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Bug#35157: mysqldump should use FLUSH TABLES NO_WRITE_TO_BINLOG \

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when --master-data is used

When using the --master-data option with mysqldump, mysqldump uses 
a FLUSH TABLES command.  However, this statement got replicated to 
the slave(s), which caused the slave(s) to block unnecessarily while
the FLUSH tables command completed.

Now, if the master-data option is set to one of the two "on" modes,
then use the "LOCAL" qualifier to ensure that it's not replicated.
This commit is contained in:
cmiller@zippy.cornsilk.net
2008-04-14 17:43:08 -04:00
parent eac3a26efa
commit 13fa535b80
2 changed files with 6 additions and 3 deletions
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5
client/mysqldump.c
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@ -4326,7 +4326,10 @@ static int do_flush_tables_read_lock(MYSQL *mysql_con)
update starts between the two FLUSHes, we have that bad stall.
*/
return
( mysql_query_with_error_report(mysql_con, 0, "FLUSH TABLES") ||
( mysql_query_with_error_report(mysql_con, 0,
((opt_master_data != 0) ?
"FLUSH /*!40101 LOCAL */ TABLES" :
"FLUSH TABLES")) ||
mysql_query_with_error_report(mysql_con, 0,
"FLUSH TABLES WITH READ LOCK") );
}