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Statement timeout + replica imbalance fix (#122)

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* Statement timeout

* send error message too

* Correct error messages

* Fix replica inbalance

* disable stmt timeout by default

* Redundant mark_bad

* revert healthcheck delay

* tests

* set it to 0

* reload config again
This commit is contained in:
Lev Kokotov
2022-08-13 13:45:58 -07:00
committed by GitHub
parent 52303cc808
commit 3285006440
6 changed files with 77 additions and 7 deletions
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3
.circleci/pgcat.toml
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@@ -91,11 +91,13 @@ password = "sharding_user"
# The maximum number of connection from a single Pgcat process to any database in the cluster
# is the sum of pool_size across all users.
pool_size = 9
statement_timeout = 0
[pools.sharded_db.users.1]
username = "other_user"
password = "other_user"
pool_size = 21
statement_timeout = 30000
# Shard 0
[pools.sharded_db.shards.0]
@@ -133,6 +135,7 @@ sharding_function = "pg_bigint_hash"
username = "simple_user"
password = "simple_user"
pool_size = 5
statement_timeout = 30000
[pools.simple_db.shards.0]
servers = [

12
.circleci/run_tests.sh
View File

@@ -66,6 +66,18 @@ psql -U sharding_user -e -h 127.0.0.1 -p 6432 -f tests/sharding/query_routing_te
# Replica/primary selection & more sharding tests
psql -U sharding_user -e -h 127.0.0.1 -p 6432 -f tests/sharding/query_routing_test_primary_replica.sql > /dev/null
# Statement timeout tests
sed -i 's/statement_timeout = 0/statement_timeout = 100/' .circleci/pgcat.toml
kill -SIGHUP $(pgrep pgcat) # Reload config
sleep 0.2
# This should timeout
(! psql -U sharding_user -e -h 127.0.0.1 -p 6432 -c 'select pg_sleep(0.5)')
# Disable statement timeout
sed -i 's/statement_timeout = 100/statement_timeout = 0/' .circleci/pgcat.toml
kill -SIGHUP $(pgrep pgcat) # Reload config again
#
# ActiveRecord tests
#