mysql tuner output

mysql tuner output

-------- Storage Engine Statistics -------------------------------------------
[--] Status: +Archive -BDB -Federated +InnoDB -ISAM -NDBCluster 
[--] Data in InnoDB tables: 610G (Tables: 10)
[--] Data in MyISAM tables: 1K (Tables: 12)
[--] Data in PERFORMANCE_SCHEMA tables: 0B (Tables: 17)
[!!] Total fragmented tables: 10

-------- Security Recommendations  -------------------------------------------
[OK] All database users have passwords assigned

-------- Performance Metrics -------------------------------------------------
[--] Up for: 2m 6s (163 q [1.294 qps], 55 conn, TX: 30K, RX: 10K)
[--] Reads / Writes: 100% / 0%
[--] Total buffers: 55.1G global + 2.7M per thread (151 max threads)
[!!] Maximum possible memory usage: 55.5G (88% of installed RAM)
[OK] Slow queries: 0% (0/163)
[OK] Highest usage of available connections: 0% (1/151)
[OK] Key buffer size / total MyISAM indexes: 16.0M/136.0K
[!!] Query cache efficiency: 0.0% (0 cached / 96 selects)
[OK] Query cache prunes per day: 0
[OK] Temporary tables created on disk: 20% (54 on disk / 269 total)
[OK] Thread cache hit rate: 98% (1 created / 55 connections)
[OK] Table cache hit rate: 24% (63 open / 259 opened)
[OK] Open file limit used: 7% (73/1K)
[OK] Table locks acquired immediately: 100% (74 immediate / 74 locks)
[!!] InnoDB data size / buffer pool: 610.9G/55.0G

-------- Recommendations -----------------------------------------------------
General recommendations:
    Run OPTIMIZE TABLE to defragment tables for better performance
    MySQL started within last 24 hours - recommendations may be inaccurate
    Reduce your overall MySQL memory footprint for system stability
Variables to adjust:
    query_cache_limit (> 1M, or use smaller result sets)
    innodb_buffer_pool_size (>= 610G)