5 changed files with 77 additions and 45 deletions
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// Copyright (c) Vitaliy Filippov, 2019+
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// License: VNPL-1.1 (see README.md for details)
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const LPOptimizer = require('./lp-optimizer.js'); |
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const osd_tree = { |
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100: { 1: 1 }, |
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200: { 2: 1 }, |
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300: { 3: 1 }, |
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}; |
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async function run() |
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{ |
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let res; |
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console.log('16 PGs, size=3'); |
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res = await LPOptimizer.optimize_initial({ osd_tree, pg_size: 3, pg_count: 16 }); |
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LPOptimizer.print_change_stats(res, false); |
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console.log('\nChanging size to 2'); |
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res = await LPOptimizer.optimize_change({ prev_pgs: res.int_pgs, osd_tree, pg_size: 2 }); |
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LPOptimizer.print_change_stats(res, false); |
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if (res.space < 3*14/16) |
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{ |
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throw new Error('Redistribution failed'); |
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} |
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} |
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run().catch(console.error); |
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