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views:

23

answers:

1
Q: 

MySQL Heap/Memory based table

I have a server with 12GB RAM, and max_heap_table_size in my.cnf is set to 6GB. ("max_heap_table_size=6442450944"). I restarted the MySQL server after setting this.

The trouble is, whenever my table gets to just 2GB during inserts I get error "table full". Why is it not letting me add more than 2GB worth of data? (The 2GB figure is what is shown as the size in phpMyAdmin)

A: 

A 32 bit MySQL server (or any 32 bit application for that matter) only have 2-3Gb(Depending on the OS, etc.) of virtual memory available, and thus can't address more memory. You need a 64 bit OS, and a 64 bit MySQL server to take advantage of more memory.

nos  2010-07-15 15:57:36

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