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https://github.com/ClickHouse/ClickHouse.git
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78 lines
3.8 KiB
Bash
Executable File
78 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# shellcheck disable=SC2154
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unset CLICKHOUSE_LOG_COMMENT
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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check_replicas_read_in_order() {
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# to check this we actually look for at least one log message from MergeTreeInOrderSelectProcessor.
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# hopefully logger's names are a bit more stable than log messages itself
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$CLICKHOUSE_CLIENT -nq "
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SYSTEM FLUSH LOGS;
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SELECT COUNT() > 0
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FROM system.text_log
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WHERE query_id IN (SELECT query_id FROM system.query_log WHERE query_id != '$1' AND initial_query_id = '$1' AND event_date >= yesterday())
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AND event_date >= yesterday() AND logger_name = 'MergeTreeInOrderSelectProcessor'"
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}
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# replicas should use reading in order following initiator's decision to execute aggregation in order.
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# at some point we had a bug in this logic (see https://github.com/ClickHouse/ClickHouse/pull/45892#issue-1566140414)
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test1() {
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query_id="query_id_memory_bound_merging_$RANDOM$RANDOM"
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$CLICKHOUSE_CLIENT --query_id="$query_id" -nq "
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SET cluster_for_parallel_replicas = 'test_cluster_one_shard_three_replicas_localhost';
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SELECT URL, EventDate, max(URL)
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FROM remote(test_cluster_one_shard_two_replicas, test.hits)
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WHERE CounterID = 1704509 AND UserID = 4322253409885123546
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GROUP BY CounterID, URL, EventDate
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ORDER BY URL, EventDate
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LIMIT 5 OFFSET 10
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SETTINGS optimize_aggregation_in_order = 1, enable_memory_bound_merging_of_aggregation_results = 1, allow_experimental_parallel_reading_from_replicas = 1, parallel_replicas_for_non_replicated_merge_tree = 1, max_parallel_replicas = 3, use_hedged_requests = 0"
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check_replicas_read_in_order $query_id
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}
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# replicas should use reading in order following initiator's decision to execute aggregation in order.
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# at some point we had a bug in this logic (see https://github.com/ClickHouse/ClickHouse/pull/45892#issue-1566140414)
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test2() {
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query_id="query_id_memory_bound_merging_$RANDOM$RANDOM"
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$CLICKHOUSE_CLIENT --query_id="$query_id" -nq "
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SET cluster_for_parallel_replicas = 'test_cluster_one_shard_three_replicas_localhost';
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SELECT URL, EventDate, max(URL)
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FROM remote(test_cluster_one_shard_two_replicas, test.hits)
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WHERE CounterID = 1704509 AND UserID = 4322253409885123546
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GROUP BY URL, EventDate
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ORDER BY URL, EventDate
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LIMIT 5 OFFSET 10
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SETTINGS optimize_aggregation_in_order = 1, enable_memory_bound_merging_of_aggregation_results = 1, allow_experimental_parallel_reading_from_replicas = 1, parallel_replicas_for_non_replicated_merge_tree = 1, max_parallel_replicas = 3, use_hedged_requests = 0, query_plan_aggregation_in_order = 1"
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check_replicas_read_in_order $query_id
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}
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test3() {
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$CLICKHOUSE_CLIENT -nq "
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SET cluster_for_parallel_replicas = 'test_cluster_one_shard_three_replicas_localhost';
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SET max_threads = 16, prefer_localhost_replica = 1, read_in_order_two_level_merge_threshold = 1000, query_plan_aggregation_in_order = 1, distributed_aggregation_memory_efficient = 1;
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SELECT replaceRegexpOne(explain, '^ *(\w+).*', '\\1')
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FROM (
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EXPLAIN PIPELINE
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SELECT URL, EventDate, max(URL)
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FROM test.hits
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WHERE CounterID = 1704509 AND UserID = 4322253409885123546
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GROUP BY URL, EventDate
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SETTINGS optimize_aggregation_in_order = 1, enable_memory_bound_merging_of_aggregation_results = 1, allow_experimental_parallel_reading_from_replicas = 1, parallel_replicas_for_non_replicated_merge_tree = 1, max_parallel_replicas = 3, use_hedged_requests = 0
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)
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WHERE explain LIKE '%Aggr%Transform%' OR explain LIKE '%InOrder%'"
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}
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test1
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test2
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test3
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