Hello, > > 3: if your DB is larger than RAM, writing thru mmap is slower than using > > write() syscalls. Whenever you > > access a page for the first time, the OS will page it in. This is a wasted > > I/O if all you're doing is > > overwriting the page with new data. > > I doubt it... especially now we're running on servers with 256Gb of data. > These databases are usually under a gigabyte in size. I also don't think we > ever overwrite a page without reading from it first - we're usually updating > pointers which we've just had to read. >
Are there recommendations on RAM for running cyrus imap, that reflect this aspect? Greetings Dilyan
