de4559d862
Optimization by reusing more slices. Benchmark result: name old time/op new time/op delta RemoteSegment/healthy_segment-8 33.2µs ± 1% 31.4µs ± 6% -5.49% (p=0.032 n=4+5) name old alloc/op new alloc/op delta RemoteSegment/healthy_segment-8 15.9kB ± 0% 10.2kB ± 0% -35.92% (p=0.008 n=5+5) name old allocs/op new allocs/op delta RemoteSegment/healthy_segment-8 280 ± 0% 250 ± 0% -10.71% (p=0.008 n=5+5) Change-Id: I60462169285462dee6cd16d4f4ce1f30fb6cdfdf
67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package checker_test
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap"
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"golang.org/x/sync/errgroup"
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"storj.io/common/storj"
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"storj.io/common/testcontext"
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"storj.io/common/testrand"
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"storj.io/storj/satellite/nodeevents"
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"storj.io/storj/satellite/nodeselection"
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"storj.io/storj/satellite/overlay"
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"storj.io/storj/satellite/repair/checker"
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)
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func TestReliabilityCache_Concurrent(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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overlayCache, err := overlay.NewService(zap.NewNop(), fakeOverlayDB{}, fakeNodeEvents{}, overlay.NewPlacementDefinitions().CreateFilters, "", "", overlay.Config{
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NodeSelectionCache: overlay.UploadSelectionCacheConfig{
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Staleness: 2 * time.Nanosecond,
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},
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})
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require.NoError(t, err)
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cacheCtx, cacheCancel := context.WithCancel(ctx)
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defer cacheCancel()
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ctx.Go(func() error { return overlayCache.Run(cacheCtx) })
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defer ctx.Check(overlayCache.Close)
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cache := checker.NewReliabilityCache(overlayCache, time.Millisecond)
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var group errgroup.Group
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for i := 0; i < 10; i++ {
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group.Go(func() error {
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for i := 0; i < 10000; i++ {
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nodeIDs := []storj.NodeID{testrand.NodeID()}
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_, err := cache.GetNodes(ctx, time.Now(), nodeIDs, make([]nodeselection.SelectedNode, len(nodeIDs)))
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if err != nil {
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return err
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}
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}
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return nil
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})
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}
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require.NoError(t, group.Wait())
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}
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type fakeOverlayDB struct{ overlay.DB }
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type fakeNodeEvents struct{ nodeevents.DB }
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func (fakeOverlayDB) GetParticipatingNodes(context.Context, time.Duration, time.Duration) ([]nodeselection.SelectedNode, error) {
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return []nodeselection.SelectedNode{
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{ID: testrand.NodeID(), Online: true},
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{ID: testrand.NodeID(), Online: true},
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{ID: testrand.NodeID(), Online: true},
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{ID: testrand.NodeID(), Online: true},
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}, nil
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}
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