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https://github.com/ClickHouse/ClickHouse.git
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71 lines
2.7 KiB
Bash
Executable File
71 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_mutate_kill"
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$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"
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$CLICKHOUSE_CLIENT --query "INSERT INTO concurrent_mutate_kill SELECT number, toString(number) FROM numbers(1000000)"
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function alter_thread
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{
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while true; do
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TYPE=$($CLICKHOUSE_CLIENT --query "SELECT type FROM system.columns WHERE table='concurrent_mutate_kill' and database='${CLICKHOUSE_DATABASE}' and name='value'")
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if [ "$TYPE" == "String" ]; then
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$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value UInt64 SETTINGS replication_alter_partitions_sync=2"
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else
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$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value String SETTINGS replication_alter_partitions_sync=2"
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fi
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done
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}
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function kill_mutation_thread
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{
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while true; do
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# find any mutation and kill it
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mutation_id=$($CLICKHOUSE_CLIENT --query "SELECT mutation_id FROM system.mutations WHERE is_done=0 and database='${CLICKHOUSE_DATABASE}' and table='concurrent_mutate_kill' LIMIT 1")
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if [ ! -z "$mutation_id" ]; then
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$CLICKHOUSE_CLIENT --query "KILL MUTATION WHERE mutation_id='$mutation_id'" 1> /dev/null
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sleep 1
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fi
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done
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}
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export -f alter_thread;
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export -f kill_mutation_thread;
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TIMEOUT=30
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timeout $TIMEOUT bash -c alter_thread 2> /dev/null &
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timeout $TIMEOUT bash -c kill_mutation_thread 2> /dev/null &
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wait
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$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
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# we use retries
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counter=0
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while true; do
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if $CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_mutate_kill MODIFY COLUMN value Int64 SETTINGS replication_alter_partitions_sync=2" 2> /dev/null ; then
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break
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fi
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if [ "$counter" -gt 120 ]
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then
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break
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fi
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sleep 0.5
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counter=$(($counter + 1))
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done
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$CLICKHOUSE_CLIENT --query "SHOW CREATE TABLE concurrent_mutate_kill"
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$CLICKHOUSE_CLIENT --query "OPTIMIZE TABLE concurrent_mutate_kill FINAL"
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$CLICKHOUSE_CLIENT --query "SELECT sum(value) FROM concurrent_mutate_kill"
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_mutate_kill"
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