April 2010
Intermediate to advanced
276 pages
6h 16m
English
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Calculating DataMemory and IndexMemory
Before a migration to a MySQL Cluster, it is likely that you will want to be sure that the resources available are sufficient to handle the proposed cluster. Generally, MySQL Clusters are more memory intensive than anything else, and this recipe explains how you can estimate your memory usage in advance.
Note
The script that is used in this recipe, ndb_size.pl, is provided by MySQL Cluster in a cluster binary. In the See also section, an alternative and more accurate tool is mentioned. ndb_size.pl is excellent for estimates, but it is worth remembering that it is only an estimate based on, sometimes inaccurate, assumptions.
Getting ready
This recipe demonstrates how to estimate, from a table scheme or an existing ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.