ClickHouse/tests/queries/0_stateless/01593_concurrent_alter_mutations_kill.sh

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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_mutate_kill"
$CLICKHOUSE_CLIENT --query "CREATE TABLE concurrent_mutate_kill (key UInt64, value String) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_01593/concurrent_mutate_kill', '1') ORDER BY key PARTITION BY key % 100 SETTINGS max_replicated_mutations_in_queue=1000, number_of_free_entries_in_pool_to_execute_mutation=0,max_replicated_merges_in_queue=1000"
$CLICKHOUSE_CLIENT --query "INSERT INTO concurrent_mutate_kill SELECT number, toString(number) FROM numbers(1000000)"
function alter_thread
{
while true; do
TYPE=$($CLICKHOUSE_CLIENT --query "SELECT type FROM system.columns WHERE table='concurrent_mutate_kill' and database='${CLICKHOUSE_DATABASE}' and name='value'")
if [ "$TYPE" == "String" ]; then
$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value UInt64 SETTINGS replication_alter_partitions_sync=2"
else
$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value String SETTINGS replication_alter_partitions_sync=2"
fi
done
}
function kill_mutation_thread
{
while true; do
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# find any mutation and kill it
mutation_id=$($CLICKHOUSE_CLIENT --query "SELECT mutation_id FROM system.mutations WHERE is_done=0 and database='${CLICKHOUSE_DATABASE}' and table='concurrent_mutate_kill' LIMIT 1")
if [ ! -z "$mutation_id" ]; then
$CLICKHOUSE_CLIENT --query "KILL MUTATION WHERE mutation_id='$mutation_id'" 1> /dev/null
sleep 1
fi
done
}
export -f alter_thread;
export -f kill_mutation_thread;
TIMEOUT=30
timeout $TIMEOUT bash -c alter_thread 2> /dev/null &
timeout $TIMEOUT bash -c kill_mutation_thread 2> /dev/null &
wait
$CLICKHOUSE_CLIENT --query "SYSTEM SYNC REPLICA concurrent_mutate_kill"
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# with timeout alter query can be not finished yet, so to execute new alter
# we use retries
counter=0
while true; do
if $CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value Int64 SETTINGS replication_alter_partitions_sync=2" 2> /dev/null ; then
break
fi
if [ "$counter" -gt 120 ]
then
break
fi
sleep 0.5
counter=$(($counter + 1))
done
$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE concurrent_mutate_kill"
$CLICKHOUSE_CLIENT --query "OPTIMIZE TABLE concurrent_mutate_kill FINAL"
$CLICKHOUSE_CLIENT --query "SELECT sum(value) FROM concurrent_mutate_kill"
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_mutate_kill"