Node.js - Buffer.poolSize property

The NodeJS Buffer.poolSize is a property of the class Buffer in NodeJS Buffer. It allocates the size in bytes towards Buffer instances which are later used by NodeJs for pooling.

The default value given to poolSize is 8192 bytes. The value can be changed by assigning a value to poolSize.

Syntax

Following is the syntax of the NodeJS Buffer poolSize property −

Buffer.poolSize = value

Example

In this example will just console the NodeJS Buffer.poolSize to see what the default value is.

console.log("The poolSize value is :" + Buffer.poolSize);

Output

The poolSize value is :8192

Example

Let us change the poolSize to a value we need as shown in the example below.

console.log("The poolSize value is :" + Buffer.poolSize);
Buffer.poolSize = 1536
console.log("The poolSize value after changing is :"+ Buffer.poolSize);

Output

The poolSize value is :8192
The poolSize value after changing is :1536