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chore: disable pg_net processing before running upgrades #1036

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chore: disable pg_net processing before running upgrades #1036

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8 changes: 8 additions & 0 deletions ansible/files/admin_api_scripts/pg_upgrade_scripts/initiate.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -128,6 +128,14 @@ function handle_extensions {
echo "ALTER SYSTEM SET password_encryption = 'md5';" >> $POST_UPGRADE_EXTENSION_SCRIPT
fi

# Persisting pg_net.batch_size setting if it exists, setting it to the default of 200 if it doesn't
PG_NET_BATCH_SIZE_SETTING=$(run_sql -A -t -c "SELECT COALESCE( (SELECT setting from pg_settings where name = 'pg_net.batch_size'), '200')")
echo "ALTER SYSTEM SET pg_net.batch_size = $PG_NET_BATCH_SIZE_SETTING;" >> $POST_UPGRADE_EXTENSION_SCRIPT

# Setting batch_size to zero to disable pg_net requests during upgrade; restarting pg_net worker processes to make setting active
run_sql -c "ALTER SYSTEM SET pg_net.batch_size = 0;"
run_sql -c "SELECT pg_reload_conf(); SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE backend_type ILIKE '%pg_net%';"

cat << EOF >> $POST_UPGRADE_EXTENSION_SCRIPT
ALTER SYSTEM SET jit = off;
SELECT pg_reload_conf();
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