Hi,

I have allocated 500MB to key_buffer_size, but only 324MB is in use
(64%).

Am I right to assume that this can mean one of the following: (1) all
indexes have already been cached and together they are just 324 MB, (2)
there is a limiting variable (open_files, inodb_open_files, for example)
that prevents the key buffer to be more fully utilized.

Key buffer usage is often hitting 100%, and just 0.01 tables are opened
per second. Number of queries/second is 269.


Setup:

5.0.18-standard-log
Solaris 8
2 CPU, 4GB RAM


Regards,

Martijn

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