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Fix kill mutation on concurrent alter queries

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This commit is contained in:
alesapin 2020-11-27 18:46:52 +03:00
parent 875a0a04eb
commit 6567796014
5 changed files with 154 additions and 0 deletions
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5
src/Storages/MergeTree/ReplicatedMergeTreeQueue.cpp
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@ -655,6 +655,11 @@ void ReplicatedMergeTreeQueue::updateMutations(zkutil::ZooKeeperPtr zookeeper, C
{
LOG_DEBUG(log, "Removing killed mutation {} from local state.", entry.znode_name);
some_active_mutations_were_killed = true;
if (entry.isAlterMutation())
{
LOG_DEBUG(log, "Removed alter {} because mutation {} were killed.", entry.alter_version, entry.znode_name);
alter_sequence.finishDataAlter(entry.alter_version, state_lock);
}
}
else
LOG_DEBUG(log, "Removing obsolete mutation {} from local state.", entry.znode_name);

2
tests/queries/0_stateless/01593_concurrent_alter_mutations_kill.reference Normal file
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@ -0,0 +1,2 @@
CREATE TABLE default.concurrent_mutate_kill\n(\n `key` UInt64,\n `value` Int64\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/test_01593/concurrent_mutate_kill\', \'1\')\nPARTITION BY key % 100\nORDER BY key\nSETTINGS max_replicated_mutations_in_queue = 1000, number_of_free_entries_in_pool_to_execute_mutation = 0, max_replicated_merges_in_queue = 1000, index_granularity = 8192
499999500000

52
tests/queries/0_stateless/01593_concurrent_alter_mutations_kill.sh Executable file
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@ -0,0 +1,52 @@
#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. "$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
$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value String SETTINGS replication_alter_partitions_sync=2"
fi
done
}
function kill_mutation_thread
{
while true; do
mutation_id=$($CLICKHOUSE_CLIENT --query "SELECT mutation_id FROM system.mutations WHERE is_done=0 and database='${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"
$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value Int64 SETTINGS replication_alter_partitions_sync=2"
$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"

16
tests/queries/0_stateless/01593_concurrent_alter_mutations_kill_many_replicas.reference Normal file
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@ -0,0 +1,16 @@
499999500000
499999500000
499999500000
499999500000
499999500000
Metadata version on replica 1 equal with first replica, OK
CREATE TABLE default.concurrent_kill_1\n(\n `key` UInt64,\n `value` Int64\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/test_01593_concurrent_kill\', \'1\')\nORDER BY key\nSETTINGS max_replicated_mutations_in_queue = 1000, number_of_free_entries_in_pool_to_execute_mutation = 0, max_replicated_merges_in_queue = 1000, index_granularity = 8192
Metadata version on replica 2 equal with first replica, OK
CREATE TABLE default.concurrent_kill_2\n(\n `key` UInt64,\n `value` Int64\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/test_01593_concurrent_kill\', \'2\')\nORDER BY key\nSETTINGS max_replicated_mutations_in_queue = 1000, number_of_free_entries_in_pool_to_execute_mutation = 0, max_replicated_merges_in_queue = 1000, index_granularity = 8192
Metadata version on replica 3 equal with first replica, OK
CREATE TABLE default.concurrent_kill_3\n(\n `key` UInt64,\n `value` Int64\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/test_01593_concurrent_kill\', \'3\')\nORDER BY key\nSETTINGS max_replicated_mutations_in_queue = 1000, number_of_free_entries_in_pool_to_execute_mutation = 0, max_replicated_merges_in_queue = 1000, index_granularity = 8192
Metadata version on replica 4 equal with first replica, OK
CREATE TABLE default.concurrent_kill_4\n(\n `key` UInt64,\n `value` Int64\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/test_01593_concurrent_kill\', \'4\')\nORDER BY key\nSETTINGS max_replicated_mutations_in_queue = 1000, number_of_free_entries_in_pool_to_execute_mutation = 0, max_replicated_merges_in_queue = 1000, index_granularity = 8192
Metadata version on replica 5 equal with first replica, OK
CREATE TABLE default.concurrent_kill_5\n(\n `key` UInt64,\n `value` Int64\n)\nENGINE = ReplicatedMergeTree(\'/clickhouse/tables/test_01593_concurrent_kill\', \'5\')\nORDER BY key\nSETTINGS max_replicated_mutations_in_queue = 1000, number_of_free_entries_in_pool_to_execute_mutation = 0, max_replicated_merges_in_queue = 1000, index_granularity = 8192
499999500000

