Remove 2000 Remove Database Remove Monitoring Remove Scalability
article thumbnail

Dealing With “Too Many Connections” Error in MySQL 8

Percona

Over the years of being a DBA, I had to deal with all kinds of problems in the database. Still, the users keep falling into this trap, maybe because of a poorly configured database, a change in the application components, or just because of a sudden increase of connections in the application. A lot has been written about this error.

C++ 94
article thumbnail

Using Jobs to Perform Schema Changes Against MySQL Databases on K8s

Percona

[mysql@percona-client /]$ mysql -h minimal-cluster-pxc -u root -p Enter password: Welcome to the MySQL monitor. Copyright (c) 2009-2023 Percona LLC and/or its affiliates Copyright (c) 2000, 2023, Oracle and/or its affiliates. mysql> create database if not exists atsaloux; Query OK, 1 row affected (0.02 drop_triggers:10000:0.25,copy_rows:10000:0.25,swap_tables:10000:0.25,update_foreign_keys:10000:0.25,analyze_table:10000:0.25

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

Impact of Querying Table Information From information_schema

Percona

On MySQL and Percona Server for MySQL , there is a schema called information_schema (I_S) which provides information about database tables, views, indexes, and more. When running only sysbench, there is a high number of cache hits (~99.98%) and a low number of “misses,” which means the table_cache is big enough for the workload.

Cache 102
article thumbnail

Purging Data When the Table Is Big and Has Children Tables

Percona

Hello friends, at Percona Managed Services, we usually do different types of things every day, including routine tasks, monitoring, and, very frequently, answering questions that are not always easy to answer. Check the database’s topology, whether one or more servers were replicating, if it was a Percona XtraDB Cluster , etc.

Database 100
article thumbnail

Proof of Concept: Horizontal Write Scaling for MySQL With Kubernetes Operator

Percona

The main reason behind this is that MySQL is a relational database system (RDBMS), and any data that is going to be written in it must respect the RDBMS rules. As said, the last one is probably the most powerful, scalable, and difficult to design, and unfortunately, it represents probably less than 5% of the solution currently deployed.

Traffic 124
article thumbnail

Percona’s MySQL Audit Log Plugin – An Enterprise Feature at a Community Price

Percona

The need to audit who is using a database and their activities is crucial in many environments. 22 Percona Server (GPL), Release '22', Revision '7e301439b65' Copyright (c) 2009-2022 Percona LLC and/or its affiliates Copyright (c) 2000, 2022, Oracle and/or its affiliates. Percona Server for MySQL is a drop-in replacement for MySQL.

article thumbnail

The Different Software Testing Types Explained

Testsigma

However, Non-Functional testing is equally important as Functional testing is obviously, no one will want to use an application which is not scalable or secure, or let’s say can’t handle a load of many DB operations at an instance. How well the application will perform under stressful conditions of Database, Users, Data Load etc.