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08-27-2006, 12:42 PM #1
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- Aug 2006
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MySQL: index for a very large table
This is the first time I try to use MySQL for very large tables.
Experienced users warned me against possible problems with *index* definition for large tables:
they claim MySQL indices are stored completely in memory, which is problematic to me : I have a huge table and limited memory size (RAM). I did the math, and the entire index just won't fit into the RAM.
Unfortunatelly it will be a while before management approves hardware improvements.
Could anyone please advise whether MySQL really needs to store the entire index in memory ?
Or is there some way to configure this ?
Thanks very much !