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86e0a73eaa
The file wait_innodb_all_purged.inc waited for InnoDB purge in a way that only worked in debug builds. The file wait_all_purged.inc provides a better mechanism.
111 lines
3.9 KiB
PHP
111 lines
3.9 KiB
PHP
#
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# Test to cause merge of the pages (by deleting)
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# test/tab1 should be created already with innodb_file_per_table=ON
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# The definition is intended to be based on
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# "create table tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB;"
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#
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--source include/have_innodb.inc
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--source include/have_innodb_16k.inc
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# turn on flags
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--disable_query_log
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SET GLOBAL innodb_monitor_enable=index_page_merge_attempts;
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SET GLOBAL innodb_monitor_reset=index_page_merge_attempts;
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SET GLOBAL innodb_monitor_enable=index_page_merge_successful;
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SET GLOBAL innodb_monitor_reset=index_page_merge_successful;
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--enable_query_log
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--echo # check MERGE_THRESHOLD
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--replace_result tab1#P tab1#p
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select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD
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from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i
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where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%';
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insert into tab1 values (1, repeat('a',2048));
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insert into tab1 values (2, repeat('a',2048));
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insert into tab1 values (3, repeat('a',2048));
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insert into tab1 values (8, repeat('a',2048));
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insert into tab1 values (9, repeat('a',2048));
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insert into tab1 values (10, repeat('a',2048));
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insert into tab1 values (11, repeat('a',2048));
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insert into tab1 values (12, repeat('a',2048));
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insert into tab1 values (4, repeat('a',2048));
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insert into tab1 values (5, repeat('a',2048));
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insert into tab1 values (6, repeat('a',2048));
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insert into tab1 values (7, repeat('a',2048));
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insert into tab1 values (13, repeat('a',2048));
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insert into tab1 values (14, repeat('a',2048));
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# filled 2 leaf pages have been prepared
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# | 1,..,7 | 8,..,14 |
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select PAGE_NUMBER, NUMBER_RECORDS
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from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1,
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INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2
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where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%'
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and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS;
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begin;
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delete from tab1 where a = 12;
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delete from tab1 where a = 13;
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delete from tab1 where a = 14;
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delete from tab1 where a = 5;
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delete from tab1 where a = 6;
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delete from tab1 where a = 7;
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commit;
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# wait for purge view progress (records are deleted actually by purge)
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--source include/wait_all_purged.inc
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# not merged yet
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# | 1,2,3,4 | 8,9,10,11 |
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--echo # check page merge happens (nothing is expected)
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SELECT name,count_reset FROM information_schema.innodb_metrics
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WHERE name like 'index_page_merge_%';
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select PAGE_NUMBER, NUMBER_RECORDS
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from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1,
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INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2
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where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%'
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and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS;
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delete from tab1 where a = 11;
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# wait for purge view progress (records are deleted actually by purge)
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--source include/wait_all_purged.inc
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--echo # check page merge happens (MERGE_THRESHOLD=50 causes merge here)
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SELECT name,count_reset FROM information_schema.innodb_metrics
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WHERE name like 'index_page_merge_%';
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delete from tab1 where a = 10;
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# wait for purge view progress (records are deleted actually by purge)
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--source include/wait_all_purged.inc
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--echo # check page merge happens (MERGE_THRESHOLD=35 causes merge here)
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SELECT name,count_reset FROM information_schema.innodb_metrics
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WHERE name like 'index_page_merge_%';
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delete from tab1 where a = 9;
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# wait for purge view progress (records are deleted actually by purge)
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--source include/wait_all_purged.inc
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--echo # check page merge happens (MERGE_THRESHOLD=25 causes merge here)
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SELECT name,count_reset FROM information_schema.innodb_metrics
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WHERE name like 'index_page_merge_%';
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--disable_query_log
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# Reset flags
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SET GLOBAL innodb_monitor_disable=index_page_merge_attempts;
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SET GLOBAL innodb_monitor_disable=index_page_merge_successful;
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--disable_warnings
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set global innodb_monitor_enable = default;
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set global innodb_monitor_disable = default;
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set global innodb_monitor_reset = default;
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set global innodb_monitor_reset_all = default;
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--enable_warnings
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--enable_query_log
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