Background papers for NBD talk.
[libguestfs-talks.git] / 2019-tech-introductions / 4120-nbd-not-easy-or-efficient-3.html
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5 <h1>NBD is easy to implement</h1>
6
7 <p>
8 It's <b>hard to get good performance</b>
9 </p>
10
11 <pre>
12 $ time nbdkit memory 100M \
13     --run 'examples/threaded-reads-and-writes localhost 10809'
14 </pre>
15
16 <table width="80%">
17 <tr>
18 <td>
19 May 21st 2019
20 </td>
21 <td> <b>592</b> seconds </td>
22 </tr>
23
24 <tr>
25 <td>
26 Jun 13th 2019
27 </td>
28 <td> <b>37</b> seconds </td>
29 </tr>
30
31 <tr>
32 <td> Ratio </td>
33 <td> <b>16</b> times faster </td>
34 </tr>
35 </table>