> What was the struggle?
Performance is always great until you have to hit disk. Not uncommon to rely on mmap at which point your disk access is sub-optimal vs. a hand-tailored buffer manager with strategies to improve disk reads.
Performance is always great until you have to hit disk. Not uncommon to rely on mmap at which point your disk access is sub-optimal vs. a hand-tailored buffer manager with strategies to improve disk reads.
You don't need to use direct I/O to have fine control.