Displaying 4 results from an estimated 4 matches for "401mib".
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2019 Jan 05
0
Re: [PATCH nbdkit 0/7] server: Implement NBD_FLAG_CAN_MULTI_CONN.
....8k, BW=206MiB/s (216MB/s)(24.2GiB/120002msec)
write: IOPS=52.8k, BW=206MiB/s (216MB/s)(24.2GiB/120002msec)
file:
read: IOPS=48.3k, BW=189MiB/s (198MB/s)(22.1GiB/120001msec)
write: IOPS=48.3k, BW=189MiB/s (198MB/s)(22.1GiB/120001msec)
With multi-conn (-C 8):
memory:
read: IOPS=103k, BW=401MiB/s (420MB/s)(46.0GiB/120002msec)
write: IOPS=103k, BW=401MiB/s (420MB/s)(46.0GiB/120002msec)
file:
read: IOPS=49.2k, BW=192MiB/s (202MB/s)(22.5GiB/120001msec)
write: IOPS=49.2k, BW=192MiB/s (202MB/s)(22.5GiB/120001msec)
So you can see that the file plugin doesn't move at all, which is n...
2019 Jan 05
1
Re: [PATCH nbdkit 0/7] server: Implement NBD_FLAG_CAN_MULTI_CONN.
...more interesting numbers, concentrating on the memory
plugin and RAM disks. All are done using 8 threads and multi-conn, on
a single unloaded machine with 16 cores, using a Unix domain socket.
(1) The memory plugin using the sparse array, as implemented upstream
in 1.9.8:
read: IOPS=103k, BW=401MiB/s (420MB/s)(46.0GiB/120002msec)
write: IOPS=103k, BW=401MiB/s (420MB/s)(46.0GiB/120002msec)
(2) I moved the locking to around calls to the sparse array code, and
changed the thread model to parallel:
read: IOPS=112k, BW=437MiB/s (458MB/s)(51.2GiB/120001msec)
write: IOPS=112k, BW=437MiB/s (...
2019 Jan 05
4
Re: [PATCH nbdkit 0/7] server: Implement NBD_FLAG_CAN_MULTI_CONN.
On Fri, Jan 04, 2019 at 05:26:07PM -0600, Eric Blake wrote:
> On 1/4/19 4:08 PM, Richard W.M. Jones wrote:
> > First thing to say is that I need to do a *lot* more testing on this,
> > so this is just an early peek. In particular, although it passed
> > ‘make check && make check-valgrind’ I have *not* tested it against a
> > multi-conn-aware client such as the
2019 Jan 05
15
[PATCH nbdkit v2 01/11] server: Implement NBD_FLAG_CAN_MULTI_CONN.
For existing commits, this is almost identical to v1, except that I
updated some commit messages and reordered the commits in a somewhat
more logical sequence.
The main changes are the extra commits:
[06/11] plugins: Return NBD_FLAG_CAN_MULTI_CONN from some readonly plugins.
- Readonly plugins that can set the flag unconditionally.
[09/11] partitioning: Return NBD_FLAG_CAN_MULTI_CONN.
[10/11]