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72 commits

Author SHA1 Message Date
Aliaksandr Valialkin
e2717d84c0 all: various fixes in command-line flag descriptions 2021-03-15 22:03:49 +02:00
Aliaksandr Valialkin
f686174329 lib/promscrape/discovery/ec2: follow-up after f6114345de 2021-03-02 13:47:35 +02:00
Aliaksandr Valialkin
e45c399467 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 13:22:10 +02:00
Aliaksandr Valialkin
f4969a624d 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 17:17:01 +02:00
Aliaksandr Valialkin
7869d38043 lib/protoparser/influx: make sure that escaped whitespace can be put in measurement, tag names and field names 2021-02-16 13:59:11 +02:00
Nikolay
9f0a4fd00e Fixes error handling for promscrape.streamParse (#1009) 
properly return error if client cannot read data,
properly suppress scraper errors
 2021-01-12 13:35:09 +02:00
Aliaksandr Valialkin
4fd2973e7c 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 23:42:17 +02:00
BigFish
60dd48c9eb lib/protoparser/prometheus/parser.go (#970) 
fix parse timestamp error if there are some whitespaces after timestamp
 2020-12-16 23:42:16 +02:00
Aliaksandr Valialkin
1a237c6903 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 21:07:03 +02:00
Aliaksandr Valialkin
3d00613076 lib/protoparser/influx: allow multiple whitespace chars between measurement, fields and timestamp in Influx line protocol 2020-12-06 12:00:28 +02:00
Aliaksandr Valialkin
2ed721e457 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 14:54:36 +02:00
Aliaksandr Valialkin
26e699c440 lib/protoparser/prometheus: properly parse "infinity" values in OpenMetrics format 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/924
 2020-11-24 19:02:50 +02:00
Aliaksandr Valialkin
7f3e884a31 all: spelling fix: superflouos->superfluous. This is a follow-up for 0acdab3ab9 2020-11-24 12:42:04 +02:00
Aliaksandr Valialkin
dad8b76a0e 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 12:30:34 +02:00
Aliaksandr Valialkin
4be5b5733a 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 02:40:04 +02:00
Aliaksandr Valialkin
f80d6473e1 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 17:49:21 +02:00
Aliaksandr Valialkin
d21b1606a1 lib/protoparser/opentsdbhttp: increment errors counter on unmarshal errors 
This is a follow-up for 149c0c4a6d
 2020-11-13 13:23:11 +02:00
Aliaksandr Valialkin
22c1e29284 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 13:05:34 +02:00
Aliaksandr Valialkin
9dfe00c962 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 12:17:32 +02:00
Aliaksandr Valialkin
739b88c1e4 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 11:00:41 +02:00
Aliaksandr Valialkin
ed724d25ba lib/promscrape: add stream parse mode for efficient scraping of targets that expose millions of metrics 2020-11-01 23:12:26 +02:00
Aliaksandr Valialkin
54ff78c6c9 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 11:38:35 +03:00
Aliaksandr Valialkin
9a7c863bd8 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 15:19:11 +03:00
Aliaksandr Valialkin
0b0259c42c lib/protoparser/prometheus: sort rows before comparing them in TestParseStream, since the order for callback calls is non-deterministic 2020-09-29 12:29:50 +03:00
Aliaksandr Valialkin
8f25206d8c lib/protoparser/prometheus: fix TestParseStream after 124f78857b 2020-09-29 12:12:33 +03:00
Aliaksandr Valialkin
1481d6d8ff lib/protoparser: avoid copying of buffer read from the network to unmarshal buffer 2020-09-28 17:19:04 +03:00
Aliaksandr Valialkin
8df33bd5c1 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 04:14:51 +03:00
Aliaksandr Valialkin
7072db75cb 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 02:07:19 +03:00
Aliaksandr Valialkin
6d8c23fdbd app/{vminsert,vmselect}: skip accountID and projectID when marshaling/unmarshaling MetricName in /api/v1/export/native and /api/v1/import/native 
This is needed in order to be able to migrate native data from/to single-node VictoriaMetrics
 2020-09-28 00:58:58 +03:00
Aliaksandr Valialkin
aadbd014ff 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 17:36:38 +03:00
Aliaksandr Valialkin
00ec2b7189 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 04:22:06 +03:00
Aliaksandr Valialkin
6ce52e3702 lib/protoparser/vmimport: add more testcases for invalid timestamps and values 
Updates https://github.com/VictoriaMetrics/vmctl/issues/25
 2020-09-16 02:21:53 +03:00
Aliaksandr Valialkin
cd87ca303f 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 02:16:15 +03:00
Aliaksandr Valialkin
5c4e111b43 lib/protoparser/graphite: return error when value or timestamp cannot be properly parsed 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/99
 2020-09-16 02:16:13 +03:00
Aliaksandr Valialkin
5cf5a0e8c4 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 14:45:21 +03:00
Aliaksandr Valialkin
8bd5aa3516 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 14:05:24 +03:00
Aliaksandr Valialkin
58d3b82ae5 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 13:28:31 +03:00
Aliaksandr Valialkin
4fa97430d7 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 19:47:02 +03:00
Aliaksandr Valialkin
6aab2f4989 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 17:08:28 +03:00
Aliaksandr Valialkin
d9f7ea1c6e 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 15:38:35 +03:00
Aliaksandr Valialkin
3efa4e4e1c lib/protoparser: move common code for detecting timeouts to ReadLinesBlockExt 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/696
 2020-08-14 20:39:51 +03:00
Aliaksandr Valialkin
c6b0547847 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 20:13:37 +03:00
Aliaksandr Valialkin
b996280c65 app/{vminsert,vmagent}: improve documentation for -influxListenAddr command-line flag 2020-08-14 18:03:08 +03:00
Aliaksandr Valialkin
c82a485cf6 lib/protoparser/prometheus: typo fix in error message 2020-08-14 11:04:15 +03:00
Aliaksandr Valialkin
59d95961b8 lib/protoparser: clarify that the string passed to Unmarshal() function must remain available when the parsed rows are in use 2020-08-11 17:05:21 +03:00
Aliaksandr Valialkin
890cfe5b61 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 20:23:20 +03:00
Aliaksandr Valialkin
76064ba9e7 Perform conversion from string to []byte according to rule #6 at https://golang.org/pkg/unsafe/#Pointer 2020-08-05 11:55:12 +03:00
Aliaksandr Valialkin
f26ef58137 lib/protoparser/prometheus: add a test for cassandra-exporter 
Thanks to Seva
 2020-07-27 18:37:46 +03:00
Aliaksandr Valialkin
a4c96d9e6d lib/protoparser: properly update vm_protoparser_rows_read_total{type="promscrape"} metric 2020-07-14 12:15:56 +03:00
Seva Poliakov
a5e713b6e0
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 12:02:25 +03:00