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47 lines
1.6 KiB
Django/Jinja
47 lines
1.6 KiB
Django/Jinja
-- Tags: long, no-tsan, no-parallel, no-random-settings
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-- Tag: no-tsan -- too slow under TSan (~5-6min)
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-- Tag: no-random-settings -- to avoid settings overlaps
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-- Tag: no-parallel -- to reduce test time
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--
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-- Test for testing various read settings.
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drop table if exists data_02051;
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{# check each index_granularity_bytes #}
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{% for index_granularity_bytes in [0, 10 * 1024 * 1024] %}
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create table data_02051 (key Int, value String)
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engine=MergeTree()
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order by key
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settings
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index_granularity_bytes={{ index_granularity_bytes }},
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/* to suppress "Table can't create parts with adaptive granularity, but settings ..." warning */
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min_bytes_for_wide_part=0
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as select number, repeat(toString(number), 5) from numbers(1e6);
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{# check each local_filesystem_read_method #}
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{% for read_method in ['read', 'mmap', 'pread_threadpool', 'pread_fake_async'] %}
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{# check w/ O_DIRECT and w/o (min_bytes_to_use_direct_io) #}
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{% for direct_io in [0, 1] %}
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{# check local_filesystem_read_prefetch (just a smoke test) #}
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{% for prefetch in [0, 1] %}
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{# check read_priority (just a smoke test) #}
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{% for priority in [0, 1] %}
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{# check alignment for O_DIRECT with various max_read_buffer_size #}
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{% for buffer_size in [65505, 1048576] %}
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select count(ignore(*)) from data_02051 settings
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min_bytes_to_use_direct_io={{ direct_io }},
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local_filesystem_read_method='{{ read_method }}',
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local_filesystem_read_prefetch={{ prefetch }},
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read_priority={{ priority }},
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max_read_buffer_size={{ buffer_size }}
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;
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{% endfor %}
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{% endfor %}
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{% endfor %}
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{% endfor %}
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{% endfor %}
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drop table data_02051;
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{# index_granularity_bytes #}
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{% endfor %}
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