Добрый день.
Сайт находитя на VPS(10 GB RAM, 2 CPU core, 65 GB SSD).
Я поставил mysqltuner и получил рекомендации по настройке mysql.
Хочу уточнить, какие из этих рекомендаций нужно применить для получения производительности.
И какие значения поставить mysql параметрам?
Текущие настройки Mysql
Рекомендации Mysqltuner
Сайт находитя на VPS(10 GB RAM, 2 CPU core, 65 GB SSD).
Я поставил mysqltuner и получил рекомендации по настройке mysql.
Хочу уточнить, какие из этих рекомендаций нужно применить для получения производительности.
И какие значения поставить mysql параметрам?
Текущие настройки Mysql
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[mysqld] key_buffer_size = 8388608 innodb_buffer_pool_size = 368M query_cache_size = 32M max_heap_table_size = 147M tmp_table_size = 147M join_buffer_size = 1887K innodb_flush_log_at_trx_commit = 2 explicit_defaults_for_timestamp = 0 sql_mode= query_cache_type = 1 |
Рекомендации Mysqltuner
Цитата |
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>> MySQLTuner 1.3.0 - Major Hayden < >> Bug reports, feature requests, and downloads at >> Run with '--help' for additional options and output filtering [OK] Logged in using credentials fr om debian maintenance account. [OK] Currently running supported MySQL version 5.6.40 [OK] Operating on 64-bit architecture -------- Storage Engine Statistics ------------------------------------------- [--] Status: +ARCHIVE +BLACKHOLE +CSV -FEDERATED +InnoDB +MRG_MYISAM [--] Data in InnoDB tables: 7G (Tables: 818) [--] Data in MyISAM tables: 37M (Tables: 5) [--] Data in PERFORMANCE_SCHEMA tables: 0B (Tables: 52) [!!] Total fragmented tables: 83 -------- Security Recommendations ------------------------------------------- [OK] All database users have passwords assigned -------- Performance Metrics ------------------------------------------------- [--] Up for: 24d 1h 45m 56s (126M q [61.024 qps], 2M conn, TX: 577B, RX: 115B) [--] Reads / Writes: 57% / 43% [--] Total buffers: 571.0M global + 2.7M per thread (151 max threads) [OK] Maximum possible memory usage: 981.4M (9% of installed RAM) [OK] Slow queries: 0% (541/126M) [OK] Highest usage of available connections: 43% (66/151) [OK] Key buffer size / total MyISAM indexes: 8.0M/4.5M [OK] Key buffer hit rate: 100.0% (3B cached / 4K reads) [OK] Query cache efficiency: 80.7% (81M cached / 100M selects) [!!] Query cache prunes per day: 235085 [OK] Sorts requiring temporary tables: 0% (27K temp sorts / 4M sorts) [!!] Joins performed without indexes: 61175 [!!] Temporary tables created on disk: 42% (2M on disk / 6M total) [OK] Thread cache hit rate: 99% (2K created / 2M connections) [OK] Table cache hit rate: 56% (1K open / 3K opened) [OK] Open file limit used: 0% (61/16K) [OK] Table locks acquired immediately: 99% (77M immediate / 77M locks) [!!] InnoDB buffer pool / data size: 368.0M/7.2G [OK] InnoDB log waits: 0 -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance Adjust your join queries to always utilize indexes When making adjustments, make tmp_table_size/max_heap_table_size equal Reduce your SELECT DISTINCT queries without LIM IT clauses Variables to adjust: query_cache_size (> 32M) join_buffer_size (> 1.8M, or always use indexes with joins) tmp_table_size (> 147M) max_heap_table_size (> 147M) innodb_buffer_pool_size (>= 7G) |