ClickHouse/tests/queries/0_stateless/01193_metadata_loading.sh
2024-02-15 06:11:02 +01:00

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#!/usr/bin/env bash
# Tags: no-tsan, no-asan, no-ubsan, no-msan, no-debug, no-parallel, no-fasttest, no-s3-storage, no-sanitize-coverage
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
# Check that attaching a database with a large number of tables is not too slow.
# it is the worst way of making performance test, nevertheless it can detect significant slowdown and some other issues, that usually found by stress test
db="test_01193_$RANDOM_$RANDOM_$RANDOM_$RANDOM"
tables=1000
threads=10
count_multiplier=1
max_time_ms=1500
create_tables() {
$CLICKHOUSE_CLIENT -q "WITH
'CREATE TABLE $db.table_$1_' AS create1,
' (i UInt64, d Date, s String, n Nested(i UInt8, f Float32)) ENGINE=' AS create2,
['Memory', 'File(CSV)', 'Log', 'StripeLog', 'MergeTree ORDER BY i'] AS engines,
'INSERT INTO $db.table_$1_' AS insert1,
' VALUES (0, ''2020-06-25'', ''hello'', [1, 2], [3, 4]), (1, ''2020-06-26'', ''word'', [10, 20], [30, 40])' AS insert2
SELECT arrayStringConcat(
groupArray(
create1 || toString(number) || create2 || engines[1 + number % length(engines)] || ';\n' ||
insert1 || toString(number) || insert2
), ';\n') FROM numbers($tables) SETTINGS max_bytes_before_external_group_by = 0 FORMAT TSVRaw;" | $CLICKHOUSE_CLIENT -nm
}
$CLICKHOUSE_CLIENT -q "CREATE DATABASE $db"
for i in $(seq 1 $threads); do
create_tables "$i" &
done
wait
$CLICKHOUSE_CLIENT -q "CREATE TABLE $db.table_merge (i UInt64, d Date, s String, n Nested(i UInt8, f Float32)) ENGINE=Merge('$db', '^table_')"
$CLICKHOUSE_CLIENT -q "SELECT count() * $count_multiplier, i, d, s, n.i, n.f FROM merge('$db', '^table_9') GROUP BY i, d, s, n.i, n.f ORDER BY i"
for i in {1..50}; do
$CLICKHOUSE_CLIENT -q "DETACH DATABASE $db"
$CLICKHOUSE_CLIENT --query_profiler_real_time_period_ns=100000000 --query_profiler_cpu_time_period_ns=100000000 -q "ATTACH DATABASE $db" --query_id="$db-$i";
done
$CLICKHOUSE_CLIENT -q "SYSTEM FLUSH LOGS"
durations=$($CLICKHOUSE_CLIENT -q "SELECT groupArray(query_duration_ms) FROM system.query_log WHERE current_database = currentDatabase() AND query_id LIKE '$db-%' AND type=2")
$CLICKHOUSE_CLIENT -q "SELECT 'durations', '$db', $durations FORMAT Null"
$CLICKHOUSE_CLIENT -q "SELECT if(quantile(0.5)(arrayJoin($durations)) < $max_time_ms, 'ok', toString($durations))"
$CLICKHOUSE_CLIENT -q "SELECT count() * $count_multiplier, i, d, s, n.i, n.f FROM $db.table_merge GROUP BY i, d, s, n.i, n.f ORDER BY i"
$CLICKHOUSE_CLIENT -q "DROP DATABASE IF EXISTS $db"