Jens Axboe

Results 439 comments of Jens Axboe

I can't comment on the libuv addition, I'll just say that io_uring does support sendmsg/recvmsg for sockets. For any buffered write, io_uring or otherwise, the data is indeed copied to...

Ditto send()/sendmsg() for what it's worth, only zero-copy or O_DIRECT would behave differently.

Gentle nudge on this again. As before, do let me know if there's anything I can do to help move this forward!

It's a pretty easy backport, but you have to convince them to backport... That part may be harder, and probably will have more luck on the RH side. Internally at...

Have you tried defining ```FIO_LIBHDFS_INCLUDE``` and ```FIO_LIBHDFS_LIB``` like the configure output tells you to?

The problem is that you get multiple sets of independently valid json, but smashed together it is not. You'd have to cut and paste each "section" (the one that starts...

I don't know json well enough to guess if there's some way we can separate streams nicely in the file. If that was possible, then we could just do that...

I'd be fine with something like that. Do you have a patch?

If ```continue_on_error``` is set, then even an errored IO is accounted like everything else. Generally an IO error means that it will not have transferred any data, so iops would...

There's no way to do that. In all fairness, usually your results are going to be heavily skewed by errors anyway, whether you include them or not. As I mentioned,...