thebestvibedev/tromcho.net
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Do not crash when optimising PGs in an undersized cluster

Browse Source
This commit is contained in:
Vitaliy Filippov
2020-05-15 01:29:15 +03:00
parent b467d0559f
commit 7bda66b866
2 changed files with 114 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lp/test-optimize-undersized.js
+71
View File
@@ -0,0 +1,71 @@
const LPOptimizer = require('./lp-optimizer.js');
const crush_tree = [
{ level: 1, children: [
{ level: 2, children: [
{ level: 3, id: 1, size: 3 },
{ level: 3, id: 2, size: 3 },
] },
{ level: 2, children: [
{ level: 3, id: 3, size: 3 },
{ level: 3, id: 4, size: 3 },
] },
] },
{ level: 1, children: [
{ level: 2, children: [
{ level: 3, id: 5, size: 3 },
{ level: 3, id: 6, size: 3 },
] },
{ level: 2, children: [
{ level: 3, id: 7, size: 3 },
{ level: 3, id: 8, size: 3 },
] },
] },
{ level: 1, children: [
{ level: 2, children: [
{ level: 3, id: 9, size: 3 },
{ level: 3, id: 10, size: 3 },
] },
{ level: 2, children: [
{ level: 3, id: 11, size: 3 },
{ level: 3, id: 12, size: 3 },
] },
] },
];
const osd_tree = LPOptimizer.flatten_tree(crush_tree, {}, 1, 3);
console.log(osd_tree);
async function run()
{
const cur_tree = {};
console.log('Empty tree:');
let res = await LPOptimizer.optimize_initial(cur_tree, 256);
LPOptimizer.print_change_stats(res, false);
console.log('\nAdding 1st failure domain:');
cur_tree['dom1'] = osd_tree['dom1'];
res = await LPOptimizer.optimize_change(res.int_pgs, cur_tree);
LPOptimizer.print_change_stats(res, false);
console.log('\nAdding 2nd failure domain:');
cur_tree['dom2'] = osd_tree['dom2'];
res = await LPOptimizer.optimize_change(res.int_pgs, cur_tree);
LPOptimizer.print_change_stats(res, false);
console.log('\nAdding 3rd failure domain:');
cur_tree['dom3'] = osd_tree['dom3'];
res = await LPOptimizer.optimize_change(res.int_pgs, cur_tree);
LPOptimizer.print_change_stats(res, false);
console.log('\nRemoving 3rd failure domain:');
delete cur_tree['dom3'];
res = await LPOptimizer.optimize_change(res.int_pgs, cur_tree);
LPOptimizer.print_change_stats(res, false);
console.log('\nRemoving 2nd failure domain:');
delete cur_tree['dom2'];
res = await LPOptimizer.optimize_change(res.int_pgs, cur_tree);
LPOptimizer.print_change_stats(res, false);
console.log('\nRemoving 1st failure domain:');
delete cur_tree['dom1'];
res = await LPOptimizer.optimize_change(res.int_pgs, cur_tree);
LPOptimizer.print_change_stats(res, false);
}
run().catch(console.error);