ClickHouse/tests/queries/0_stateless/01603_read_with_backoff_bug.sql

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2021-09-12 12:35:27 +00:00
-- Tags: no-tsan
-- Tag no-tsan: Too long for TSan
2020-12-18 08:34:20 +00:00
drop table if exists t;
create table t (x UInt64, s String) engine = MergeTree order by x;
INSERT INTO t SELECT
number,
if(number < (8129 * 1024), arrayStringConcat(arrayMap(x -> toString(x), range(number % 128)), ' '), '')
FROM numbers_mt((8129 * 1024) * 3) settings max_insert_threads=8;
-- optimize table t final;
select count(), sum(length(s)) from t settings max_threads = 3, read_backoff_min_latency_ms = 1, read_backoff_max_throughput = 1000000000, read_backoff_min_interval_between_events_ms = 1, read_backoff_min_events = 1, read_backoff_min_concurrency = 1;
select count(), sum(length(s)) from t settings max_threads = 3, read_backoff_min_latency_ms = 1, read_backoff_max_throughput = 1000000000, read_backoff_min_interval_between_events_ms = 1, read_backoff_min_events = 1, read_backoff_min_concurrency = 1;
select count(), sum(length(s)) from t settings max_threads = 3, read_backoff_min_latency_ms = 1, read_backoff_max_throughput = 1000000000, read_backoff_min_interval_between_events_ms = 1, read_backoff_min_events = 1, read_backoff_min_concurrency = 1;
drop table if exists t;