surely * use "mysql_upgrade -u root -p" after EACH update * upgrade regulary
we went from MySQL 3.x to 5.5.30 until know without any dump and here are around 5000 tables Am 19.02.2013 22:12, schrieb Divesh Kamra: > Is there any better way for grade MySQL version without taking backup with > mysqldump > > Or if there any tool for this > > R's > DK > > On 16-Feb-2013, at 16:07, Reindl Harald <h.rei...@thelounge.net> wrote: >> >> Am 16.02.2013 09:42, schrieb Manuel Arostegui: >>> 2013/2/15 Reindl Harald <h.rei...@thelounge.net >>> <mailto:h.rei...@thelounge.net>> >>> >>> "our database is 400 GB, mysqldump is 600MB" was not a typo and you >>> honestly believed that you can import this dump to somewhat? >>> >>> WTF - as admin you should be able to see if the things in front >>> of you are theoretically possible before your start any action >>> and 1:400 is impossible, specially because mysql-dumps are >>> ALWAYS WAY LARGER then the databasses because they contain >>> sql-statements and not only data >>> >>> That's not completely true. If you have a poor maintained database or just >>> tables with lot of writes and deletes >>> and you don't periodically optimize it - you can end up with lot of blank >>> spaces in your tables which will use _a >>> lot_ of space. If you do a "du" or whatever to measure your database >>> size...you can get really confused. >>> mysqldump obviously doesn't backup blank spaces and once you get rid of >>> them, your database will use much less space. >> >> ok, normally i expect there is a admin and doing his job >> especially for large datasets
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