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Merge pull request #67176 from ClickHouse/fix_02908_many_requests_to_system_replicas

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Make 02908_many_requests_to_system_replicas less stressful
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Alexander Gololobov 2024-07-26 13:31:53 +00:00 committed by GitHub
commit 35d1e98642
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2 changed files with 15 additions and 15 deletions
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14
tests/queries/0_stateless/02908_many_requests_to_system_replicas.reference
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@ -1,10 +1,10 @@
Creating 300 tables
900 1 1
900 1 1
900 1 1
900 1 1
Making 200 requests to system.replicas
Creating 50 tables
150 1 1
150 1 1
150 1 1
150 1 1
Making 100 requests to system.replicas
Query system.replicas while waiting for other concurrent requests to finish
0
900
150
1

16
tests/queries/0_stateless/02908_many_requests_to_system_replicas.sh
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@ -7,8 +7,8 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
set -e
NUM_TABLES=300
CONCURRENCY=200
NUM_TABLES=50
CONCURRENCY=100
echo "Creating $NUM_TABLES tables"
@ -46,10 +46,10 @@ wait;
# Check results with different max_block_size
$CLICKHOUSE_CLIENT -q 'SELECT count(), sum(total_replicas) >= 2700, sum(active_replicas) >= 2700 FROM system.replicas WHERE database=currentDatabase()'
$CLICKHOUSE_CLIENT -q 'SELECT count(), sum(total_replicas) >= 2700, sum(active_replicas) >= 2700 FROM system.replicas WHERE database=currentDatabase() SETTINGS max_block_size=1'
$CLICKHOUSE_CLIENT -q 'SELECT count(), sum(total_replicas) >= 2700, sum(active_replicas) >= 2700 FROM system.replicas WHERE database=currentDatabase() SETTINGS max_block_size=77'
$CLICKHOUSE_CLIENT -q 'SELECT count(), sum(total_replicas) >= 2700, sum(active_replicas) >= 2700 FROM system.replicas WHERE database=currentDatabase() SETTINGS max_block_size=11111'
$CLICKHOUSE_CLIENT -q 'SELECT count() as c, sum(total_replicas) >= 3*c, sum(active_replicas) >= 3*c FROM system.replicas WHERE database=currentDatabase()'
$CLICKHOUSE_CLIENT -q 'SELECT count() as c, sum(total_replicas) >= 3*c, sum(active_replicas) >= 3*c FROM system.replicas WHERE database=currentDatabase() SETTINGS max_block_size=1'
$CLICKHOUSE_CLIENT -q 'SELECT count() as c, sum(total_replicas) >= 3*c, sum(active_replicas) >= 3*c FROM system.replicas WHERE database=currentDatabase() SETTINGS max_block_size=77'
$CLICKHOUSE_CLIENT -q 'SELECT count() as c, sum(total_replicas) >= 3*c, sum(active_replicas) >= 3*c FROM system.replicas WHERE database=currentDatabase() SETTINGS max_block_size=11111'
echo "Making $CONCURRENCY requests to system.replicas"
@ -70,8 +70,8 @@ wait;
$CLICKHOUSE_CLIENT -nq "
SYSTEM FLUSH LOGS;
-- without optimisation there are ~350K zk requests
SELECT sum(ProfileEvents['ZooKeeperTransactions']) < 30000
-- Check that number of ZK request is less then a half of (total replicas * concurrency)
SELECT sum(ProfileEvents['ZooKeeperTransactions']) < (${NUM_TABLES} * 3 * ${CONCURRENCY} / 2)
FROM system.query_log
WHERE current_database=currentDatabase() AND log_comment='02908_many_requests';
"