Added command-line options to myisamchk (as suggested by Tim Cutts) to improve...

Added command-line options to myisamchk (as suggested by Tim Cutts) to improve performance and only actually run myisamchk if it's required.

Added note to usage about it being best to run it on the actual cluster node that the MySQL instance is running on.

scripts/CopyDBoverServer.pl

@@ -6,7 +6,7 @@ use Cwd 'chdir';
 
 $| = 1;
 
-my $usage = "\nUsage: $0 -pass XXXXX [-noflush] input_file
+my $usage = "\nUsage: $0 -pass XXXXX [-noflush] --nochk] input_file
 
 Copy mysql databases between different servers and run myisamchk on the indices when copied.
 
@@ -37,7 +37,14 @@ RESTRICTIONS:
    ia64[ef] port: 3306
 3- -pass is compulsory and is expected to be the mysql password to connect as ensadmin
 
-This script MUST be run as the mysqlens Unix user.\n\n";
+This script MUST be run as the mysqlens Unix user.
+
+Also it is best to run it on the same node as the destination MySQL instance, e.g. for ecs2:3365 run
+
+caa_stat mysql_3365
+
+... which will reveal that it's running on ecs2e (caa_stat alone will show all instances).
+\n\n";
 
 my $help = 0;
 my $pass;
@@ -69,7 +76,7 @@ my %mysql_directory_per_svr = ('ecs1a:3306' => "/mysql1a/current/var",
 			       'ecs2:3364' => "/mysql/data_3364/databases",
 			       'ecs2:3365' => "/mysql/data_3365/databases",
 			       'ecs2:3366' => "/mysql/data_3366/databases",
-			       'ecs3:3307' => "/mysqld/current/var",
+			       'ecs3:3307' => "/mysqld/mysql-4.1.10/data",
 			       'ecs3:3309' => "/mysqlh/current/var",
 			       'ecs3:3304' => "/mysql_archive/current/var",
 			       'ecs4:3350' => "/mysql-3350/databases",
@@ -81,6 +88,8 @@ my %mysql_directory_per_svr = ('ecs1a:3306' => "/mysql1a/current/var",
                                'ia64g:3306' => "/mysql/data_3306/databases",
                                'ia64h:3306' => "/mysql/data_3306/databases");
 
+# Change ecs3:3307 back to 'ecs3:3307' => "/mysqld/current/var", when link is fixed
+
 my $working_host = $ENV{'HOST'};
 my $generic_working_host = $working_host;
 $generic_working_host =~ s/(ecs[1234]).*/$1/;
@@ -232,7 +241,7 @@ skipped copy of $db_to_copy->{src_db} from $db_to_copy->{src_srv} to $db_to_copy
   print STDERR "// Checking $destination_tmp_directory/$db_to_copy->{dest_db}/*.MYI in progress...
 //\n";
   chdir "$destination_tmp_directory/$db_to_copy->{dest_db}";
-  my $myisamchk_cmd = "ls | grep MYI | xargs $myisamchk_executable -r";
+  my $myisamchk_cmd = "ls | grep MYI | xargs $myisamchk_executable -F -f -s --key_buffer_size=2000000000 --sort_buffer_size=2000000000 --read_buffer_size=2000000 --write_buffer_size=2000000";
   if (system("$myisamchk_cmd") == 0) {
     print STDERR "//
 // Checking $destination_tmp_directory/$db_to_copy->{dest_db}/*.MYI DONE\n";