Comments on: Evil replication management http://mituzas.lt/2009/07/30/evil-replication-management/ Sun, 22 Aug 2010 05:11:15 +0000 hourly 1 http://wordpress.org/?v=3.1-alpha By: Log Buffer #157: a Carnival of the Vanities for DBAs | Pythian Group Blog http://mituzas.lt/2009/07/30/evil-replication-management/comment-page-1/#comment-189626 Log Buffer #157: a Carnival of the Vanities for DBAs | Pythian Group Blog Fri, 07 Aug 2009 16:52:59 +0000 http://mituzas.lt/?p=567#comment-189626 [...] Mituzas was hunting down that evil replication management. He writes, “When one wants to script automated replication chain building, certain things [...] [...] Mituzas was hunting down that evil replication management. He writes, “When one wants to script automated replication chain building, certain things [...]

]]> By: erkules http://mituzas.lt/2009/07/30/evil-replication-management/comment-page-1/#comment-189581 erkules Thu, 30 Jul 2009 23:12:19 +0000 http://mituzas.lt/?p=567#comment-189581 mysql> show variables like 'log_slave_updates'; +-------------------+-------+ | Variable_name | Value | +-------------------+-------+ | log_slave_updates | OFF | +-------------------+-------+ 1 row in set (0,00 sec) mysql> system gdb -p $(pidof mysqld) -ex "set opt_log_slave_updates=1" -batch (no debugging symbols found) (no debugging symbols found) [Thread debugging using libthread_db enabled] [New Thread 0x7fcef3768700 (LWP 4825)] .... mysql> show variables like 'log_slave_updates'; ERROR 13 (HY000): Can't get stat of '/tmp/#sql_12d9_0.CSV' (Errcode: 2) mysql> show variables like ‘log_slave_updates’;
+——————-+——-+
| Variable_name | Value |
+——————-+——-+
| log_slave_updates | OFF |
+——————-+——-+
1 row in set (0,00 sec)

mysql> system gdb -p $(pidof mysqld) -ex “set opt_log_slave_updates=1″ -batch
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0x7fcef3768700 (LWP 4825)]
….

mysql> show variables like ‘log_slave_updates’;
ERROR 13 (HY000): Can’t get stat of ‘/tmp/#sql_12d9_0.CSV’ (Errcode: 2)

]]> By: Platonides http://mituzas.lt/2009/07/30/evil-replication-management/comment-page-1/#comment-189580 Platonides Thu, 30 Jul 2009 22:52:29 +0000 http://mituzas.lt/?p=567#comment-189580 I'm afraid, you hot-patch the servers so much they won't work when you need to restart them. :-) You should consider changing to Microsoft based servers, I hear they don't allow this flaws... I’m afraid, you hot-patch the servers so much they won’t work when you need to restart them. :-)
You should consider changing to Microsoft based servers, I hear they don’t allow this flaws…

]]> By: Toby http://mituzas.lt/2009/07/30/evil-replication-management/comment-page-1/#comment-189578 Toby Thu, 30 Jul 2009 15:43:28 +0000 http://mituzas.lt/?p=567#comment-189578 "Having it in server would be best?" -- I disagree entierly! training in gdb should be an important part of being a MySQL DBA. “Having it in server would be best?” — I disagree entierly! training in gdb should be an important part of being a MySQL DBA.

]]> By: Arjen Lentz http://mituzas.lt/2009/07/30/evil-replication-management/comment-page-1/#comment-189575 Arjen Lentz Thu, 30 Jul 2009 15:36:32 +0000 http://mituzas.lt/?p=567#comment-189575 Purest Domas-evil, I love it ;-) How about a commandline-interface for this that knows about all the relevant tweakable settings? This can also serve as a good TODO for those coding the server. Purest Domas-evil, I love it ;-)
How about a commandline-interface for this that knows about all the relevant tweakable settings? This can also serve as a good TODO for those coding the server.

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