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Extract PG combinator into a separate module

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This commit is contained in:
Vitaliy Filippov
2024-04-07 00:36:20 +03:00
parent 9fe779a691
commit 6a924d6066
8 changed files with 357 additions and 306 deletions
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mon/test-optimize.js
+8 -7
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@@ -1,6 +1,7 @@
// Copyright (c) Vitaliy Filippov, 2019+
// License: VNPL-1.1 (see README.md for details)
const { compat, flatten_tree } = require('./simple_pgs.js');
const LPOptimizer = require('./lp-optimizer.js');
const osd_tree = {
@@ -84,31 +85,31 @@ async function run()
// Space efficiency is ~99% in all cases.
console.log('256 PGs, size=2');
res = await LPOptimizer.optimize_initial({ osd_tree, pg_size: 2, pg_count: 256 });
res = await LPOptimizer.optimize_initial(compat({ osd_tree, pg_size: 2, pg_count: 256 }));
LPOptimizer.print_change_stats(res, false);
console.log('\nAdding osd.8');
osd_tree[500][8] = 3.58589;
res = await LPOptimizer.optimize_change({ prev_pgs: res.int_pgs, osd_tree, pg_size: 2 });
res = await LPOptimizer.optimize_change(compat({ prev_pgs: res.int_pgs, osd_tree, pg_size: 2 }));
LPOptimizer.print_change_stats(res, false);
console.log('\nRemoving osd.8');
delete osd_tree[500][8];
res = await LPOptimizer.optimize_change({ prev_pgs: res.int_pgs, osd_tree, pg_size: 2 });
res = await LPOptimizer.optimize_change(compat({ prev_pgs: res.int_pgs, osd_tree, pg_size: 2 }));
LPOptimizer.print_change_stats(res, false);
console.log('\n256 PGs, size=3');
res = await LPOptimizer.optimize_initial({ osd_tree, pg_size: 3, pg_count: 256 });
res = await LPOptimizer.optimize_initial(compat({ osd_tree, pg_size: 3, pg_count: 256 }));
LPOptimizer.print_change_stats(res, false);
console.log('\nAdding osd.8');
osd_tree[500][8] = 3.58589;
res = await LPOptimizer.optimize_change({ prev_pgs: res.int_pgs, osd_tree, pg_size: 3 });
res = await LPOptimizer.optimize_change(compat({ prev_pgs: res.int_pgs, osd_tree, pg_size: 3 }));
LPOptimizer.print_change_stats(res, false);
console.log('\nRemoving osd.8');
delete osd_tree[500][8];
res = await LPOptimizer.optimize_change({ prev_pgs: res.int_pgs, osd_tree, pg_size: 3 });
res = await LPOptimizer.optimize_change(compat({ prev_pgs: res.int_pgs, osd_tree, pg_size: 3 }));
LPOptimizer.print_change_stats(res, false);
console.log('\n256 PGs, size=3, failure domain=rack');
res = await LPOptimizer.optimize_initial({ osd_tree: LPOptimizer.flatten_tree(crush_tree, {}, 1, 3), pg_size: 3, pg_count: 256 });
res = await LPOptimizer.optimize_initial(compat({ osd_tree: flatten_tree(crush_tree, {}, 1, 3), pg_size: 3, pg_count: 256 }));
LPOptimizer.print_change_stats(res, false);
}