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MDEV-21526: mysqld_multi no longer works with different server binaries

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The problem is caused by the fact that adding the
--defaults-group-suffix option to fix MDEV-18863 causes
mysqld to read all options from the appropriate sections
of the config file, including options specific to mysqld_multi.
Reading unknown options (which are not supported by mysqld)
causes mysqld to terminate with an error.

However, the MDEV-18863 problem has been completely fixed
by passing options on the command line, and now there is no
need to specify the --defaults-group-suffix option (we just
need to give priority to options passed through the command
line, so as not to break MDEV-18863).
This commit is contained in:
Julius Goryavsky
2020-08-04 14:25:58 +02:00
parent caf105905a
commit 7ad4709a3b
4 changed files with 25 additions and 25 deletions
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14
scripts/mysqld_multi.sh
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@ -308,9 +308,7 @@ sub report_mysqlds
sub start_mysqlds()
{
my (@groups, $com, $tmp, $i, @options, $j, $mysqld_found, $suffix_found, $info_sent);
$suffix_found= 0;
my (@groups, $com, $tmp, $i, @options, $j, $mysqld_found, $info_sent);
if (!$opt_no_log)
{
@ -349,10 +347,6 @@ sub start_mysqlds()
$options[$j]= quote_shell_word($options[$j]);
$tmp.= " $options[$j]";
}
elsif ("--defaults-group-suffix=" eq substr($options[$j], 0, 24))
{
$suffix_found= 1;
}
else
{
$options[$j]= quote_shell_word($options[$j]);
@ -369,12 +363,6 @@ sub start_mysqlds()
$info_sent= 1;
}
if (!$suffix_found)
{
$com.= " --defaults-group-suffix=";
$com.= substr($groups[$i],6);
}
$com.= $tmp;
if ($opt_wsrep_new_cluster) {