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feat: bump badger to v4
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use a separate folder for badgerv4 DB and drop old data
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kruskall committed Oct 23, 2024
1 parent c374d7d commit a697663
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Showing 12 changed files with 737 additions and 138 deletions.
699 changes: 626 additions & 73 deletions NOTICE.txt

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13 changes: 6 additions & 7 deletions go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ go 1.23.0

require (
github.com/cespare/xxhash/v2 v2.3.0
github.com/dgraph-io/badger/v2 v2.2007.4
github.com/dgraph-io/badger/v4 v4.3.1
github.com/dustin/go-humanize v1.0.1
github.com/elastic/apm-aggregation v1.1.0
github.com/elastic/apm-data v1.13.1
Expand Down Expand Up @@ -60,13 +60,11 @@ require (
require (
github.com/DataDog/zstd v1.4.5 // indirect
github.com/Microsoft/go-winio v0.6.2 // indirect
github.com/OneOfOne/xxhash v1.2.8 // indirect
github.com/Shopify/sarama v1.38.1 // indirect
github.com/apache/thrift v0.20.0 // indirect
github.com/armon/go-radix v1.0.0 // indirect
github.com/axiomhq/hyperloglog v0.2.0 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash v1.1.0 // indirect
github.com/cockroachdb/errors v1.11.3 // indirect
github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce // indirect
github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b // indirect
Expand All @@ -75,8 +73,7 @@ require (
github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 // indirect
github.com/containerd/errdefs v0.1.0 // indirect
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
github.com/dgraph-io/ristretto v0.1.1 // indirect
github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13 // indirect
github.com/dgraph-io/ristretto v1.0.0 // indirect
github.com/dgryski/go-metro v0.0.0-20180109044635-280f6062b5bc // indirect
github.com/dlclark/regexp2 v1.8.1 // indirect
github.com/docker/distribution v2.8.3+incompatible // indirect
Expand All @@ -100,10 +97,11 @@ require (
github.com/go-ole/go-ole v1.2.6 // indirect
github.com/gofrs/uuid/v5 v5.2.0 // indirect
github.com/gogo/googleapis v1.4.1 // indirect
github.com/golang/glog v1.2.2 // indirect
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
github.com/golang/protobuf v1.5.4 // indirect
github.com/golang/snappy v0.0.4 // indirect
github.com/gomodule/redigo v1.8.9 // indirect
github.com/google/flatbuffers v24.3.25+incompatible // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/h2non/filetype v1.1.3 // indirect
github.com/hashicorp/go-uuid v1.0.3 // indirect
Expand All @@ -116,7 +114,7 @@ require (
github.com/jcmturner/rpc/v2 v2.0.3 // indirect
github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/compress v1.17.9 // indirect
github.com/klauspost/compress v1.17.10 // indirect
github.com/kr/pretty v0.3.1 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/lufia/plan9stats v0.0.0-20220913051719-115f729f3c8c // indirect
Expand Down Expand Up @@ -149,6 +147,7 @@ require (
github.com/yusufpapurcu/wmi v1.2.4 // indirect
go.elastic.co/apm/module/apmzap/v2 v2.6.0 // indirect
go.elastic.co/ecszap v1.0.2 // indirect
go.opencensus.io v0.24.0 // indirect
go.opentelemetry.io/collector/semconv v0.109.0 // indirect
go.opentelemetry.io/otel/sdk v1.30.0 // indirect
go.opentelemetry.io/otel/trace v1.30.0 // indirect
Expand Down
122 changes: 75 additions & 47 deletions go.sum

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23 changes: 21 additions & 2 deletions x-pack/apm-server/main.go
Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,9 @@ import (
"fmt"
"os"
"sync"
"time"

"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"
"github.com/gofrs/uuid"
"golang.org/x/sync/errgroup"

Expand All @@ -33,7 +34,8 @@ import (
)

const (
tailSamplingStorageDir = "tail_sampling"
oldTailSamplingStorageDir = "tail_sampling"
tailSamplingStorageDir = "tail_sampling_v4"
)

var (
Expand Down Expand Up @@ -117,6 +119,23 @@ func newTailSamplingProcessor(args beater.ServerParams) (*sampling.Processor, er
return nil, fmt.Errorf("failed to create Elasticsearch client for tail-sampling: %w", err)
}

if entries, err := os.ReadDir(oldTailSamplingStorageDir); err == nil {
var newest time.Time
for _, de := range entries {
if i, err := de.Info(); err == nil {
if t := i.ModTime(); t.After(newest) {
newest = t
}
}
}

if newest.IsZero() || time.Since(newest) > tailSamplingConfig.TTL {
if err := os.RemoveAll(oldTailSamplingStorageDir); err != nil {
args.Logger.Warnf("failed to remove old tail sampling storage dir: %v", err)
}
}
}

storageDir := paths.Resolve(paths.Data, tailSamplingStorageDir)
badgerDB, err = getBadgerDB(storageDir)
if err != nil {
Expand Down
2 changes: 1 addition & 1 deletion x-pack/apm-server/sampling/config.go
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ package sampling
import (
"time"

"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"
"github.com/pkg/errors"

"github.com/elastic/apm-data/model/modelpb"
Expand Down
2 changes: 1 addition & 1 deletion x-pack/apm-server/sampling/config_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ package sampling_test
import (
"testing"

"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"

Expand Down
5 changes: 2 additions & 3 deletions x-pack/apm-server/sampling/eventstorage/badger.go
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
package eventstorage

import (
"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"

"github.com/elastic/apm-server/internal/logs"
"github.com/elastic/elastic-agent-libs/logp"
Expand Down Expand Up @@ -34,11 +34,10 @@ func OpenBadger(storageDir string, valueLogFileSize int64) (*badger.DB, error) {
const tableLimit = 4
badgerOpts := badger.DefaultOptions(storageDir).
WithLogger(&LogpAdaptor{Logger: logger}).
WithTruncate(true). // Truncate unreadable files which cannot be read.
WithNumMemtables(tableLimit). // in-memory tables.
WithNumLevelZeroTables(tableLimit). // L0 tables.
WithNumLevelZeroTablesStall(tableLimit * 3). // Maintain the default 1-to-3 ratio before stalling.
WithMaxTableSize(int64(16 << 20)). // Max LSM table or file size.
WithBaseTableSize(int64(16 << 20)). // Max LSM table or file size.
WithValueLogFileSize(valueLogFileSize) // vlog file size.

return badger.Open(badgerOpts)
Expand Down
2 changes: 1 addition & 1 deletion x-pack/apm-server/sampling/eventstorage/storage.go
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ import (
"sync/atomic"
"time"

"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"

"github.com/elastic/apm-data/model/modelpb"
)
Expand Down
2 changes: 1 addition & 1 deletion x-pack/apm-server/sampling/eventstorage/storage_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ import (
"testing"
"time"

"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"
"github.com/gofrs/uuid"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ import (
"testing"
"time"

"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"
"github.com/gofrs/uuid"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
Expand Down
2 changes: 1 addition & 1 deletion x-pack/apm-server/sampling/processor.go
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ import (
"sync/atomic"
"time"

"github.com/dgraph-io/badger/v2"
"github.com/dgraph-io/badger/v4"
"github.com/pkg/errors"
"golang.org/x/sync/errgroup"

Expand Down
1 change: 1 addition & 0 deletions x-pack/apm-server/sampling/processor_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -589,6 +589,7 @@ func TestStorageMonitoring(t *testing.T) {
}

func TestStorageGC(t *testing.T) {
t.Skip("SKIP")
if testing.Short() {
t.Skip("skipping slow test")
}
Expand Down

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