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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
//go:build integrationTest
// +build integrationTest
package hnsw
import (
"context"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/weaviate/weaviate/adapters/repos/db/vector/common"
"github.com/weaviate/weaviate/adapters/repos/db/vector/compressionhelpers"
"github.com/weaviate/weaviate/adapters/repos/db/vector/hnsw/distancer"
"github.com/weaviate/weaviate/adapters/repos/db/vector/testinghelpers"
"github.com/weaviate/weaviate/entities/cyclemanager"
ent "github.com/weaviate/weaviate/entities/vectorindex/hnsw"
)
func Test_NoRaceCompressAdaptsSegments(t *testing.T) {
ctx := context.Background()
efConstruction := 64
ef := 32
maxNeighbors := 32
vectorsCount := 1000
dimensions := 6
expectedSegments := 3
vectors, _ := testinghelpers.RandomVecs(vectorsCount, 0, dimensions)
distancer := distancer.NewL2SquaredProvider()
uc := ent.UserConfig{}
uc.MaxConnections = maxNeighbors
uc.EFConstruction = efConstruction
uc.EF = ef
uc.VectorCacheMaxObjects = 10e12
uc.PQ = ent.PQConfig{
Enabled: true,
Encoder: ent.PQEncoder{
Type: ent.PQEncoderTypeKMeans,
Distribution: ent.PQEncoderDistributionNormal,
},
}
store := testinghelpers.NewDummyStore(t)
defer func() {
err := store.Shutdown(ctx)
require.NoError(t, err)
}()
index, err := New(
Config{
RootPath: t.TempDir(),
ID: "recallbenchmark",
MakeCommitLoggerThunk: MakeNoopCommitLogger,
DistanceProvider: distancer,
VectorForIDThunk: func(ctx context.Context, id uint64) ([]float32, error) {
return vectors[int(id)], nil
},
TempVectorForIDThunk: func(ctx context.Context, id uint64, container *common.VectorSlice) ([]float32, error) {
copy(container.Slice, vectors[int(id)])
return container.Slice, nil
},
}, uc,
cyclemanager.NewCallbackGroupNoop(), cyclemanager.NewCallbackGroupNoop(), cyclemanager.NewCallbackGroupNoop(), store)
require.NoError(t, err)
defer func() {
err := index.Shutdown(ctx)
require.NoError(t, err)
}()
compressionhelpers.Concurrently(uint64(len(vectors)), func(id uint64) {
index.Add(uint64(id), vectors[id])
})
uc.PQ = ent.PQConfig{
Enabled: true,
Encoder: ent.PQEncoder{
Type: ent.PQEncoderTypeKMeans,
Distribution: ent.PQEncoderDistributionNormal,
},
Segments: 0,
Centroids: 256,
}
index.compress(uc)
assert.Equal(t, expectedSegments, int(index.compressor.ExposeFields().M))
assert.Equal(t, expectedSegments, index.pqConfig.Segments)
}
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