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docs: refresh docs about replication support

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Aliaksandr Valialkin 2020-05-27 17:47:55 +03:00
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README.md
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@ -1000,11 +1000,14 @@ for data with timestamps close to the current time.
### Replication
VictoriaMetrics relies on replicated durable persistent storage such as [Google Cloud disks](https://cloud.google.com/compute/docs/disks#pdspecs)
Single-node VictoriaMetrics relies on replicated durable persistent storage such as [Google Cloud disks](https://cloud.google.com/compute/docs/disks#pdspecs)
or [Amazon EBS](https://aws.amazon.com/ebs/). It is also recommended making periodic backups,
since [replication doesn't save from disaster](https://medium.com/@valyala/speeding-up-backups-for-big-time-series-databases-533c1a927883).
See [backup docs](#backups) for details.
Cluster version of VictoriaMetrics supports replication. See [these docs](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/cluster/README.md#replication-and-data-safety)
for details.
See also [high availability docs](#high-availability) and [docs about cluster version of VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/cluster/README.md).

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docs/CaseStudies.md
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@ -231,7 +231,7 @@ Such a scheme has the following benefits comparing to Prometheus:
Cons are the following:
- VictoriaMetrics doesn't support replication - we run extra instance of VictoriaMetrics and Promxy in front of VictoriaMetrics pair for high availability.
- VictoriaMetrics didn't support replication (it [supports replication now](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/cluster/README.md#replication-and-data-safety)) - we run extra instance of VictoriaMetrics and Promxy in front of VictoriaMetrics pair for high availability.
- VictoriaMetrics stores 1 extra month for defined retention (if retention is set to N months, then VM stores N+1 months of data), but this is still better than other solutions.
Some numbers from our single-node VictoriaMetrics setup:

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docs/FAQ.md
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@ -136,6 +136,8 @@ Yes:
* [TSBS benchmark on high-cardinality time series: VictoriaMetrics vs InfluxDB vs TimescaleDB](https://medium.com/@valyala/high-cardinality-tsdb-benchmarks-victoriametrics-vs-timescaledb-vs-influxdb-13e6ee64dd6b)
* [Standard TSBS benchmark: VictoriaMetrics vs InfluxDB vs TimescaleDB](https://medium.com/@valyala/when-size-matters-benchmarking-victoriametrics-vs-timescale-and-influxdb-6035811952d4)
See also [other articles about VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics/wiki/Articles).
### What is the pricing for VictoriaMetrics?
@ -145,11 +147,11 @@ The following versions are open source and free:
We provide commercial support for both versions. [Contact us](mailto:info@victoriametrics.com) for the pricing.
The following versions are commercial:
The following commercial versions of VictoriaMetrics are planned:
* Managed cluster in the Cloud.
* SaaS version.
[Contact us](mailto:info@victoriametrics.com) for the pricing.
[Contact us](mailto:info@victoriametrics.com) for more information and for the pricing.
### Why VictoriaMetrics doesn't support [Prometheus remote read API](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#%3Cremote_read%3E)?
@ -168,6 +170,11 @@ or via [Prometheus datasource in Grafana](http://docs.grafana.org/features/datas
Yes. See [these docs](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#deduplication) for details.
### Does VictoriaMetrics support replication?
Yes. See [these docs](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/cluster/README.md#replication-and-data-safety) for details.
### Where is the source code of VictoriaMetrics?
Source code for the following versions is available in the following places:

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docs/Single-server-VictoriaMetrics.md
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@ -1000,11 +1000,14 @@ for data with timestamps close to the current time.
### Replication
VictoriaMetrics relies on replicated durable persistent storage such as [Google Cloud disks](https://cloud.google.com/compute/docs/disks#pdspecs)
Single-node VictoriaMetrics relies on replicated durable persistent storage such as [Google Cloud disks](https://cloud.google.com/compute/docs/disks#pdspecs)
or [Amazon EBS](https://aws.amazon.com/ebs/). It is also recommended making periodic backups,
since [replication doesn't save from disaster](https://medium.com/@valyala/speeding-up-backups-for-big-time-series-databases-533c1a927883).
See [backup docs](#backups) for details.
Cluster version of VictoriaMetrics supports replication. See [these docs](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/cluster/README.md#replication-and-data-safety)
for details.
See also [high availability docs](#high-availability) and [docs about cluster version of VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/cluster/README.md).