How many concurrent requests can NGINX handle?

How many concurrent requests can NGINX handle?

How many connections can NGINX handle? Each NGINX worker can handle a maximum of 512 concurrent connections. In newer versions, NGINX supports up to 1024 concurrent connections, by default.

How can NGINX handle HTTP requests?

Nginx uses the Reactor pattern. Basically, it’s single-threaded (but can fork several processes to utilize multiple cores). The main event loop waits for the OS to signal a readiness event – e.g. that data is available to read from a socket, at which point it is read into a buffer and processed.

How many streams can NGINX handle?

The default is 512, but most systems have enough resources to support a larger number. The appropriate setting depends on the size of the server and the nature of the traffic, and can be discovered through testing.

How many concurrent requests can a database handle?

By default, SQL Server allows a maximum of 32767 concurrent connections which is the maximum number of users that can simultaneously log in to the SQL server instance.

What is multi accept in nginx?

multi_accept off – A worker process accepts one new connection at a time (the default). If enabled, a worker process accepts all new connections at once. We recommend keeping the default value ( off ), unless you’re sure there’s a benefit to changing it.

How does Nginx process requests?

Rather than creating new processes for each web request, Nginx uses an asynchronous, event-driven approach where requests are handled in a single thread. With Nginx, one master process can control multiple worker processes. The master maintains the worker processes, while the workers do the actual processing.

How does nginx process requests?

What is multi accept in Nginx?

How do you handle concurrent transactions?

thread A from server S1 and thread B from server S2 access the same record R at the same time. First the thread A from server S1 update the value of R to R1 and commit the transaction . At the same time the thread B from server S2 update the value of R to R2 and commit the transaction .

What is multi accept on?

multi_accept off : a worker accepts just a single connection, handles it and then returns to the kernel for the next event to process. multi_accept on : a worker would do accept in a loop until it gets EAGAIN finally.