mirror of
https://github.com/MariaDB/server.git
synced 2025-01-18 04:53:01 +01:00
79 lines
2.7 KiB
Text
79 lines
2.7 KiB
Text
select @@log_slow_filter;
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@@log_slow_filter
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admin,filesort,filesort_on_disk,filesort_priority_queue,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk
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select @@log_slow_rate_limit;
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@@log_slow_rate_limit
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1
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select @@log_slow_verbosity;
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@@log_slow_verbosity
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show variables like "log_slow%";
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Variable_name Value
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log_slow_admin_statements ON
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log_slow_disabled_statements sp
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log_slow_filter admin,filesort,filesort_on_disk,filesort_priority_queue,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk
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log_slow_rate_limit 1
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log_slow_slave_statements ON
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log_slow_verbosity
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set @org_slow_query_log= @@global.slow_query_log;
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set @@log_slow_filter= "filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk,admin";
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select @@log_slow_filter;
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@@log_slow_filter
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admin,filesort,filesort_on_disk,full_join,full_scan,query_cache,query_cache_miss,tmp_table,tmp_table_on_disk
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set @@log_slow_filter="admin,admin";
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select @@log_slow_filter;
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@@log_slow_filter
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admin
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set @@log_slow_filter=7;
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select @@log_slow_filter;
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@@log_slow_filter
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admin,filesort,filesort_on_disk
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set @@log_slow_filter= "filesort,impossible,impossible2,admin";
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ERROR 42000: Variable 'log_slow_filter' can't be set to the value of 'impossible'
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set @@log_slow_filter= "filesort, admin";
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ERROR 42000: Variable 'log_slow_filter' can't be set to the value of ' admin'
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set @@log_slow_filter= 1<<31;
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ERROR 42000: Variable 'log_slow_filter' can't be set to the value of '2147483648'
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select @@log_slow_filter;
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@@log_slow_filter
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admin,filesort,filesort_on_disk
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set @@log_slow_verbosity= "query_plan,innodb";
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select @@log_slow_verbosity;
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@@log_slow_verbosity
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innodb,query_plan
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set @@log_slow_verbosity=1;
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select @@log_slow_verbosity;
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@@log_slow_verbosity
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innodb
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show fields from mysql.slow_log;
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Field Type Null Key Default Extra
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start_time timestamp(6) NO current_timestamp(6) on update current_timestamp(6)
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user_host mediumtext NO NULL
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query_time time(6) NO NULL
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lock_time time(6) NO NULL
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rows_sent int(11) NO NULL
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rows_examined int(11) NO NULL
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db varchar(512) NO NULL
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last_insert_id int(11) NO NULL
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insert_id int(11) NO NULL
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server_id int(10) unsigned NO NULL
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sql_text mediumtext NO NULL
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thread_id bigint(21) unsigned NO NULL
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rows_affected int(11) NO NULL
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flush slow logs;
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set long_query_time=0.1;
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set log_slow_filter='';
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set global slow_query_log=1;
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set global log_output='TABLE';
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select sleep(0.5);
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sleep(0.5)
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0
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select count(*) FROM mysql.slow_log;
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count(*)
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1
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set @@long_query_time=default;
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set global slow_query_log= @org_slow_query_log;
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set @@log_slow_filter=default;
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set @@log_slow_verbosity=default;
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set global log_output= default;
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truncate mysql.slow_log;
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