79
tests/queries/0_stateless/01593_concurrent_alter_mutations_kill_many_replicas.sh Executable file
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@ -0,0 +1,79 @@
#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. "$CURDIR"/../shell_config.sh
REPLICAS=5
for i in $(seq $REPLICAS); do
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_kill_$i"
done
for i in $(seq $REPLICAS); do
$CLICKHOUSE_CLIENT --query "CREATE TABLE concurrent_kill_$i (key UInt64, value String) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test_01593_concurrent_kill', '$i') ORDER BY key SETTINGS max_replicated_mutations_in_queue=1000, number_of_free_entries_in_pool_to_execute_mutation=0,max_replicated_merges_in_queue=1000"
done
$CLICKHOUSE_CLIENT --query "INSERT INTO concurrent_kill_1 SELECT number, toString(number) FROM numbers(1000000)"
for i in $(seq $REPLICAS); do
$CLICKHOUSE_CLIENT --query "SYSTEM SYNC REPLICA concurrent_kill_$i"
$CLICKHOUSE_CLIENT --query "SELECT sum(toUInt64(value)) FROM concurrent_kill_$i"
done
function alter_thread
{
while true; do
REPLICA=$(($RANDOM % 5 + 1))
TYPE=$($CLICKHOUSE_CLIENT --query "SELECT type FROM system.columns WHERE table='concurrent_kill_$REPLICA' and database='${CLICKHOUSE_DATABASE}' and name='value'")
if [ "$TYPE" == "String" ]; then
$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_kill_$REPLICA MODIFY COLUMN value UInt64 SETTINGS replication_alter_partitions_sync=2"
else
$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_kill_$REPLICA MODIFY COLUMN value String SETTINGS replication_alter_partitions_sync=2"
fi
done
}
function kill_mutation_thread
{
while true; do
mutation_id=$($CLICKHOUSE_CLIENT --query "SELECT mutation_id FROM system.mutations WHERE is_done = 0 and table like 'concurrent_kill_%' and database='${CLICKHOUSE_DATABASE}' LIMIT 1")
if [ ! -z "$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
for i in $(seq $REPLICAS); do
$CLICKHOUSE_CLIENT --query "SYSTEM SYNC REPLICA concurrent_kill_$i"
done
$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_kill_$i MODIFY COLUMN value Int64 SETTINGS replication_alter_partitions_sync=2"
metadata_version=$($CLICKHOUSE_CLIENT --query "SELECT value FROM system.zookeeper WHERE path = '/clickhouse/tables/test_01593_concurrent_kill/replicas/$i/' and name = 'metadata_version'")
for i in $(seq $REPLICAS); do
replica_metadata_version=$($CLICKHOUSE_CLIENT --query "SELECT value FROM system.zookeeper WHERE path = '/clickhouse/tables/test_01593_concurrent_kill/replicas/$i/' and name = 'metadata_version'")
if [ "$metadata_version" != "$replica_metadata_version" ]; then
echo "Metadata version on replica $i differs from the first replica, FAIL"
else
echo "Metadata version on replica $i equal with first replica, OK"
fi
$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE concurrent_kill_$i"
done
$CLICKHOUSE_CLIENT --query "SELECT sum(value) FROM concurrent_kill_1"
for i in $(seq $REPLICAS); do
$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_kill_$i"
done