diff --git a/logotel/.golangci.yaml b/logotel/.golangci.yaml
new file mode 100644
index 0000000..d884b2f
--- /dev/null
+++ b/logotel/.golangci.yaml
@@ -0,0 +1,141 @@
+## 基于 golangci-lint@v1.52.2
+run:
+  timeout: 1m
+  build-tags: [ ]
+  skip-dirs: [ ]
+  skip-files: [ ]
+linters:
+  disable-all: true
+  enable:
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - typecheck
+    - unused
+    - asasalint
+    - asciicheck
+    - bidichk
+    - bodyclose
+    - containedctx
+    - cyclop
+    - dupl
+    - durationcheck
+    - errname
+    - errorlint
+    - exhaustive
+    - exportloopref
+    - funlen
+    - gocheckcompilerdirectives
+    - gochecknoinits
+    - goconst
+    - gocritic
+    - gocyclo
+    - goimports
+    - gomnd
+    - goprintffuncname
+    - gosec
+    - lll
+    - loggercheck
+    - makezero
+    - nakedret
+    - nestif
+    - nilnil
+    - noctx
+    - nolintlint
+    - prealloc
+    - predeclared
+    - promlinter
+    - reassign
+    - revive
+    - rowserrcheck
+    - stylecheck
+    - tenv
+    - testableexamples
+    - testpackage
+    - tparallel
+    - unconvert
+    - unparam
+    - usestdlibvars
+    - wastedassign
+    - whitespace
+linters-settings:
+  errcheck:
+    check-type-assertions: true
+    exclude-functions: [ ]
+  govet:
+    enable-all: true
+    disable: [ ]
+  cyclop:
+    max-complexity: 10
+    package-average: 0.0
+  dupl:
+    threshold: 150
+  exhaustive:
+    check:
+      - switch
+      - map
+  funlen:
+    lines: 100
+    statements: 60
+  gocritic:
+    disabled-checks:
+      - commentFormatting
+    settings:
+      captLocal:
+        paramsOnly: false
+      underef:
+        skipRecvDeref: false
+  gocyclo:
+    min-complexity: 20
+  gomnd:
+    ignored-functions:
+      - os.Chmod
+      - os.Mkdir
+      - os.MkdirAll
+      - os.OpenFile
+      - os.WriteFile
+      - prometheus.ExponentialBuckets
+      - prometheus.ExponentialBucketsRange
+      - prometheus.LinearBuckets
+  lll:
+    line-length: 240
+  nakedret:
+    max-func-lines: 10
+  nestif:
+    min-complexity: 5
+  predeclared:
+    ignore: ""
+    q: false
+  reassign:
+    patterns:
+      - ".*"
+  rowserrcheck:
+    packages:
+      - github.com/jmoiron/sqlx
+  tenv:
+    all: true
+  usestdlibvars:
+    time-month: true
+    time-layout: true
+    crypto-hash: true
+    default-rpc-path: true
+    os-dev-null: true
+    sql-isolation-level: true
+    tls-signature-scheme: true
+    constant-kind: true
+    syslog-priority: true
+issues:
+  max-same-issues: 10
+  exclude-rules:
+    - source: "//noinspection"
+      linters: [ gocritic ]
+    - path: "_test\\.go"
+      linters:
+        - bodyclose
+        - dupl
+        - funlen
+        - goconst
+        - gosec
+        - noctx
diff --git a/logotel/go.mod b/logotel/go.mod
index f7f2f50..432754c 100644
--- a/logotel/go.mod
+++ b/logotel/go.mod
@@ -3,7 +3,7 @@ module git.blauwelle.com/go/crate/logotel
 go 1.20
 
 require (
-	git.blauwelle.com/go/crate/log v0.8.0
+	git.blauwelle.com/go/crate/log v0.9.0
 	go.opentelemetry.io/otel v1.13.0
 	go.opentelemetry.io/otel/trace v1.13.0
 )
diff --git a/logotel/go.sum b/logotel/go.sum
index 3eb48ac..6f418a7 100644
--- a/logotel/go.sum
+++ b/logotel/go.sum
@@ -1,5 +1,5 @@
-git.blauwelle.com/go/crate/log v0.8.0 h1:TINzuFo330MZIagzdULouwBoLCcLIB4yjI/G1IH0I+0=
-git.blauwelle.com/go/crate/log v0.8.0/go.mod h1:jfVfpRODZTA70A8IkApVeGsS1zfLk1D77sLWZM/w+L0=
+git.blauwelle.com/go/crate/log v0.9.0 h1:H01AQIKcYybeCZGdReBzMoWhkXPQJAoY1t+K0J1asEk=
+git.blauwelle.com/go/crate/log v0.9.0/go.mod h1:jfVfpRODZTA70A8IkApVeGsS1zfLk1D77sLWZM/w+L0=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
diff --git a/logotel/option.go b/logotel/option.go
index b7de4c0..bd762ef 100644
--- a/logotel/option.go
+++ b/logotel/option.go
@@ -4,13 +4,18 @@ import (
 	"git.blauwelle.com/go/crate/log/logsdk/logjson"
 )
 
+const (
+	bytesBufferInitialSize = 512
+	bytesBufferMaximumSize = 4096
+)
+
 func newConfig(opts ...Option) *config {
 	cfg := defaultConfig()
 	for _, opt := range opts {
 		opt.apply(cfg)
 	}
 	if !cfg.hasPool {
-		cfg.bytesBufferPool = logjson.NewBytesBufferPool(512, 4096)
+		cfg.bytesBufferPool = logjson.NewBytesBufferPool(bytesBufferInitialSize, bytesBufferMaximumSize)
 	}
 	return cfg
 }
diff --git a/logotel/processor.go b/logotel/processor.go
index 079c8b2..8f9f89c 100644
--- a/logotel/processor.go
+++ b/logotel/processor.go
@@ -36,7 +36,8 @@ func (processor *Processor) Process(ctx context.Context, entry logsdk.ReadonlyEn
 		return
 	}
 
-	attrs := make([]attribute.KeyValue, 0, len(entry.Fields)+6)
+	const entryInitSize = 6
+	attrs := make([]attribute.KeyValue, 0, len(entry.Fields)+entryInitSize)
 	attrs = append(attrs, attribute.String("log.severity", entry.Level.String()))
 	attrs = append(attrs, attribute.String("log.message", entry.Message))
 	if entry.Caller.IsValid() {