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title, weight, menu

title

weight

Promscale

docs

parent	identifier	weight
vmctl	vmctl-promscale	7

Promscale supports Prometheus Remote Read API. To migrate historical data from Promscale to VictoriaMetrics use vmctl in remote-read mode.

See the example of migration command below:

./vmctl remote-read \
  --remote-read-src-addr=http://<promscale>:9201/read \
  --remote-read-step-interval=day \
  --vm-addr=http://<victoriametrics>:8428 \
  --remote-read-filter-time-start=2023-08-21T00:00:00Z \
  --remote-read-disable-path-append=true # promscale has custom remote read API HTTP path
Selected time range "2023-08-21 00:00:00 +0000 UTC" - "2023-08-21 14:11:41.561979 +0000 UTC" will be split into 1 ranges according to "day" step. Continue? [Y/n] y
VM worker 0:↙ 82831 samples/s                                                                                                                                                                        
VM worker 1:↙ 54378 samples/s                                                                                                                                                                        
VM worker 2:↙ 121616 samples/s                                                                                                                                                                       
VM worker 3:↙ 59164 samples/s                                                                                                                                                                        
VM worker 4:↙ 59220 samples/s                                                                                                                                                                        
VM worker 5:↙ 102072 samples/s                                                                                                                                                                       
Processing ranges: 1 / 1 [████████████████████████████████████████████████████████████████████████████████████] 100.00%
2023/08/21 16:11:55 Import finished!
2023/08/21 16:11:55 VictoriaMetrics importer stats:
  idle duration: 0s;
  time spent while importing: 14.047045459s;
  total samples: 262111;
  samples/s: 18659.51;
  total bytes: 5.3 MB;
  bytes/s: 376.4 kB;
  import requests: 6;
  import requests retries: 0;
2023/08/21 16:11:55 Total time: 14.063458792s

See how to configure --vm-addr.

Here we specify the full path to Promscale's Remote Read API via --remote-read-src-addr, and disable auto-path appending via --remote-read-disable-path-append cmd-line flags. This is necessary, as Promscale has a different to Prometheus API path. Promscale doesn't support stream mode for Remote Read API, so we disable it via --remote-read-use-stream=false.

Configuration

See remote-read mode for more details.

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Configuration

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