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Merge pull request #4503 from yandex/fix_kill_query_test

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Fix flap on kill query test
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alexey-milovidov 2019-02-25 21:20:14 +03:00 committed by GitHub
commit e1b9fbd489
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4 changed files with 30 additions and 28 deletions
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1
dbms/tests/queries/0_stateless/00417_kill_query.reference
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@ -1,3 +1,2 @@
SELECT sleep(1) FROM system.numbers LIMIT 4
SELECT sleep(1) FROM system.numbers LIMIT 5
0

27
dbms/tests/queries/0_stateless/00417_kill_query.sh
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@ -19,30 +19,3 @@ $CLICKHOUSE_CLIENT -q "KILL QUERY WHERE 0 ASYNC"
$CLICKHOUSE_CLIENT -q "KILL QUERY WHERE 0 FORMAT TabSeparated"
$CLICKHOUSE_CLIENT -q "KILL QUERY WHERE 0 SYNC FORMAT TabSeparated"
$CLICKHOUSE_CLIENT -q "KILL QUERY WHERE 1 TEST" &>/dev/null
$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test.cannot_kill_query"
$CLICKHOUSE_CLIENT -q "CREATE TABLE test.cannot_kill_query (x UInt64) ENGINE = MergeTree ORDER BY x" &> /dev/null
$CLICKHOUSE_CLIENT -q "INSERT INTO test.cannot_kill_query SELECT * FROM numbers(10000000)" &> /dev/null
query_for_pending="SELECT count() FROM test.cannot_kill_query WHERE NOT ignore(sleep(1)) SETTINGS max_threads=1"
$CLICKHOUSE_CLIENT -q "$query_for_pending" &>/dev/null &
$CLICKHOUSE_CLIENT -q "ALTER TABLE test.cannot_kill_query MODIFY COLUMN x UInt64" &>/dev/null &
query_to_kill="SELECT sum(1) FROM test.cannot_kill_query WHERE NOT ignore(sleep(1)) SETTINGS max_threads=1"
$CLICKHOUSE_CLIENT -q "$query_to_kill" &>/dev/null &
sleep 1 # just to be sure that 'KILL ...' will be executed after 'SELECT ... WHERE NOT ignore(sleep(1))'
$CLICKHOUSE_CLIENT -q "KILL QUERY WHERE query='$query_to_kill'" &>/dev/null &
# 'SELECT ... WHERE NOT ignore(sleep(1))' is executing much longer than 3 secs, so this sleep doesn't fail test logic
# but guarantees to eliminate flaps, when SELECT from system.process is executed before KILL is completed
sleep 3
$CLICKHOUSE_CLIENT -q "SELECT count() FROM system.processes where query='$query_to_kill'"
$CLICKHOUSE_CLIENT -q "KILL QUERY WHERE query='$query_for_pending'" &>/dev/null & # kill pending query
$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test.cannot_kill_query" &>/dev/null

1
dbms/tests/queries/0_stateless/00909_kill_not_initialized_query.reference Normal file
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dbms/tests/queries/0_stateless/00909_kill_not_initialized_query.sh Executable file
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#!/usr/bin/env bash
set -e
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test.cannot_kill_query"
$CLICKHOUSE_CLIENT -q "CREATE TABLE test.cannot_kill_query (x UInt64) ENGINE = MergeTree ORDER BY x" &> /dev/null
$CLICKHOUSE_CLIENT -q "INSERT INTO test.cannot_kill_query SELECT * FROM numbers(10000000)" &> /dev/null
query_for_pending="SELECT count() FROM test.cannot_kill_query WHERE NOT ignore(sleep(1)) SETTINGS max_threads=1, max_block_size=1"
$CLICKHOUSE_CLIENT -q "$query_for_pending" &>/dev/null &
$CLICKHOUSE_CLIENT -q "ALTER TABLE test.cannot_kill_query MODIFY COLUMN x UInt64" &>/dev/null &
query_to_kill="SELECT sum(1) FROM test.cannot_kill_query WHERE NOT ignore(sleep(1)) SETTINGS max_threads=1"
$CLICKHOUSE_CLIENT -q "$query_to_kill" &>/dev/null &
sleep 3 # just to be sure that 'KILL ...' will be executed after 'SELECT ... WHERE NOT ignore(sleep(1))'
timeout 15 $CLICKHOUSE_CLIENT -q "KILL QUERY WHERE query='$query_to_kill' SYNC" &>/dev/null
$CLICKHOUSE_CLIENT -q "SELECT count() FROM system.processes where query='$query_to_kill'"
$CLICKHOUSE_CLIENT -q "KILL QUERY WHERE query='$query_for_pending'" &>/dev/null & # kill pending query
$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test.cannot_kill_query" &>/dev/null