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ns-ovh-sg → ns-do-sg; +ns-gce

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We replace `ns-ovh-sg` with `ns-do-sg`; this is a purely financial
decision: `ns-ovh-sg` costs $60/month, $720/year.

`ns-do-sg` (Digital Ocean), is also a Singapore-based DNS server. It's a
basic-regular-2vcpu-4GiB RAM-80GB SSD-4TiB bandwidth for $24/month,
$288/year.

That's a yearly savings of $432.

I had originally overspec'ed the Singapore server because I suspected
that there was a ton of traffic in Asia; I was wrong. It's not even 20%
the traffic of Europe or North America. I am confident the Digital Ocean
server will be able to handle it.

I also reintroduce `ns-gce` as the second server in North America, backing
up `ns-hetzner`. My hope is that `ns-hetzner` carries most of the load,
and `ns-gce` carries the rest, but not so much as to trigger Google
Cloud Platform's (GCP's) expensive bandwidth billing.

| DNS server | Queries / second |
|:-----------|-----------------:|
| ns-hetzner |          10706.4 |
| ns-ovh     |          10802.0 |
| ns-ovh-sg  |           1677.7 |
This commit is contained in:
Brian Cunnie
2025-05-20 11:23:18 -07:00
parent 75fc68005d
commit e5450f579a
7 changed files with 52 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
docs/DEVELOPER.md
View File

@@ -4,8 +4,8 @@ These instructions are meant primarily for me when deploying a new release;
they might not make sense unless you're on my workstation.
```bash
export OLD_VERSION=3.2.6
export VERSION=3.2.7
export OLD_VERSION=3.2.7
export VERSION=3.2.8
cd ~/workspace/sslip.io
git pull -r --autostash
# update the version number for the TXT record for version.status.sslip.io
@@ -41,13 +41,13 @@ Test from another window:
```bash
export DNS_SERVER_IP=127.0.0.1
export VERSION=3.2.7
export VERSION=3.2.8
# quick sanity test
dig +short 127.0.0.1.example.com @$DNS_SERVER_IP
echo 127.0.0.1
# NS ordering might be rotated
dig +short ns example.com @$DNS_SERVER_IP
printf "ns-hetzner.sslip.io.\nns-ovh.sslip.io.\nns-ovh-sg.sslip.io.\n"
printf "ns-do-sg.sslip.io.\nns-gce.sslip.io.\nns-hetzner.sslip.io.\nns-ovh.sslip.io.\n"
dig +short mx example.com @$DNS_SERVER_IP
echo "0 example.com."
dig +short mx sslip.io @$DNS_SERVER_IP
@@ -84,10 +84,14 @@ git ci -vm"$VERSION: -ns-azure, ns-aws → \"blocked\""
git tag $VERSION
git push
git push --tags
scp bin/sslip.io-dns-server-linux-amd64 ns-do-sg:
scp bin/sslip.io-dns-server-linux-amd64 ns-gce:
scp bin/sslip.io-dns-server-linux-amd64 ns-hetzner:
scp bin/sslip.io-dns-server-linux-amd64 ns-ovh:
scp bin/sslip.io-dns-server-linux-amd64 ns-ovh-sg:
ssh ns-do-sg sudo install sslip.io-dns-server-linux-amd64 /usr/bin/sslip.io-dns-server
ssh ns-do-sg sudo shutdown -r now
# check version number:
sleep 10; while ! dig txt @ns-do-sg.sslip.io version.status.sslip.io +short; do sleep 5; done
ssh ns-gce sudo install sslip.io-dns-server-linux-amd64 /usr/bin/sslip.io-dns-server
ssh ns-gce sudo shutdown -r now
# check version number:
@@ -100,10 +104,6 @@ ssh ns-ovh sudo install sslip.io-dns-server-linux-amd64 /usr/bin/sslip.io-dns-se
ssh ns-ovh sudo shutdown -r now
# check version number:
sleep 10; while ! dig txt @ns-ovh.sslip.io version.status.sslip.io +short; do sleep 5; done
ssh ns-ovh-sg sudo install sslip.io-dns-server-linux-amd64 /usr/bin/sslip.io-dns-server
ssh ns-ovh-sg sudo shutdown -r now
# check version number:
sleep 10; while ! dig txt @ns-ovh-sg.sslip.io version.status.sslip.io +short; do sleep 5; done
```
- Browse to <https://github.com/cunnie/sslip.io/releases/new> to draft a new release