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Author SHA1 Message Date
Aliaksandr Valialkin
858746fa6c app/vmselect/promql: gracefully handle duplicate timestamps in irate and rollup_rate funcs 
Previously such timestamps result in `+Inf` results. Now the previous timestamp is used
for the calculations.
 2019-07-03 12:41:30 +03:00
Aliaksandr Valialkin
81da1c7b47 README.md: stylistic updates 2019-07-02 15:57:45 +03:00
Aliaksandr Valialkin
a3abed80ff app/vmselect: do not return empty time series in /api/v1/query result 2019-07-01 17:16:26 +03:00
Aliaksandr Valialkin
6682a35731 lib/memory: attempt #3 to determine memory limit for LXC container 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/84
 2019-07-01 14:01:57 +03:00
Aliaksandr Valialkin
c3c60bee45 app/vmselect: add -search.denyPartialResponse flag for disabling partial responses if some of vmstorage nodes are unavailable 
Also accept `deny_partial_response` query arg in Prometheus API handlers. If it is set to true,
then return error if some of vmstorage nodes are unavailable.
 2019-06-30 01:27:07 +03:00
Aliaksandr Valialkin
60cff62586 deployment: update docker images 2019-06-29 21:25:20 +03:00
Aliaksandr Valialkin
b6ea1a7d5e lib/mergeset: make fmt 2019-06-29 14:25:46 +03:00
Aliaksandr Valialkin
ffc1bb00f6 lib/storage: skip non-matching metricIDs in sortedFilter 
This should improve performance for big sorteFilter lists.
 2019-06-29 13:49:40 +03:00
Aliaksandr Valialkin
2257dcd278 lib/mergeset: speed up binarySearchKey by skipping the first item during binary search 2019-06-29 13:49:32 +03:00
Aliaksandr Valialkin
72a3050c41 app/vmselect/promql: consistency renaming: candlestick -> rollup_candlestick 2019-06-29 03:13:25 +03:00
Aliaksandr Valialkin
6ea12a079e lib/memory: remove TestReadLXCMemoryLimit, since it doesnt work in Travis 2019-06-28 18:23:06 +03:00
Aliaksandr Valialkin
d0732d3137 lib/memory: attempt #2 to determine memory limit inside LXC container 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/84
 2019-06-28 18:08:57 +03:00
Aliaksandr Valialkin
628571a837 README.md: update cluster scheme 2019-06-28 17:54:13 +03:00
Aliaksandr Valialkin
ad436757c3 lib/memory: an attempt to read proper memory limit inside LXC container 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/84
 2019-06-28 15:35:02 +03:00
Aliaksandr Valialkin
c6598a8507 vendor: update github.com/VictoriaMetrics/metrics to v1.6.2 
This fixes Summary printing for *_count and *_sum values with metric names containing labels.
 2019-06-28 14:18:24 +03:00
Aliaksandr Valialkin
4f8cbc0782 vendor: update github.com/VictoriaMetrics/metrics to v1.6.1 2019-06-28 14:06:32 +03:00
Aliaksandr Valialkin
391bc8bf38 app/vmselect: fix 32bit arm build 
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/83
 2019-06-27 19:37:17 +03:00
Aliaksandr Valialkin
2d497c3b8e README.md: add cluster scheme image 2019-06-27 19:23:36 +03:00
Aliaksandr Valialkin
96342f1422 app/vmselect: add candlestick(m[d]) func for returning open, close, low and high rollups on the given time range d 
This function is frequently used in financial apps. See https://en.wikipedia.org/wiki/Candlestick_chart
 2019-06-27 18:46:54 +03:00
Aliaksandr Valialkin
416d27ef11 lib/storage: optimize time series search by regexp filter 
This should improve search speed on label filters like `{foo=~"bar.+baz"}`
 2019-06-27 16:18:00 +03:00
Aliaksandr Valialkin
5850a9ea78 README.md: improve wording on gossip protocol 2019-06-26 23:50:34 +03:00
Aliaksandr Valialkin
05b7cb1d42 README.md: return back the link to unsuccessful attempt to implement Gossip protocol in Thanos 
This link provides good information on gossip fragility
 2019-06-26 23:48:48 +03:00
Jiri Tyr
e7a0bf1a71 Change the default influxMeasurementFieldSeparator 2019-06-26 13:22:54 +03:00
Aliaksandr Valialkin
d5cb9fddd8 app/vminsert: fix inifinite loop when reading two lines without newline in the end 
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/82
 2019-06-26 02:52:56 +03:00
Aliaksandr Valialkin
916d9ef5b3 deployment: update docker images 2019-06-25 21:49:23 +03:00
Aliaksandr Valialkin
4f54bcf90b app/vmselect/promql: suppress error when template func is used inside modifier list. Just leave it as is 
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/78
 2019-06-25 20:43:57 +03:00
Aliaksandr Valialkin
72873f67aa README.md: improve docs for Helm chapter 2019-06-25 20:13:47 +03:00
Aliaksandr Valialkin
ee23a143b9 lib/storage: make sure non-nil args are passed to openIndexDB 2019-06-25 20:10:08 +03:00
Aliaksandr Valialkin
8b0a63722f lib/storage: reduce too big maxMetrics in getTagFilterWithMinMetricIDsCountAdaptive 
