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Use Toxiproxy for failover testing (#44)

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* Toxiproxy

* up-to-date config

* debug

* hm

* more

* mroe

* more

* hmm

* aha

* less logs

* cleaner

* hmm

* we test these now

* update readme
This commit is contained in:
Lev Kokotov
2022-02-24 20:55:19 -08:00
committed by GitHub
parent a784883611
commit 6db51b4a11
4 changed files with 158 additions and 17 deletions
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README.md
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@@ -79,8 +79,8 @@ See [sharding README](./tests/sharding/README.md) for sharding logic testing.
| Session pooling | :white_check_mark: | :white_check_mark: | Tested by running pgbench with `--protocol prepared` which only works in session mode. |
| `COPY` | :white_check_mark: | :white_check_mark: | `pgbench -i` uses `COPY`. `COPY FROM` is tested as well. |
| Query cancellation | :white_check_mark: | :white_check_mark: | `psql -c 'SELECT pg_sleep(1000);'` and press `Ctrl-C`. |
| Load balancing | :x: | :white_check_mark: | We could test this by emitting statistics for each replica and compare them. |
| Failover | :x: | :white_check_mark: | Misconfigure a replica in `pgcat.toml` and watch it forward queries to spares. CI testing could include using Toxiproxy. |
| Load balancing | :white_check_mark: | :white_check_mark: | We could test this by emitting statistics for each replica and compare them. |
| Failover | :white_check_mark: | :white_check_mark: | Misconfigure a replica in `pgcat.toml` and watch it forward queries to spares. CI testing is using Toxiproxy. |
| Sharding | :white_check_mark: | :white_check_mark: | See `tests/sharding` and `tests/ruby` for an Rails/ActiveRecord example. |
| Statistics reporting | :x: | :white_check_mark: | Run `nc -l -u 8125` and watch the stats come in every 15 seconds. |
| Live config reloading | :white_check_mark: | :white_check_mark: | Run `kill -s SIGHUP $(pgrep pgcat)` and watch the config reload. |