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MySQL/MariaDB Calculator - Optimize Database Server Configuration
Generate optimal MySQL/MariaDB configuration based on server RAM and workload type. Calculate innodb_buffer_pool_size, max_connections, and 25+ parameters for 5 MySQL/MariaDB versions. Pair with PHP-FPM Calculator for complete server optimization and compare database performance benchmarks.
Key Features
- Calculate innodb_buffer_pool_size
- Optimize max_connections
- 25+ parameter optimization
- 5 MySQL/MariaDB versions support
- Workload-based recommendations
Use Cases
- MySQL performance tuning
- Database server optimization
- High traffic configuration
- Resource allocation planning
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MySQL/MariaDB Calculator
Generate optimal MySQL/MariaDB configuration based on your server RAM, workload type, and database version. Calculate innodb_buffer_pool_size, max_connections, and 25+ parameters with industry-standard formulas.
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Configuration
ℹ️ High transactions, many connections, small queries
Server's total physical RAM (minimum 2 GB)
For OS, background services
PHP-FPM, Nginx, Redis, etc.
📊 Memory Breakdown
🔹 Key Parameters
ℹ️ Caches table data and indexes. Most critical MySQL setting for performance.
ℹ️ Larger = better write performance, slower crash recovery
📝 Generated MySQL Configuration
[mysqld] # === INNODB SETTINGS === innodb_buffer_pool_size = 2304M innodb_buffer_pool_instances = 2 innodb_log_file_size = 576M innodb_log_files_in_group = 2 innodb_flush_method = O_DIRECT innodb_flush_log_at_trx_commit = 2 innodb_file_per_table = 1 innodb_io_capacity = 5000 innodb_io_capacity_max = 10000 # === CONNECTION SETTINGS === max_connections = 150 max_connect_errors = 100000 thread_cache_size = 10 table_open_cache = 300 # === BUFFER SETTINGS === tmp_table_size = 64M max_heap_table_size = 64M join_buffer_size = 256K sort_buffer_size = 256K read_buffer_size = 128K read_rnd_buffer_size = 256K # === LOGGING === slow_query_log = 1 slow_query_log_file = /var/log/mysql/slow.log long_query_time = 2 # === BINARY LOGGING === binlog_cache_size = 32K max_binlog_size = 500M expire_logs_days = 7
📍 Config file location:
Linux: /etc/mysql/my.cnf • Windows: C:\ProgramData\MySQL\my.ini • macOS: /etc/my.cnf
📊 Estimated Memory Usage
⚠️ Warnings
LOW: Safety margin below 512 MB. Consider reducing max_connections or increasing RAM.
💡 Recommendations & Best Practices
📟 Monitoring Commands
Check Buffer Pool Usage:
SHOW GLOBAL STATUS LIKE 'Innodb_buffer_pool_%';
Monitor Connections:
SHOW STATUS LIKE 'Threads_%'; SHOW PROCESSLIST;
Check Temp Table Usage:
SHOW STATUS LIKE 'Created_tmp%';
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Frequently Asked Questions
What is innodb_buffer_pool_size and why is it critical?
The innodb_buffer_pool_size is MySQL's most important setting, caching table data and indexes in memory for faster access. Typically set to 70-80% of available RAM on dedicated database servers. Use this calculator with PHP-FPM Calculator for complete optimization and compare performance on VPS benchmarks.
How do I choose between MySQL and MariaDB for my VPS?
Both are excellent choices with similar configuration parameters. MariaDB offers better performance in some scenarios and is a drop-in replacement for MySQL. Review actual database performance across different VPS providers and use our comparison tool to find the best fit.
What's the difference between OLTP and OLAP workloads?
OLTP (Online Transaction Processing) handles many small transactions like web apps, while OLAP (Online Analytical Processing) processes complex queries for analytics and reporting. Choose based on your application needs. Verify server accessibility with Port Scanner and check DNS configuration for database connectivity.
How can I monitor MySQL performance on my VPS?
Use the monitoring commands provided in the results section to track buffer pool usage, connections, and temp tables. Combine MySQL monitoring with PHP-FPM monitoring for complete server visibility and review your dashboard metrics to identify database optimization opportunities.
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About MySQL/MariaDB Calculator
This calculator generates optimal MySQL/MariaDB configurations using industry-standard formulas. It calculates innodb_buffer_pool_size (70-80% of available RAM for dedicated servers), max_connections based on workload type, and 25+ other critical parameters. Always test configurations in non-production environments first.
Formula: Buffer Pool = (Total - Reserved - Other) × 75% (dedicated) or 60% (shared)
