Or if anyone can give a credible explanation why my preadv() emulation is based on some flawed assumptions, perhaps I should just remove it and default to coalescing buffers instead. It would probably make sense to still make the coalesce option available, and override the preadv() emulation on windows.
The reason why coalesce_reads and coalesce_writes don't do anything is because currently those options are only available for system that don't have preadv() and pwritev() (which I pretend windows does). 15 Im using uTorrent 3.1.3 and Im getting the error 'Disk Overloaded 100' after the download speed reaches 4-5 mb/s. Now, whether the kernel actually merge them or not, I don't think we can tell from process monitor, can we? My impression is that process monitor intercepts library calls, not kernel calls or actual I/O calls.ĭo you feel confident that the fact that these operations appear as individual rows in process monitor is indicative of a problem? Down in the bottom left of the Preferences menu expand the bit that says Advanced and then click on Disk Cache. I then wait for all operations to complete. In uTorrent go to Options in the top menubar. It means that utorrent is downloading faster than it can be written to the hard drive Causing a disk overload Not 100 sure how to fix it as the last time it. This should let the lower layer merge them, just like normal kernels do. Which issues all reads (or writes) as overlapped (asynchronous) operations, in order, back-to-back. So, after having looked into this a bit, I'm pretty confident the vast majority of those reads (at least the ones whose offset are back-to-back) are part of my pwritev() emulation.
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