Re: mmap:ed i/o and buffer sizes

2010-12-15 Thread Jonathan Ellis
On Fri, Dec 10, 2010 at 2:45 PM, Peter Schuller wrote: > I was looking closer at sliced_buffer_size_in_kb and > column_index_size_in_kb and reached the conclusion that for the > purpose of I/O, these are irrelevant when using mmap:ed I/O mode > (which makes sense, since there is no way to use a "

mmap:ed i/o and buffer sizes

2010-12-10 Thread Peter Schuller
I was looking closer at sliced_buffer_size_in_kb and column_index_size_in_kb and reached the conclusion that for the purpose of I/O, these are irrelevant when using mmap:ed I/O mode (which makes sense, since there is no way to use a "buffer size" when all you're doing is touching memory). The only