Why does MySQL uses only 0.5% Memory of 4 available GBs for every query on a huge table containing many joins and millions of rows? Is this an indicator for a false configured MySQL-Server?
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Why does MySQL uses only 0.5% Memory of 4 available GBs for every query on a huge table containing many joins and millions of rows? Is this an indicator for a false configured MySQL-Server?
Silly me. There were two indices missing. The performance is good now. It still uses only 0.5% of memory in average and that’s fine with me! =)