Comments on: Online ALTER TABLE now available in openark kit http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit Blog by Shlomi Noach Wed, 01 Feb 2012 20:47:51 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: shlomi http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-41840 shlomi Wed, 01 Jun 2011 05:29:08 +0000 http://code.openark.org/blog/?p=629#comment-41840 @Ronald: thanks, fixed @Ronald: thanks, fixed

]]> By: Ronald Bradford http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-41837 Ronald Bradford Wed, 01 Jun 2011 05:13:55 +0000 http://code.openark.org/blog/?p=629#comment-41837 The link to oak-online-alter-table in your post is now broken. The link to oak-online-alter-table in your post is now broken.

]]> By: Jon d http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-3459 Jon d Sun, 23 Aug 2009 20:27:34 +0000 http://code.openark.org/blog/?p=629#comment-3459 Thanks for the tool im using it now... Ive been doing similar things myself manually, first create schema, then do a first pass, then copy the remaining rows. Then rename/drop. Great script. Thanks for the tool im using it now... Ive been doing similar things myself manually, first create schema, then do a first pass, then copy the remaining rows. Then rename/drop. Great script.

]]> By: shlomi http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-1526 shlomi Thu, 09 Apr 2009 16:04:38 +0000 http://code.openark.org/blog/?p=629#comment-1526 Mohammad, please do, I will appreciate any feedback Regards Mohammad,
please do, I will appreciate any feedback

Regards

]]> By: Mohammad Lahlouh http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-1525 Mohammad Lahlouh Thu, 09 Apr 2009 11:44:31 +0000 http://code.openark.org/blog/?p=629#comment-1525 Great work, I interest in test it Great work, I interest in test it

]]> By: Pythian Group - Blog http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-1325 Pythian Group - Blog Fri, 27 Mar 2009 17:18:32 +0000 http://code.openark.org/blog/?p=629#comment-1325 [...] Shlomi Noach has some news about a MySQL toolkit. No, not that one. openark. The news is: online ALTER TABLE is now available in openark kit. [...] [...] Shlomi Noach has some news about a MySQL toolkit. No, not that one. openark. The news is: online ALTER TABLE is now available in openark kit. [...]

]]> By: shlomi http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-1323 shlomi Fri, 27 Mar 2009 16:29:22 +0000 http://code.openark.org/blog/?p=629#comment-1323 @flytox, I'm actually running this on live servers (my own...) and find that load average does not increase significantly. What's most affected is slave lag. Using the correct <strong>--sleep-time</strong> allows for slaves for better follow ups. @flytox,

I'm actually running this on live servers (my own...) and find that load average does not increase significantly. What's most affected is slave lag. Using the correct --sleep-time allows for slaves for better follow ups.

]]> By: flytox http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-1321 flytox Fri, 27 Mar 2009 15:35:55 +0000 http://code.openark.org/blog/?p=629#comment-1321 Interesting work. I'm curious to check the generated overhead while altering the table. Interesting work. I'm curious to check the generated overhead while altering the table.

]]> By: shlomi http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-1273 shlomi Wed, 25 Mar 2009 05:38:12 +0000 http://code.openark.org/blog/?p=629#comment-1273 @Arjen Disk space - you get the same issue when doing normal ALTER TABLE, either directly, or with M-M replication. At any case you're spending disk space (unless you dump+import, which is a pain in itself) @Arjen
Disk space - you get the same issue when doing normal ALTER TABLE, either directly, or with M-M replication. At any case you're spending disk space (unless you dump+import, which is a pain in itself)

]]> By: shlomi http://code.openark.org/blog/mysql/online-alter-table-now-available-in-openark-kit/comment-page-1#comment-1272 shlomi Wed, 25 Mar 2009 05:37:01 +0000 http://code.openark.org/blog/?p=629#comment-1272 @Arjen Not so. There will only be two tables: the original one, and the ALTERed one. See, I create the ALTERed table as empty, and fill it on the fly. This is why you only have two copies - not worse than the "real" ALTER TABLE, which builds a copy - while blocking your entire table. @Arjen
Not so. There will only be two tables: the original one, and the ALTERed one.
See, I create the ALTERed table as empty, and fill it on the fly. This is why you only have two copies - not worse than the "real" ALTER TABLE, which builds a copy - while blocking your entire table.

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