This should improve performance on inverted index search for big amount of unique time series
when big -search.maxUniqueTimeseries is set.
 2019-06-25 19:57:31 +03:00
Aliaksandr Valialkin
0263cb0adc lib/storage: free up memory from caches owned by indexDB when it is deleted 2019-06-25 14:41:16 +03:00
Aliaksandr Valialkin
362e187011 lib/storage: use unversioned keys for tag cache in extDB 
Data in ExtDB cannot be changed, so it is OK to use unversioned keys for tag cache.
This should improve performance for index lookups over big amount of time series.
 2019-06-25 13:15:42 +03:00
Aliaksandr Valialkin
51e2f3b48f lib/storage: skip searching in extDB if it doesn't contain items for the given time range 
This should improve inverted index search performance for big amount
of unique time series when the search is performed only on recent data.
 2019-06-25 12:57:56 +03:00
Aliaksandr Valialkin
dbc1e87bac deployment: update docker images 2019-06-24 23:11:03 +03:00
Aliaksandr Valialkin
d0bf4393a9 app/vmselect/promql: increase default value for -search.maxPointsPerTimeSeries from 10k to 30k 
This may be required for subqueries with small steps. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/77
 2019-06-24 22:53:25 +03:00
Aliaksandr Valialkin
334cf253c7 app/vmselect/promql: adjust value returned by linearRegression to the end of time range like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/71
 2019-06-24 22:46:03 +03:00
Aliaksandr Valialkin
14cd628948 app/vmselect/promql: add sum2 and sum2_over_time, geomean and geomean_over_time funcs. 
These functions may be useful for statistic calculations.
 2019-06-24 16:45:00 +03:00
Aliaksandr Valialkin
fb9358635d lib/storage: mention source parts on merge error 
This should improve determining broken source part.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/76
 2019-06-24 14:09:46 +03:00
Aliaksandr Valialkin
0eac538fc8 app/vmselect/promql: adjust the provided window only for range functions with dt in denominator 
This should fix range function calculations such as `changes(m[d])` where `d` is smaller
than the scrape interval.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/72
 2019-06-23 19:27:25 +03:00
Aliaksandr Valialkin
ec57e59154 app/vmselect/promql: use deriv_fast instead of deriv in ttf, since deriv calculations have been changed recently 2019-06-23 15:54:12 +03:00
Aliaksandr Valialkin
516062b162 app/vmselect/promql: adjust ttf calculation, so deriv(freev) for freev=m[d] could be properly calculated 2019-06-23 14:31:36 +03:00
Aliaksandr Valialkin
5ea5ec4f44 vendor: update github.com/valyala/gozstd to v1.5.1 2019-06-22 00:14:11 +03:00
Aliaksandr Valialkin
ef6ca22c1d deployment: update docker images 2019-06-21 23:35:48 +03:00
Aliaksandr Valialkin
a4e040f5ef app/vmselect/promql: typo fixes in comments 2019-06-21 23:22:54 +03:00
Aliaksandr Valialkin
c05d443791 app/vmselect/promql: add deriv_fast function for calculating fast derivative 
`deriv_fast` calculates derivative based on the first and the last point on the interval
instead of calculating linear regression based on all the data points on the interval.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/73
 2019-06-21 23:05:48 +03:00
Aliaksandr Valialkin
98eafdbd58 app/vmselect/promql: use linear regression in deriv func like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/73
 2019-06-21 22:54:34 +03:00
Aliaksandr Valialkin
f334908c22 app/vmselect/promql: ajdust data model to the model used in Prometheus 
Do not take into account data points on the range `[timestamp .. timestamp+step)`
when calculating value on the given `timestamp`.
Use only data points from the past when performing these calculations like Prometheus does.

This should reduce discrepancies between results returned by VictoriaMetrics
and results returned by Prometheus.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/72
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/71
 2019-06-21 21:55:25 +03:00
Aliaksandr Valialkin
0fc4cb67dc deployment: update docker images 2019-06-21 13:39:45 +03:00
Aliaksandr Valialkin
837e349b7d app/vmselect/promql: do not strip __name__ form time series after binary comparison operation 
Example:

  foo > 10

Would leave `foo` name for all the matching time series on the left.
 2019-06-21 13:08:02 +03:00
Aliaksandr Valialkin
9164c223ec all: initial stubs for Windows support; see https://github.com/VictoriaMetrics/VictoriaMetrics/issues/70 2019-06-20 20:07:41 +03:00
Aliaksandr Valialkin
786beb8fc8 Makefile: enable golangci-lint in make check_all 2019-06-20 15:00:58 +03:00