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https://github.com/ClickHouse/ClickHouse.git
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116 lines
4.4 KiB
Bash
Executable File
116 lines
4.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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. $CURDIR/../shell_config.sh
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REPLICAS=5
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for i in `seq $REPLICAS`; do
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_alter_mt_$i"
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done
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for i in `seq $REPLICAS`; do
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$CLICKHOUSE_CLIENT --query "CREATE TABLE concurrent_alter_mt_$i (key UInt64, value1 UInt64, value2 Int32) ENGINE = ReplicatedMergeTree('/clickhouse/tables/concurrent_alter_mt', '$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"
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done
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$CLICKHOUSE_CLIENT --query "INSERT INTO concurrent_alter_mt_1 SELECT number, number + 10, number from numbers(10)"
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$CLICKHOUSE_CLIENT --query "INSERT INTO concurrent_alter_mt_1 SELECT number, number + 10, number from numbers(10, 40)"
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for i in `seq $REPLICAS`; do
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$CLICKHOUSE_CLIENT --query "SYSTEM SYNC REPLICA concurrent_alter_mt_$i"
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done
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for i in `seq $REPLICAS`; do
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$CLICKHOUSE_CLIENT --query "SELECT SUM(value1) FROM concurrent_alter_mt_$i"
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done
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INITIAL_SUM=`$CLICKHOUSE_CLIENT --query "SELECT SUM(value1) FROM concurrent_alter_mt_1"`
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# This alters mostly requires not only metadata change
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# but also conversion of data. Also they are all compatible
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# between each other, so can be executed concurrently.
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function correct_alter_thread()
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{
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TYPES=(Float64 String UInt8 UInt32)
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while true; do
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REPLICA=$(($RANDOM % 5 + 1))
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TYPE=${TYPES[$RANDOM % ${#TYPES[@]} ]}
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$CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_alter_mt_$REPLICA MODIFY COLUMN value1 $TYPE SETTINGS replication_alter_partitions_sync=0"; # additionaly we don't wait anything for more heavy concurrency
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sleep 0.$RANDOM
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done
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}
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# This thread add some data to table. After we finish we can check, that
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# all our data have same types.
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# insert queries will fail sometime because of wrong types.
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function insert_thread()
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{
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VALUES=(7.0 7 '7')
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while true; do
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REPLICA=$(($RANDOM % 5 + 1))
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VALUE=${VALUES[$RANDOM % ${#VALUES[@]} ]}
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$CLICKHOUSE_CLIENT --query "INSERT INTO concurrent_alter_mt_$REPLICA VALUES($RANDOM, $VALUE, $VALUE)"
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sleep 0.$RANDOM
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done
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}
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# Some select load, to be sure, that our selects work in concurrent execution with alters
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function select_thread()
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{
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while true; do
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REPLICA=$(($RANDOM % 5 + 1))
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$CLICKHOUSE_CLIENT --query "SELECT SUM(toUInt64(value1)) FROM concurrent_alter_mt_$REPLICA" 1>/dev/null
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sleep 0.$RANDOM
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done
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}
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echo "Starting alters"
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export -f correct_alter_thread;
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export -f insert_thread;
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export -f select_thread;
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TIMEOUT=30
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# Selects should run successfully
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timeout $TIMEOUT bash -c select_thread &
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timeout $TIMEOUT bash -c select_thread &
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timeout $TIMEOUT bash -c select_thread &
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timeout $TIMEOUT bash -c correct_alter_thread 2> /dev/null &
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timeout $TIMEOUT bash -c correct_alter_thread 2> /dev/null &
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timeout $TIMEOUT bash -c correct_alter_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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timeout $TIMEOUT bash -c insert_thread 2> /dev/null &
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wait
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echo "Finishing alters"
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# This alter will finish all previous, but replica 1 maybe still not up-to-date
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while [[ $(timeout 30 $CLICKHOUSE_CLIENT --query "ALTER TABLE concurrent_alter_mt_1 MODIFY COLUMN value1 String SETTINGS replication_alter_partitions_sync=2" 2>&1) ]]; do
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sleep 1
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done
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for i in `seq $REPLICAS`; do
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$CLICKHOUSE_CLIENT --query "SYSTEM SYNC REPLICA concurrent_alter_mt_$i"
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$CLICKHOUSE_CLIENT --query "SELECT SUM(toUInt64(value1)) > $INITIAL_SUM FROM concurrent_alter_mt_$i"
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$CLICKHOUSE_CLIENT --query "SELECT COUNT() FROM system.mutations WHERE is_done=0 and table = 'concurrent_alter_mt_$i'" # all mutations have to be done
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$CLICKHOUSE_CLIENT --query "SELECT * FROM system.mutations WHERE is_done=0 and table = 'concurrent_alter_mt_$i'"
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$CLICKHOUSE_CLIENT --query "SELECT * FROM system.replication_queue WHERE table = 'concurrent_alter_mt_$i' and (type = 'ALTER_METADATA' or type = 'MUTATE_PART')"
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$CLICKHOUSE_CLIENT --query "DROP TABLE IF EXISTS concurrent_alter_mt_$i"
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done
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