Node.js Buffer.poolSize Property

Last Updated : 13 Oct, 2021
The Buffer.poolSize property is an inbuilt application programming interface of class Buffer with in Buffer module that gives the size (in bytes) of pre-allocated internal Buffer instances used for pooling. This value may be modified. Syntax: 
Buffer.poolSize = value
Return Value: It returns the size of the internal Buffer instances used for pooling. Example 1: javascript 
// Node.js program to demonstrate the   
// Buffer.poolSize property

// Assign the poolsize to the buffer
Buffer.poolSize = 1024;

// Display the buffer poolsize
console.log(Buffer.poolSize);
Output: 
1024
Example 2: javascript 
// Node.js program to demonstrate the   
// Buffer.poolSize property

// Display the default buffer poolsize
console.log(Buffer.poolSize);
Output: 
8192
Reference:https://nodejs.org/api/buffer.html#buffer_class_property_buffer_poolsize
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