How many transactions can MySQL handle per second?

How many transactions can MySQL handle per second?

The maximum theoretical throughput of MySQL is equivalent to the maximum number of fsync(2) per second.

What is transaction per second in PostgreSQL?

pgbench is a simple program for running benchmark tests on PostgreSQL. It runs the same sequence of SQL commands over and over, possibly in multiple concurrent database sessions, and then calculates the average transaction rate (transactions per second). (In -T mode, only the actual number of transactions is printed.)

How many users can MySQL handle?

It then grows to 70 microseconds for 128 clients, 140 microseconds for 256 clients, and 300 microseconds for 512 clients. MySQL reaches maximum efficiency for 128 user threads, with its max TPS (1.8 million) and low latency (70 microseconds).

How many queries MySQL can handle?

MySQL :: Wikipedia’s MySQL databases handle over 25,000 SQL queries per second.

How many writes can Postgres handle?

But, data ingestion may have much higher requirements. When using Postgres if you do need writes exceeding 10,000s of INSERT s per second we turn to the Postgres COPY utility for bulk loading. COPY is capable of handling 100,000s of writes per second.

How many users 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.

How many open connections can MySQL handle?

By default 151 is the maximum permitted number of simultaneous client connections in MySQL 5.5. If you reach the limit of max_connections you will get the “Too many connections” error when you to try to connect to your MySQL server. This means all available connections are in use by other clients.

How many requests does MySQL handle per second?

The actual numbers are as always, very super super top secret. 600 requests per second. Average 200-300 connections per second. Spiking to 800 connections per second. MySQL handled 2,400 requests per second.

What’s the ” average ” number of requests per second?

Over 350,000 users. The actual numbers are as always, very super super top secret. 600 requests per second. Average 200-300 connections per second. Spiking to 800 connections per second. MySQL handled 2,400 requests per second. 180 Rails instances. Uses Mongrel as the “web” server.

What’s the average time spent in a database?

Average time spent in the database is 50-100 milliseconds. Over 16 GB of memcached. When I go to the control panel of my webhost, open up phpMyAdmin, and click on “Show MySQL runtime information”, I get: This MySQL server has been running for 53 days, 15 hours, 28 minutes and 53 seconds. It started up on Oct 24, 2008 at 04:03 AM.

What’s the ” average ” request per second for a rails server?

Process a request in 200 milliseconds in Rails. Average time spent in the database is 50-100 milliseconds. Over 16 GB of memcached. When I go to the control panel of my webhost, open up phpMyAdmin, and click on “Show MySQL runtime information”, I get: This MySQL server has been running for 53 days, 15 hours, 28 minutes and 53 seconds.