60 lines
1.3 KiB
JavaScript
60 lines
1.3 KiB
JavaScript
const LPOptimizer = require('./lp-optimizer.js');
|
|
|
|
const osd_tree = {
|
|
100: {
|
|
7: 3.63869,
|
|
},
|
|
300: {
|
|
10: 3.46089,
|
|
11: 3.46089,
|
|
12: 3.46089,
|
|
},
|
|
400: {
|
|
1: 3.49309,
|
|
2: 3.49309,
|
|
3: 3.49309,
|
|
},
|
|
500: {
|
|
4: 3.58498,
|
|
// 8: 3.58589,
|
|
9: 3.63869,
|
|
},
|
|
600: {
|
|
5: 3.63869,
|
|
6: 3.63869,
|
|
},
|
|
/* 100: {
|
|
1: 2.72800,
|
|
},
|
|
200: {
|
|
2: 2.72900,
|
|
},
|
|
300: {
|
|
3: 1.87000,
|
|
},
|
|
400: {
|
|
4: 1.87000,
|
|
},
|
|
500: {
|
|
5: 3.63869,
|
|
},*/
|
|
};
|
|
|
|
async function run()
|
|
{
|
|
// Test: add 1 OSD of almost the same size. Ideal data movement could be 1/12 = 8.33%. Actual is ~13%
|
|
// Space efficiency is ~99.5% in both cases.
|
|
let prev = await LPOptimizer.optimize_initial(osd_tree, 256);
|
|
LPOptimizer.print_change_stats(prev, false);
|
|
console.log('adding osd.8');
|
|
osd_tree[500][8] = 3.58589;
|
|
let next = await LPOptimizer.optimize_change(prev.int_pgs, osd_tree);
|
|
LPOptimizer.print_change_stats(next, false);
|
|
console.log('removing osd.8');
|
|
delete osd_tree[500][8];
|
|
next = await LPOptimizer.optimize_change(next.int_pgs, osd_tree);
|
|
LPOptimizer.print_change_stats(next, false);
|
|
}
|
|
|
|
run().catch(console.error);
|