#32239: setup a cache frontend for the blog
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Reporter: anarcat | Owner: anarcat
Type: task | Status: closed
Priority: Medium | Milestone:
Component: Internal Services/Tor Sysadmin Team | Version:
Severity: Normal | Resolution: fixed
Keywords: | Actual Points:
Parent ID: #32090 | Points:
Reviewer: | Sponsor:
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Changes (by anarcat):
* status: merge_ready => closed
* resolution: => fixed
Old description:
> design docs in https://help.torproject.org/tsa/howto/cache/
>
> launch checklist:
>
> 1. alternatives listing and comparison (done)
> 2. deploy a test virtual machine by hand, say `cache-01.tpo` (done)
> 3. benchmark the different alternatives (done, ATS and nginx comparable)
> 4. setup secondary node with Puppet, say `cache-02.tpo` (done)
> 4. validation benchmark against both nodes (done)
> 5. lower DNS to 10 minutes wait an hour (done)
> 6. open firewall (done)
> 7. lower DNS to 3 minutes (done, around 2019-11-05 16:00:00)
> 8. point DNS to caches (done)
> 11. raise DNS back to 1h if all goes well. (done!)
>
> Post launch tasks:
>
> 1. update documentation to fill in information from template
> 2. hit ratio stats in to Prometheus, separate ticket?
> 3. convert existing varnish setups into Nginx (probably requires Puppet
> refactoring), separate ticket?
>
> Disaster recovery:
>
> 1. flip DNS back to backend
New description:
design docs in https://help.torproject.org/tsa/howto/cache/
launch checklist:
1. alternatives listing and comparison (done)
2. deploy a test virtual machine by hand, say `cache-01.tpo` (done)
3. benchmark the different alternatives (done, ATS and nginx comparable)
4. setup secondary node with Puppet, say `cache-02.tpo` (done)
4. validation benchmark against both nodes (done)
5. lower DNS to 10 minutes wait an hour (done)
6. open firewall (done)
7. lower DNS to 3 minutes (done, around 2019-11-05 16:00:00)
8. point DNS to caches (done)
11. raise DNS back to 1h if all goes well. (done!)
Post launch tasks:
1. update documentation to fill in information from template (done)
2. hit ratio stats in to Prometheus, separate ticket? (done, although
missing syslog buffer, see #32461)
3. convert existing varnish setups into Nginx (probably requires Puppet
refactoring, see #32462)
Disaster recovery:
1. flip DNS back to backend
--
Comment:
i think this is done. i split the remaining work in separate tickets:
* syslog buffer for hit stats, see #32461
* convert existing varnish setups into Nginx, see #32462
the docs have been updated as best I could, which about wraps it out:
https://help.torproject.org/tsa/howto/cache/
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32239#comment:21>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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