Like I said in the subject line, I am using 5.1.34. I started with
my-huge.cnf, which says "key_buffer" rather than "key_buffer_size"; SHOW
GLOBAL VARIABLES confirms, however, that my key_buffer_size is 8GB.
That indexing operation finally finished after about 1.5 hours; that was
about 0.5 hours ago. Now I am on to other things. I have attached a ZIP
archive of the status you suggested, taken at this point in time.
06/25/09 02:32 AM
Re: Indexing dynamics in MySQL Community Edition 5.1.34
At 12:37 AM 6/25/2009, you wrote:
>Actually, my characterization of the current state is wrong. It appears
>that one core is completely busy, I suppose MySQL does this indexing work
>in a single thread. Is it reasonable for indexing to be CPU bound?
>my.cnf based on my-huge.cnf, expanding key_buffer to 8G,
>myisam_sort_buffer_size to 256M, and putting tmpdir on the fiber channel
You mean "key_buffer_size" don't you and not "key_buffer"? If you are
using MySQL 5.0 then the upper limit is 4gb but 5.1 allows for more than
Also try increasing "sort_buffer_size".
Posting your "Show Status" will help people see where the bottle neck is.
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Attachment: [application/zip] status.zip