ClickHouse/tests/queries/0_stateless/02676_optimize_old_parts_replicated.sh
2023-03-21 10:46:03 +00:00

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#!/usr/bin/env bash
# Tags: long
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
# Wait for number of parts in table $1 to become $2.
# Print the changed value. If no changes for $3 seconds, prints initial value.
wait_for_number_of_parts() {
for _ in `seq $3`
do
sleep 1
res=`$CLICKHOUSE_CLIENT -q "SELECT count(*) FROM system.parts WHERE database = currentDatabase() AND table='$1' AND active"`
if [ "$res" -eq "$2" ]
then
echo "$res"
return
fi
done
echo "$res"
}
$CLICKHOUSE_CLIENT -nmq "
DROP TABLE IF EXISTS test_without_merge;
DROP TABLE IF EXISTS test_replicated;
SELECT 'Without merge';
CREATE TABLE test_without_merge (i Int64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/test02676_without_merge', 'node') ORDER BY i SETTINGS merge_selecting_sleep_ms=1000;
INSERT INTO test_without_merge SELECT 1;
INSERT INTO test_without_merge SELECT 2;
INSERT INTO test_without_merge SELECT 3;"
wait_for_number_of_parts 'test_without_merge' 1 10
$CLICKHOUSE_CLIENT -nmq "
DROP TABLE test_without_merge;
SELECT 'With merge replicated any part range';
CREATE TABLE test_replicated (i Int64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/test02676', 'node') ORDER BY i
SETTINGS min_age_to_force_merge_seconds=1, merge_selecting_sleep_ms=1000, min_age_to_force_merge_on_partition_only=false;
INSERT INTO test_replicated SELECT 1;
INSERT INTO test_replicated SELECT 2;
INSERT INTO test_replicated SELECT 3;"
wait_for_number_of_parts 'test_replicated' 1 100
$CLICKHOUSE_CLIENT -nmq "
DROP TABLE test_replicated;
SELECT 'With merge replicated partition only';
CREATE TABLE test_replicated (i Int64) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/test02676_partition_only', 'node') ORDER BY i
SETTINGS min_age_to_force_merge_seconds=1, merge_selecting_sleep_ms=1000, min_age_to_force_merge_on_partition_only=true;
INSERT INTO test_replicated SELECT 1;
INSERT INTO test_replicated SELECT 2;
INSERT INTO test_replicated SELECT 3;"
wait_for_number_of_parts 'test_replicated' 1 100
$CLICKHOUSE_CLIENT -nmq "
SELECT sleepEachRow(1) FROM numbers(9) FORMAT Null; -- Sleep for 9 seconds and verify that we keep the old part because it's the only one
SELECT (now() - modification_time) > 5 FROM system.parts WHERE database = currentDatabase() AND table='test_replicated' AND active;
DROP TABLE test_replicated;"