>> MySQLTuner 1.0.1 - Major Hayden -------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.1.41-3ubuntu12.3 [OK] Operating on 32-bit architecture with less than 2GB RAM -------- Storage Engine Statistics ------------------------------------------- [--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster [--] Data in InnoDB tables: 267M (Tables: 9) [!!] Total fragmented tables: 9 -------- Performance Metrics ------------------------------------------------- [--] Up for: 23d 5h 10m 52s (1M q [0.928 qps], 13K conn, TX: 2B, RX: 544M) [--] Reads / Writes: 34% / 66% [--] Total buffers: 386.0M global + 12.3M per thread (151 max threads) [!!] Allocating > 2GB RAM on 32-bit systems can cause system instability [!!] Maximum possible memory usage: 2.2G (111% of installed RAM) [OK] Slow queries: 0% (0/1M) [OK] Highest usage of available connections: 7% (11/151) [!!] Cannot calculate MyISAM index size - re-run script as root user [OK] Query cache efficiency: 53.8% (267K cached / 497K selects) [!!] Query cache prunes per day: 4842 [OK] Sorts requiring temporary tables: 0% (0 temp sorts / 4K sorts) [!!] Temporary tables created on disk: 36% (21K on disk / 58K total) [OK] Thread cache hit rate: 99% (11 created / 13K connections) [OK] Table cache hit rate: 23% (48 open / 207 opened) [OK] Open file limit used: 4% (46/1K) [OK] Table locks acquired immediately: 99% (668K immediate / 668K locks) [!!] InnoDB data size / buffer pool: 267.2M/8.0M -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance Enable the slow query log to troubleshoot bad queries When making adjustments, make tmp_table_size/max_heap_table_size equal Reduce your SELECT DISTINCT queries without LIMIT clauses Variables to adjust: *** MySQL's maximum memory usage is dangerously high *** *** Add RAM before increasing MySQL buffer variables *** query_cache_size (> 60M) tmp_table_size (> 16M) max_heap_table_size (> 16M) innodb_buffer_pool_size (>= 267M)