vmagent is a tiny agent which helps you collect metrics from various sources, relabel and filter the collected metrics and store
Can be used as a drop-in replacement for Prometheus for discovering and scraping targets such as node_exporter. Note that single-node VictoriaMetrics can also discover and scrape Prometheus-compatible targets in the same way as vmagent does.
Can add, remove and modify labels (aka tags) via Prometheus relabeling.
Can filter data before sending it to remote storage.
Can accept data via all the ingestion protocols supported by VictoriaMetrics.
Can aggregate incoming samples by time and by labels before sending them to remote storage.
Can replicate collected metrics simultaneously to multiple Prometheus-compatible remote storage systems.
Can save egress network bandwidth usage costs when VictoriaMetrics remote write protocol is used for sending the data to VictoriaMetrics.
Works smoothly in environments with unstable connections to remote storage. If the remote storage is unavailable, the collected metrics are buffered at -remoteWrite.tmpDataPath. The buffered metrics are sent to remote storage as soon as the connection to the remote storage is repaired. The maximum disk usage for the buffer can be limited with -remoteWrite.maxDiskUsagePerURL.
Uses lower amounts of RAM, CPU, disk IO and network bandwidth than Prometheus.
Scrape targets can be spread among multiple vmagent instances when big number of targets must be scraped.
Can load scrape configs from multiple files.
Can efficiently scrape targets that expose millions of time series such as /federate endpoint in Prometheus.
Can deal with high cardinality and high churn rate issues by limiting the number of unique time series at scrape time and before sending them to remote storage systems.
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Enable snapd
Snap can be installed from the command line on openSUSE Leap 15.x and Tumbleweed.
You need first add the snappy repository from the terminal. Leap 15.5 users, for example, can do this with the following command:
Swap out openSUSE_Leap_15.5 for openSUSE_Leap_15.4 or openSUSE_Tumbleweed if you’re using a different version of openSUSE.
With the repository added, import its GPG key:
sudo zypper --gpg-auto-import-keys refresh
Finally, upgrade the package cache to include the new snappy repository:
sudo zypper dup --from snappy
Snap can now be installed with the following:
sudo zypper install snapd
You then need to either reboot, logout/login or source /etc/profile to have /snap/bin added to PATH.
Additionally, enable and start both the snapd and the snapd.apparmor services with the following commands: