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When @@GLOBAL.gtid_strict_mode=1, then certain operations result in error that would otherwise result in out-of-order binlog files between servers. GTID sequence numbers are now allocated independently per domain; this results in less/no holes in GTID sequences, increasing the likelyhood that diverging binlogs will be caught by the slave when GTID strict mode is enabled.
30 lines
1002 B
Plaintext
30 lines
1002 B
Plaintext
select @@global.gtid_strict_mode;
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@@global.gtid_strict_mode
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0
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select @@session.gtid_strict_mode;
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ERROR HY000: Variable 'gtid_strict_mode' is a GLOBAL variable
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show global variables like 'gtid_strict_mode';
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Variable_name Value
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gtid_strict_mode OFF
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show session variables like 'gtid_strict_mode';
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Variable_name Value
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gtid_strict_mode OFF
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select * from information_schema.global_variables where variable_name='gtid_strict_mode';
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VARIABLE_NAME VARIABLE_VALUE
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GTID_STRICT_MODE OFF
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select * from information_schema.session_variables where variable_name='gtid_strict_mode';
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VARIABLE_NAME VARIABLE_VALUE
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GTID_STRICT_MODE OFF
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SET @old= @@GLOBAL.gtid_strict_mode;
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set global gtid_strict_mode=1;
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select @@global.gtid_strict_mode;
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@@global.gtid_strict_mode
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1
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set global gtid_strict_mode=0;
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select @@global.gtid_strict_mode;
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@@global.gtid_strict_mode
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0
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set global gtid_strict_mode=@old;
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set session gtid_strict_mode=1;
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ERROR HY000: Variable 'gtid_strict_mode' is a GLOBAL variable and should be set with SET GLOBAL
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