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cmd/derper: stop setting content header in handleBootstrapDNS

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No one really cares. Its cost outweighs its usefulness.

name                   old time/op    new time/op    delta
HandleBootstrapDNS-10     105ns ± 4%      65ns ± 2%   -37.68%  (p=0.000 n=15+14)

name                   old alloc/op   new alloc/op   delta
HandleBootstrapDNS-10      416B ± 0%        0B       -100.00%  (p=0.000 n=15+15)

name                   old allocs/op  new allocs/op  delta
HandleBootstrapDNS-10      3.00 ± 0%      0.00       -100.00%  (p=0.000 n=15+15)

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder 2022-02-11 12:32:00 -08:00 committed by Josh Bleecher Snyder
parent b9c92b90db
commit 60abeb027b
1 changed files with 0 additions and 1 deletions
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1
cmd/derper/bootstrap_dns.go
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@ -57,7 +57,6 @@ func refreshBootstrapDNS() {
func handleBootstrapDNS(w http.ResponseWriter, r *http.Request) {
bootstrapDNSRequests.Add(1)
w.Header().Set("Content-Type", "application/json")
j, _ := dnsCache.Load().([]byte)
w.Write(j)
}