Buffer Memory Pools

const buffer = Buffer.from([1,2,3])

buffer.length

buffer.buffer.byteLength

buffer.byteOffset

Buffer.poolSize

const largeBuffer = Buffer.allocUnsafe(4096).fill('a')

largeBuffer.buffer.byteLength

const largeBufferAlloc = Buffer.alloc(20, 'a') largeBufferAlloc.buffer.byteLength

const largeBufferAllocUnsafe = Buffer.allocUnsafe(20).fill('a') largeBufferAllocUnsafe.buffer.byteLength

const bufferFromSmallString = Buffer.from('Short...') bufferFromSmallString.buffer.byteLength

const bufferFromRegularArray = Buffer.from([1,2,3]) bufferFromSmallString.buffer.byteLength

const uint8Array = new Uint8Array({length: 5}) const bufferFromUint8Array = Buffer.from(uint8Array) bufferFromUint8Array.buffer.byteLength

const bufferFromArrayBuffer = Buffer.from(uint8Array.buffer) bufferFromArrayBuffer.buffer.byteLength

console.log(uint8Array.buffer === bufferFromArrayBuffer.buffer) console.log(uint8Array.buffer === bufferFromUint8Array.buffer)