4 ms·
That flushes, just like the fsync() system call mentioned in Luu's post.
by kragen 2y ago
That flushes, just like the fsync() system call mentioned in Luu's post.
- ryao 2y agoIt actually writes dirty data and then flushes. That said, IO barriers in storage are typically synonymous with flushes. For example, the ext4 nobarrier mount option disables flushes.