Hi all！
I use Prometheus to scrape the machine. There are about 500 service
machines, and each machine generates about 3500 sample data. When I use the
federate interface, I find Prometheus adds instance and job labels to data
from different machines. So there are 500 * 3500 = 1750000 sample data.
This results in very large memory for queries and writes. I don't care
about the data on the single machine dimension. Is there any way to remove
the instance label and aggregate data before data writing?
for example:
http_requests_total{methed="GET", code="200", instance="ip1:port", job=
"job1"} 100
http_requests_total{methed="GET", code="200", instance="ip2:port", job=
"job1"} 50
merge to:
http_requests_total{methed="GET", code="200", instance="", job="job1"} 150
Has anyone ever encountered the same problem, how did you solve it or any
other solution?
Thx!
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