114 lines
3.1 KiB
Go
114 lines
3.1 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"math"
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"os"
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"sync"
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"github.com/minio/madmin-go"
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"github.com/minio/minio/internal/disk"
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)
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// round returns value rounding to specified decimal places.
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func round(f float64, n int) float64 {
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if n <= 0 {
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return math.Round(f)
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}
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p := math.Pow10(n)
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return math.Round(f*p) / p
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}
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func getDrivePerfInfo(ctx context.Context, parallel bool) []madmin.DrivePerfInfo {
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pools := globalEndpoints
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info := []madmin.DrivePerfInfo{}
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var wg sync.WaitGroup
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for _, pool := range pools {
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for _, endpoint := range pool.Endpoints {
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if !endpoint.IsLocal {
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continue
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}
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if _, err := os.Stat(endpoint.Path); err != nil {
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info = append(info, madmin.DrivePerfInfo{
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Path: endpoint.Path,
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Error: err.Error(),
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})
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continue
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}
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getHealthInfo := func(path string) {
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defer wg.Done()
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latency, throughput, err := disk.GetHealthInfo(
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ctx, path, pathJoin(path, minioMetaTmpBucket, mustGetUUID()),
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)
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if err != nil {
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info = append(info, madmin.DrivePerfInfo{
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Path: path,
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Error: err.Error(),
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})
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} else {
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info = append(info, madmin.DrivePerfInfo{
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Path: path,
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Latency: madmin.Latency{
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Avg: round(latency.Avg, 3),
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Max: round(latency.Max, 3),
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Min: round(latency.Min, 3),
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Percentile50: round(latency.Percentile50, 3),
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Percentile90: round(latency.Percentile90, 3),
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Percentile99: round(latency.Percentile99, 3),
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},
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Throughput: madmin.Throughput{
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Avg: uint64(round(throughput.Avg, 0)),
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Max: uint64(round(throughput.Max, 0)),
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Min: uint64(round(throughput.Min, 0)),
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Percentile50: uint64(round(throughput.Percentile50, 0)),
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Percentile90: uint64(round(throughput.Percentile90, 0)),
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Percentile99: uint64(round(throughput.Percentile99, 0)),
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},
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})
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}
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}
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wg.Add(1)
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if parallel {
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go getHealthInfo(endpoint.Path)
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} else {
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getHealthInfo(endpoint.Path)
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}
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}
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}
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wg.Wait()
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return info
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}
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func getDrivePerfInfos(ctx context.Context, addr string) madmin.DrivePerfInfos {
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serialPerf := getDrivePerfInfo(ctx, false)
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parallelPerf := getDrivePerfInfo(ctx, true)
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return madmin.DrivePerfInfos{
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NodeCommon: madmin.NodeCommon{Addr: addr},
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SerialPerf: serialPerf,
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ParallelPerf: parallelPerf,
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}
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}
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