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de9c357284
Only add innodb_async_reads/writes_total_count here. For all other counters, writing reproducible tests is rather tricky.
62 lines
2.2 KiB
Plaintext
62 lines
2.2 KiB
Plaintext
SET GLOBAL innodb_buffer_pool_dump_pct=100;
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CREATE TABLE ib_bp_test
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(a INT AUTO_INCREMENT, b VARCHAR(64), c TEXT, PRIMARY KEY (a), KEY (b, c(128)))
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ENGINE=INNODB;
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SELECT PAGE_NUMBER FROM information_schema.innodb_buffer_page_lru
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WHERE table_name = '`test`.`ib_bp_test`';
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PAGE_NUMBER
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3
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4
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SELECT SPACE INTO @space FROM information_schema.innodb_buffer_page_lru
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WHERE table_name = '`test`.`ib_bp_test`' AND PAGE_NUMBER=3;
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INSERT INTO ib_bp_test
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SELECT NULL, REPEAT('b', 64), REPEAT('c', 256) FROM seq_1_to_16382;
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SELECT COUNT(*) FROM information_schema.innodb_buffer_page_lru
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WHERE table_name = '`test`.`ib_bp_test`';
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COUNT(*)
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596
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SET GLOBAL innodb_buffer_pool_dump_now = ON;
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SET GLOBAL innodb_fast_shutdown=0;
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# restart
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SELECT PAGE_NUMBER FROM information_schema.innodb_buffer_page_lru
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WHERE table_name = '`test`.`ib_bp_test`';
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PAGE_NUMBER
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select count(*) from ib_bp_test LIMIT 0;
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count(*)
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select variable_value into @innodb_async_reads_total_count_before
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from information_schema.global_status
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where variable_name='innodb_async_reads_total_count';
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SET GLOBAL innodb_buffer_pool_load_now = ON;
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SELECT variable_value
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FROM information_schema.global_status
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WHERE LOWER(variable_name) = 'innodb_buffer_pool_load_status';
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variable_value
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Buffer pool(s) load completed at TIMESTAMP_NOW
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select (cast(variable_value as unsigned) >
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cast(@innodb_async_reads_total_count_before as unsigned))
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as async_reads_grow
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from information_schema.global_status where variable_name='innodb_async_reads_total_count';
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async_reads_grow
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1
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SELECT COUNT(*) FROM information_schema.innodb_buffer_page_lru
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WHERE table_name = '`test`.`ib_bp_test`';
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COUNT(*)
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596
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call mtr.add_suppression("InnoDB: Error parsing");
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SET GLOBAL innodb_buffer_pool_load_now = ON;
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# Re-write some valid pages to the dump file, make sure the space
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# should be valid but all the page no should be out of bound of the file
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# restart
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SET GLOBAL innodb_buffer_pool_load_now = ON;
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SELECT variable_value
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FROM information_schema.global_status
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WHERE LOWER(variable_name) = 'innodb_buffer_pool_load_status';
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variable_value
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Buffer pool(s) load completed at TIMESTAMP_NOW
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DROP TABLE ib_bp_test;
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SET GLOBAL innodb_buffer_pool_dump_pct=default;
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#
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# Bug#21371070 [ERROR] INNODB: CANNOT ALLOCATE 0 BYTES: SUCCESS
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#
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SET GLOBAL innodb_buffer_pool_load_now = ON;
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