merge from github.com/snonux/dtail

1 files changed, 22 insertions, 0 deletions

diff --git a/internal/io/pool/bytesbuffer.go b/internal/io/pool/bytesbuffer.go
new file mode 100644
index 0000000..3d48f2c
--- /dev/null
+++ b/internal/io/pool/bytesbuffer.go
@@ -0,0 +1,22 @@
+package pool
+
+import (
+	"bytes"
+	"sync"
+)
+
+// BytesBuffer is there to optimize memory allocations. DTail otherwise allocates
+// a lot of memory while reading logs.
+var BytesBuffer = sync.Pool{
+	New: func() interface{} {
+		b := bytes.Buffer{}
+		b.Grow(128)
+		return &b
+	},
+}
+
+// RecycleBytesBuffer recycles the buffer again.
+func RecycleBytesBuffer(b *bytes.Buffer) {
+	b.Reset()
+	BytesBuffer.Put(b)
+}