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62 lines
1.8 KiB
Bash
Executable File
62 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Tags: long, no-tsan, no-debug, no-asan, no-msan, no-ubsan, no-parallel
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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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# "max_parts_to_merge_at_once = 1" prevents merges to start in background before our own OPTIMIZE FINAL
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$CLICKHOUSE_CLIENT --multiquery -q "
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drop table if exists many_mutations;
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create table many_mutations (x UInt32, y UInt32) engine = MergeTree order by x settings number_of_mutations_to_delay = 0, number_of_mutations_to_throw = 0, max_parts_to_merge_at_once = 1;
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insert into many_mutations select number, number + 1 from numbers(2000);
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system stop merges many_mutations;
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"
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$CLICKHOUSE_CLIENT -q "select count() from many_mutations"
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job()
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{
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for i in {1..1000}
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do
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echo "alter table many_mutations delete where y = ${i} * 2 settings mutations_sync = 0;"
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done | $CLICKHOUSE_CLIENT --multiquery
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}
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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job &
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wait
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# truncate before drop, avoid removing all the mutations (it's slow) in DatabaseCatalog's thread (may affect other tests)
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$CLICKHOUSE_CLIENT --multiquery -q "
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select count() from system.mutations where database = currentDatabase() and table = 'many_mutations' and not is_done;
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system start merges many_mutations;
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optimize table many_mutations final SETTINGS optimize_throw_if_noop = 1;
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system flush logs;
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select count() from system.mutations where database = currentDatabase() and table = 'many_mutations' and not is_done;
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select count() from many_mutations;
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select * from system.part_log where database = currentDatabase() and table == 'many_mutations' and peak_memory_usage > 1e9;
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truncate table many_mutations;
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drop table many_mutations;
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"
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