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Is ANALYZE TABLE Safe on a Busy MySQL Database Server?

Percona

MySQL Server – Community Edition The problem applies to all versions of the upstream MySQL Community up to 8.0.23. Here is an example scenario you may end up here: mysql > select @@version,@@version_comment; + --+ + | @@version | @@version_comment | + --+ + | 5.7.43 | MySQL Community Server (GPL) | + --+ + 1 row in set (0.00

Servers 99
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Audit DROP Statements in Percona Server for MySQL

Percona

Managing database servers involves different aspects, among which security is critical. However, we know having a “runaway” grant is always a possibility, especially in environments with a large number of servers. Fortunately, in Percona Server for MySQL , this feature is free to use. How does it work?

Servers 86
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Should You Keep Your Business Logic In Your Database?

Percona

Open source database architects usually do not implement business logic in their databases. This is in stark contrast to many commercial databases where this is a common practice. In the first case, all the heuristics are kept at the application layer, and the database has little or no effect on the data quality.

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Identify Active Databases and Users in MySQL

Percona

Database administrators often need to identify inactive databases and users to save resources. This can be done using various methods to determine which databases and users are frequently accessed. We can save disk space and other resources by purging inactive databases and users.

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Designing Instagram

High Scalability

When the server receives a request for an action (post, like etc.) We will use a graph database such as Neo4j to store the information. Additionally, we can use columnar databases like Cassandra to store information like user feeds, activities, and counters. Sample Queries supported by Graph Database. High Level Design.

Design 334
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MySQL Performance Tuning 101: Key Tips to Improve MySQL Database Performance

Percona

MySQL performance tuning offers several significant advantages for effective database management and optimization. Enhanced Database Efficiency By adjusting configuration settings, you can markedly enhance the overall efficiency of your MySQL database. Experiencing database performance issues?

Tuning 52
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How It Works: SQL Server Lock Partitioning

SQL Server According to Bob

Previous posts have discussed partitioning, for example, a partitioned memory object [link] and how a latch maintains the desired access (exclusive, shared, …) [link]. Acquiring shared access requires only the local partition be acquired (lightweight scalability). Bob Dorr – Principal Software Engineer SQL Server.

Servers 103