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Avoid sending Z packet in the middle of extended protocol packet sequence if we fail to get connection from pool (#137)

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* Failing test

* maybe

* try fail

* try

* add message

* pool size

* correct user

* more

* debug

* try fix

* see stdout

* stick?

* fix configs

* modify

* types

* m

* maybe

* make tests idempotent

* hopefully fails

* Add client fix

* revert pgcat.toml change

* Fix tests
This commit is contained in:
Mostafa Abdelraouf
2022-08-23 13:02:23 -05:00
committed by GitHub
parent 5a0cea6a24
commit c054ff068d
3 changed files with 106 additions and 30 deletions
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9
.circleci/run_tests.sh
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@@ -19,8 +19,8 @@ PGPASSWORD=sharding_user pgbench -h 127.0.0.1 -U sharding_user shard1 -i
PGPASSWORD=sharding_user pgbench -h 127.0.0.1 -U sharding_user shard2 -i
# Install Toxiproxy to simulate a downed/slow database
wget -O toxiproxy-2.1.4.deb https://github.com/Shopify/toxiproxy/releases/download/v2.1.4/toxiproxy_2.1.4_amd64.deb
sudo dpkg -i toxiproxy-2.1.4.deb
wget -O toxiproxy-2.4.0.deb https://github.com/Shopify/toxiproxy/releases/download/v2.4.0/toxiproxy_2.4.0_linux_$(dpkg --print-architecture).deb
sudo dpkg -i toxiproxy-2.4.0.deb
# Start Toxiproxy
toxiproxy-server &
@@ -129,11 +129,14 @@ toxiproxy-cli toxic remove --toxicName latency_downstream postgres_replica
start_pgcat "info"
# Test session mode (and config reload)
sed -i 's/pool_mode = "transaction"/pool_mode = "session"/' .circleci/pgcat.toml
sed -i '0,/simple_db/s/pool_mode = "transaction"/pool_mode = "session"/' .circleci/pgcat.toml
# Reload config test
kill -SIGHUP $(pgrep pgcat)
# Revert settings after reload. Makes test runs idempotent
sed -i '0,/simple_db/s/pool_mode = "session"/pool_mode = "transaction"/' .circleci/pgcat.toml
sleep 1
# Prepared statements that will only work in session mode