3 ms·
> If you clearly understand your access patterns and memory requirements, you can often outperform the default OS page cache. I believe various RDBMSs bypass t
by philsnow 2y ago
> If you clearly understand your access patterns and memory requirements, you can often outperform the default OS page cache.
I believe various RDBMSs bypass the page cache and use their own strategies for managing caching if you give them access to raw block devices, right?
- inkyoto 2y agoThat is true and correct, except that Linux does not have raw devices, and O_DIRECT on a file is not a complete replacement for the raw devices (the buffer cache still gets involved as well as the file system).