Commit graph

22 commits

Author SHA1 Message Date
Aliaksandr Valialkin
1952ab99aa
all: fix build issues and tests for Apple M1
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1653
2021-10-27 15:06:34 +03:00
Aliaksandr Valialkin
4401464c22 all: add support for Prometheus staleness markers
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1509
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1530
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845
2021-08-13 12:10:17 +03:00
Aliaksandr Valialkin
1187ee5e16 lib/decimal: prevent exponent overflow when processing values close to zero
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1114
2021-03-05 18:52:47 +02:00
Aliaksandr Valialkin
b2aa80e74b app/vmagent: add -remoteWrite.roundDigits command-line option for limiting the number of digits after the point for stored values
This commit also adds --vm-round-digits command-line option to vmctl tool.
2021-02-01 14:27:09 +02:00
Aliaksandr Valialkin
47db9bb24a lib/decimal: add tests for negative values passed to maxUpExponent 2020-10-05 14:56:45 +03:00
Aliaksandr Valialkin
bc7d67cee2 lib/decimal: properly calibrate scale for blocks with Inf values
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/805
2020-10-05 14:52:44 +03:00
Aliaksandr Valialkin
3e8569f456 lib/decimal: optimize maxUpExponent() by eliminating division from hot path 2020-09-19 13:50:09 +03:00
Aliaksandr Valialkin
26115891db lib/decimal: properly store Inf values
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/752
2020-09-18 19:07:07 +03:00
Roman Khavronenko
f5f59896ec
lib/decimal: rename significant decimal digits to significant figures ()
The previous notion was inconsistent with what `decimal.Round` does.
According to [wiki](https://en.wikipedia.org/wiki/Significant_figures) rounding
applied to all significant figures, not just decimal ones.
2020-08-16 17:21:35 +03:00
Aliaksandr Valialkin
31ae5911a8 app/vmagent: add -remoteWrite.decimalPlaces command-line flag, which may be used for reducing disk space usage on the remote storage 2020-07-21 21:55:32 +03:00
Aliaksandr Valialkin
303905cd84 lib/{encoding,decimal}: typo fixes in tests: epxecting->expecting 2020-04-28 00:01:55 +03:00
Aliaksandr Valialkin
5285acae3e lib/decimal: calculate ln2/ln10 constant during compile time 2019-11-23 15:52:58 +02:00
Aliaksandr Valialkin
52d7ca6bf0 lib/decimal: increase decimal->float speed conversion for integer numbers 2019-11-20 13:04:34 +02:00
Aliaksandr Valialkin
75eeea21ee lib/decimal: reduce rounding error when converting from decimal to float with negative exponent
While at it, slightly increase the conversion performance by moving fast path to the top of the loop.
2019-11-19 23:35:33 +02:00
Aliaksandr Valialkin
55d728c849 lib/{decimal,encoding}: optimize float64<->decimal conversion for arrays with zeros or ones
Time series with only zeros or ones frequently occur in monitoring, so it is worth optimizing their handling.
2019-11-01 16:48:12 +02:00
Aliaksandr Valialkin
808fc0971f lib/{encoding,decimal}: add benchmarks for blocks containing zeros or ones
Time series with such values are quite common in monitoring space,
so it would be great to have benchmarks for them.
2019-11-01 16:48:12 +02:00
Aliaksandr Valialkin
e76e21e4c7 lib/decimal: speed up FromFloat for common case with integers 2019-10-31 13:24:59 +02:00
Aliaksandr Valialkin
cfa5e279c2 lib/decimal: increase float64->decimal conversion precision a bit
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/213
2019-10-30 02:04:56 +02:00
Aliaksandr Valialkin
a42b5db39f lib/decimal: increase float->decimal conversion precision for big numbers
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/213
2019-10-28 13:23:44 +02:00
Aliaksandr Valialkin
10caad4728 lib/decimal: modernize tests a bit 2019-07-31 21:10:03 +03:00
Aliaksandr Valialkin
674888fdc9 lib/decimal: add a comment explaining weird code in maxUpExponent. Fixes 2019-05-23 17:18:35 +03:00
Aliaksandr Valialkin
1836c415e6 all: open-sourcing single-node version 2019-05-23 00:18:06 +03:00