sendfile and tcp_nopush in Nginx - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to enable zero-copy file transfer in nginx.

Nginx

sendfile [1];

Drag options to blanks, or click blank then click option'

Aon

Boff

Cauto

Denable

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'off' disables sendfile, which is the default but slower.

Using 'enable' is not a valid nginx option.

Setting sendfile on; enables zero-copy file transfer, improving performance.

2fill in blank

medium

Complete the code to enable tcp_nopush in nginx for better packet handling.

Nginx

tcp_nopush [1];

Drag options to blanks, or click blank then click option'

Aoff

Bon

Cfalse

Ddisable

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'off' disables tcp_nopush, which may reduce performance.

Using 'disable' or 'false' are not valid nginx options.

Setting tcp_nopush on; allows nginx to send headers in one packet, improving network efficiency.

3fill in blank

hard

Fix the error in the nginx configuration to properly enable sendfile.

Nginx

sendfile [1];

Drag options to blanks, or click blank then click option'

Ayes

Benable

Ctrue

Don

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'enable' or 'true' instead of 'on' causes nginx to fail parsing the config.

The correct syntax to enable sendfile is sendfile on;. Other values cause errors.

4fill in blank

hard

Fill both blanks to configure nginx for optimal file sending with sendfile and tcp_nopush.

Nginx

sendfile [1];
tcp_nopush [2];

Drag options to blanks, or click blank then click option'

Aon

Boff

Attempts:

3 left

💡 Hint

Common Mistakes

Turning off either sendfile or tcp_nopush reduces performance benefits.

Both sendfile and tcp_nopush should be set to on for best performance.

5fill in blank

hard

Fill all three blanks to complete the nginx configuration snippet for efficient file serving.

Nginx

server {
    listen 80;
    root /var/www/html;
    sendfile [1];
    tcp_nopush [2];
    keepalive_timeout [3];
}

Drag options to blanks, or click blank then click option'

Aon

C65

D30

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'off' disables performance features.

Setting keepalive_timeout too low can reduce connection reuse.

Setting sendfile and tcp_nopush to on enables efficient file transfer. keepalive_timeout 65; is a common default to keep connections alive longer.