I have a database with a single table. The database is 23922826240 bytes. The 
table has 2147483685 rows in it.

Running: UPDATE t SET v=1; makes my application start to use all available RAM, 
then swap, and is finally killed by the OS (I do not have 23GB of free 
RAM+swap).

Should running an UPDATE cause the table to first be copied to RAM and modified 
there? Is there any way to get this UPDATE to work with meager resources (given 
at least 50GB free on the partition the database is stored on)?

Thanks.



      
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