/ Nov 19th, 2020 /

Support for the Prometheus remote write protocol

Interoperability with the Prometheus ecosystem.

We're big fans of Prometheus at Timber, and as an extension of our Kubernetes integration we wanted to better understand how Vector could assist Prometheus operators. As noted in the Kubernetes highlight, it is our intent to be the only tool needed to collect and process all Kubernetes observability data, and working with Prometheus is core to our metrics strategy. As a result, 0.11.0 includes two new components that assist with a variety of Prometheus use cases:

  1. A new prometheus_remote_write source
  2. A new prometheus_remote_write sink

Get Started

Backing up Prometheus data

Using the new prometheus_remote_write source, Prometheus operators can route a stream of Prometheus data to the archiving solution of their choice. For this use case we recommend object stores for their cheap and durable qualtiies:

type = "prometheus_remote_write"
type = "metric_to_log"
inputs = ["prometheus"]
type = "aws_s3"
inputs = ["convert"]

Swap aws_s3 with gcp_cloud_storage or other object stores.

Long-term, highly-available Prometheus setups

For large setups it's common to couple Prometheus with another solution designed for long term storage and querying. This separates the concerns of fast short term querying and long-term low cost archiving.

With the new prometheus_remote_write source, users can only retain near-term data in Prometheus and store long term metrics in databases like M3 (Chronosphere), Victoria metrics, and Timescale.

Using Prometheus as a centralized export proxy

Not using Prometheus? It's very common to use Prometheus as a central proxy for exporting all metrics data. This is especially relevant in ecosystems like Kubernetes where Prometheus is tightly integrated.

To get started, setup the new prometheus_remote_write source and send your metrics to Datadog, New Relic, Influx, Elasticsearch, and more:

type = "prometheus_remote_write"
type = "datadog_metrics"
inputs = ["prometheus"]

This change was made available in 0.11.0. You can get this change by downloading the latest stable release.

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