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VictoriaMetrics/app/vmselect
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Aliaksandr Valialkin d39bba3547 app/vmselect/promql: add {topk|bottomk}_{min|max|avg|median} aggregate functions for returning the exact k time series on the given time range 
The full list of functions added:
- `topk_min(k, q)` - returns top K time series with the max minimums on the given time range
- `topk_max(k, q)` - returns top K time series with the max maximums on the given time range
- `topk_avg(k, q)` - returns top K time series with the max averages on the given time range
- `topk_median(k, q)` - returns top K time series with the max medians on the given time range
- `bottomk_min(k, q)` - returns bottom K time series with the min minimums on the given time range
- `bottomk_max(k, q)` - returns bottom K time series with the min maximums on the given time range
- `bottomk_avg(k, q)` - returns bottom K time series with the min averages on the given time range
- `bottomk_median(k, q)` - returns bottom K time series with the min medians on the given time range
2019-12-05 19:27:45 +02:00
..
deployment deployment/docker/certs: update TLS certs source from alpine:3.9 to alpine:3.10 2019-11-29 19:55:36 +02:00
netstorage app/vmselect: add vm_per_query_{rows,series}_processed_count histograms 2019-11-23 13:23:03 +02:00
prometheus app/vmselect/prometheus: consistently apply nocache arg to /api/v1/query the same way ast to /api/v1/query_range 2019-11-26 22:55:50 +02:00
promql app/vmselect/promql: add {topk|bottomk}_{min|max|avg|median} aggregate functions for returning the exact k time series on the given time range 2019-12-05 19:27:45 +02:00
main.go app/vmselect: add placeholders for /api/v1/rules and /api/v1/alerts 2019-12-03 19:38:09 +02:00
Makefile all: small updates after PR #114 2019-07-24 17:43:43 +03:00
README.md all: open-sourcing cluster version 2019-05-23 00:25:38 +03:00

README.md

vmselect performs the following tasks:

  • Splits incoming selects to tasks for vmstorage nodes and issues these tasks to all the vmstorage nodes in the cluster.

  • Merges responses from all the vmstorage nodes and returns a single response.