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Merge pull request #67099 from azat/tests/01246_buffer_flush

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A more precise way of tracking flushing time in 01246_buffer_flush
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Alexey Milovidov 2024-07-26 10:07:41 +00:00 committed by GitHub
commit a9c0e9745d
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1 changed files with 31 additions and 18 deletions
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49
tests/queries/0_stateless/01246_buffer_flush.sh
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@ -5,59 +5,72 @@ CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CUR_DIR"/../shell_config.sh
function elapsed_sec()
set -e
function wait_until()
{
local expr=$1 && shift
local start end
start=$(date +%s.%N)
while ! eval "$expr"; do
sleep 0.5
done
end=$(date +%s.%N)
$CLICKHOUSE_LOCAL -q "select floor($end-$start)"
}
function get_buffer_delay()
{
local buffer_insert_id=$1 && shift
$CLICKHOUSE_CLIENT -nm -q "
SYSTEM FLUSH LOGS;
WITH
(SELECT event_time_microseconds FROM system.query_log WHERE current_database = currentDatabase() AND type = 'QueryStart' AND query_id = '$buffer_insert_id') AS begin_,
(SELECT max(event_time) FROM data_01256) AS end_
SELECT dateDiff('seconds', begin_, end_)::UInt64;
"
}
$CLICKHOUSE_CLIENT -nm -q "
drop table if exists data_01256;
drop table if exists buffer_01256;
create table data_01256 as system.numbers Engine=Memory();
create table data_01256 (key UInt64, event_time DateTime(6) MATERIALIZED now64(6)) Engine=Memory();
"
echo "min"
$CLICKHOUSE_CLIENT -nm -q "
create table buffer_01256 as system.numbers Engine=Buffer(currentDatabase(), data_01256, 1,
$CLICKHOUSE_CLIENT -q "
create table buffer_01256 (key UInt64) Engine=Buffer(currentDatabase(), data_01256, 1,
2, 100, /* time */
4, 100, /* rows */
1, 1e6 /* bytes */
);
insert into buffer_01256 select * from system.numbers limit 5;
select count() from data_01256;
)
"
sec=$(elapsed_sec '[[ $($CLICKHOUSE_CLIENT -q "select count() from data_01256") -eq 5 ]]')
min_query_id=$(random_str 10)
$CLICKHOUSE_CLIENT --query_id="$min_query_id" -q "insert into buffer_01256 select * from system.numbers limit 5"
$CLICKHOUSE_CLIENT -q "select count() from data_01256"
wait_until '[[ $($CLICKHOUSE_CLIENT -q "select count() from data_01256") -eq 5 ]]'
sec=$(get_buffer_delay "$min_query_id")
[[ $sec -ge 2 ]] || echo "Buffer flushed too early, min_time=2, flushed after $sec sec"
[[ $sec -lt 100 ]] || echo "Buffer flushed too late, max_time=100, flushed after $sec sec"
$CLICKHOUSE_CLIENT -q "select count() from data_01256"
$CLICKHOUSE_CLIENT -q "drop table buffer_01256"
echo "max"
$CLICKHOUSE_CLIENT -nm -q "
create table buffer_01256 as system.numbers Engine=Buffer(currentDatabase(), data_01256, 1,
$CLICKHOUSE_CLIENT -q "
create table buffer_01256 (key UInt64) Engine=Buffer(currentDatabase(), data_01256, 1,
100, 2, /* time */
0, 100, /* rows */
0, 1e6 /* bytes */
);
insert into buffer_01256 select * from system.numbers limit 5;
select count() from data_01256;
"
sec=$(elapsed_sec '[[ $($CLICKHOUSE_CLIENT -q "select count() from data_01256") -eq 10 ]]')
max_query_id=$(random_str 10)
$CLICKHOUSE_CLIENT --query_id="$max_query_id" -q "insert into buffer_01256 select * from system.numbers limit 5"
$CLICKHOUSE_CLIENT -q "select count() from data_01256"
wait_until '[[ $($CLICKHOUSE_CLIENT -q "select count() from data_01256") -eq 10 ]]'
sec=$(get_buffer_delay "$max_query_id")
[[ $sec -ge 2 ]] || echo "Buffer flushed too early, max_time=2, flushed after $sec sec"
$CLICKHOUSE_CLIENT -q "select count() from data_01256"
$CLICKHOUSE_CLIENT -q "drop table buffer_01256"
echo "direct"
$CLICKHOUSE_CLIENT -nm -q "
create table buffer_01256 as system.numbers Engine=Buffer(currentDatabase(), data_01256, 1,
create table buffer_01256 (key UInt64) Engine=Buffer(currentDatabase(), data_01256, 1,
100, 100, /* time */
0, 9, /* rows */
0, 1e6 /* bytes */