020-05-03 16:56:15 +03:00
DexterZhang
658a8742ac
fix(vmagent): different behavior as how prometheus deal with labels. [Issue#453] (#454) 2020-05-03 16:51:03 +03:00
Aliaksandr Valialkin
e62afc7366 lib/protoparser: add -*TrimTimstamp command-line flags for Influx, Graphite, OpenTSDB and CSV data 
These flags can be used for reducing disk space usage for timestamps data ingested over the given protocols
 2020-04-10 12:44:39 +03:00
Aliaksandr Valialkin
c8dc1cd218 lib/protoparser/csvimport: add missing metric vm_rows_invalid_total{type="csvimport"} 2020-03-12 15:27:45 +02:00
Aliaksandr Valialkin
1fe66fb3cc app/{vmagent,vminsert}: add support for importing csv data via /api/v1/import/csv 2020-03-10 21:15:35 +02:00
Aliaksandr Valialkin
1d7ab78b55 lib/protoparser/prometheus: allow trailing comma in tags list 
The trailing comma is generated by cloudwatch exporter.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/350
 2020-03-02 22:22:09 +02:00
Aliaksandr Valialkin
b785429ddb lib/protoparser: metrics renaming: vm_protoparser_<type>_* -> vm_protoparser_*{type="<type>"} 
This should improve composability of these metrics in PromQL queries
 2020-02-28 20:20:10 +02:00
Aliaksandr Valialkin
4e24839a2c app/vmagent: do not allow sending unpacked requests with sizes exceeding -maxInsertRequestSize 2020-02-25 19:34:41 +02:00
Aliaksandr Valialkin
6386aeb1e0 app/vmagent: add ability to accept Influx line protocol data via TCP and UDP 
Just set `-influxListenAddr` command-line flag

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/333
 2020-02-25 19:12:49 +02:00
Aliaksandr Valialkin
04762344c6 app/vmagent: initial implementation for vmagent 2020-02-23 13:36:03 +02:00
Aliaksandr Valialkin
71a52f5f90 lib/protoparser/prometheus: skip leading whitespace from tag names 2020-02-16 19:06:33 +02:00
Aliaksandr Valialkin
2a0a0ed14d lib/protoparser: add parser for Prometheus exposition text format 
This parser will be used by vmagent
 2020-01-24 20:11:02 +02:00
Aliaksandr Valialkin
6456c93dbb app/vminsert: move ingestion protocol parsers to lib/protoparser, so they could be re-used in the upcoming vmagent 2020-01-24 16:53:00 +02:00