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cmd/prometheus: Issue a warning on 32 bit archs (#8012)

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* cmd/prometheus: Issue a warning on 32 bit archs

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
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Julien Pivotto 2020-10-06 21:42:56 +02:00 committed by GitHub
parent 924ce978b7
commit 946819e16e
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1 changed files with 5 additions and 0 deletions
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5
cmd/prometheus/main.go
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@ -19,6 +19,7 @@ import (
"fmt"
"io"
"math"
"math/bits"
"net"
"net/http"
_ "net/http/pprof" // Comment this line to disable pprof endpoint.
@ -344,6 +345,10 @@ func main() {
klog.SetLogger(log.With(logger, "component", "k8s_client_runtime"))
level.Info(logger).Log("msg", "Starting Prometheus", "version", version.Info())
if bits.UintSize < 64 {
level.Warn(logger).Log("msg", "This Prometheus binary has not been compiled for a 64-bit architecture. Due to virtual memory constraints of 32-bit systems, it is highly recommended to switch to a 64-bit binary of Prometheus.", "GOARCH", runtime.GOARCH)
}
level.Info(logger).Log("build_context", version.BuildContext())
level.Info(logger).Log("host_details", prom_runtime.Uname())
level.Info(logger).Log("fd_limits", prom_runtime.FdLimits())