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Return NS records randomly

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Previously when the NS records were returned, ns-aws was always returned
first. Coincidentally, 64% of the queries were directed to ns-aws. And
once I exceeded AWS's 10 TB bandwidth limit, AWS began gouging me for
bandwidth charges, and $12.66/month rapidly climbed to $62.30

I'm hoping that by randomly rotating the order of nameservers, the
traffic will balance across the nameservers.

Current snapshot (already ns-ovh is helping):

ns-aws.sslip.io
"Queries: 237744377 (1800.6/s)"
"Answered Queries: 63040894 (477.5/s)"

ns-azure.sslip.io
"Queries: 42610823 (323.4/s)"
"Answered Queries: 14660603 (111.3/s)"

ns-gce.sslip.io
"Queries: 59734371 (454.1/s)"
"Answered Queries: 17636444 (134.1/s)"

ns-ovh.sslip.io
"Queries: 135897332 (1034.4/s)"
"Answered Queries: 36010164 (274.1/s)"
This commit is contained in:
Brian Cunnie
2024-09-16 17:39:35 -07:00
parent c4310ebb86
commit 63a2be439e
3 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
integration_flags_test.go
View File

@@ -42,12 +42,13 @@ var _ = Describe("flags", func() {
Expect(err).ToNot(HaveOccurred())
Eventually(digSession).Should(Say(`flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0`))
Eventually(digSession).Should(Say(`;; ANSWER SECTION:`))
Eventually(digSession).Should(Say(`mickey.minnie.\n`))
Eventually(digSession).Should(Say(`daffy.duck.\n`))
Eventually(digSession, 1).Should(Exit(0))
Eventually(string(digSession.Out.Contents())).Should(MatchRegexp(`mickey.minnie.\n`))
Eventually(string(digSession.Out.Contents())).Should(MatchRegexp(`daffy.duck.\n`))
Eventually(string(serverSession.Err.Contents())).Should(MatchRegexp(`Adding nameserver "mickey\.minnie\."\n`))
Eventually(string(serverSession.Err.Contents())).Should(MatchRegexp(`Adding nameserver "daffy\.duck\."\n`))
Eventually(string(serverSession.Err.Contents())).Should(MatchRegexp(`TypeNS example.com. \? mickey\.minnie\., daffy\.duck\.\n`))
// we don't know the order in which the nameservers will be returned, so we try both
Eventually(string(serverSession.Err.Contents())).Should(Or(MatchRegexp(`TypeNS example.com. \? mickey\.minnie\., daffy\.duck\.\n`), MatchRegexp(`TypeNS example.com. \? daffy\.duck\., mickey\.minnie\.\n`)))
})
When("a nameserver is an empty string", func() {
BeforeEach(func() {