-------- Performance Metrics -----------------------------------------------------------------------
[--] Up for: 19s (38K q [2K qps], 105 conn, TX: 92M, RX: 7M)
[--] Reads / Writes: 99% / 1%
[--] Binary logging is disabled
[--] Physical Memory     : 31.2G
[--] Max MySQL memory    : 197.2G
[--] Other process memory: 0B
[--] Total buffers: 20.8G global + 902.7M per thread (200 max threads)
[--] P_S Max memory usage: 98M
[--] Galera GCache Max memory usage: 0B
[!!] Maximum reached memory usage: 28.8G (92.30% of installed RAM)
[!!] Maximum possible memory usage: 197.2G (631.55% of installed RAM)
[!!] Overall possible memory usage with other process exceeded memory
[OK] Slow queries: 0% (0/38K)
[OK] Highest usage of available connections: 4% (9/200)
[!!] Aborted connections: 5.71%  (6/105)
[!!] name resolution is active : a reverse name resolution is made for each new connection and can reduce performance
[!!] Query cache may be disabled by default due to mutex contention.
[OK] Query cache efficiency: 22.3% (10K cached / 49K selects)
[OK] Query cache prunes per day: 0
[OK] Sorts requiring temporary tables: 0% (0 temp sorts / 1K sorts)
[!!] Joins performed without indexes: 84
[!!] Temporary tables created on disk: 35% (393 on disk / 1K total)
[OK] Thread cache hit rate: 91% (9 created / 105 connections)
[OK] Table cache hit rate: 99% (3K open / 3K opened)
[OK] table_definition_cache(300000) is upper than number of tables(51680)
[OK] Open file limit used: 0% (109/600K)
[OK] Table locks acquired immediately: 100% (55K immediate / 55K locks)


-------- MyISAM Metrics ----------------------------------------------------------------------------
[!!] Key buffer used: 18.3% (3M used / 16M cache)
[!!] Key buffer size / total MyISAM indexes: 16.0M/97.4M
 


-------- InnoDB Metrics ----------------------------------------------------------------------------
[--] InnoDB is enabled.
[--] InnoDB Thread Concurrency: 0
[OK] InnoDB File per table is activated
[OK] InnoDB buffer pool / data size: 20.0G/12.0G
[OK] Ratio InnoDB log file size / InnoDB Buffer pool size: 2.0G * 2/20.0G should be equal to 25%
[OK] InnoDB buffer pool instances: 20
[--] InnoDB Buffer Pool Chunk Size not used or defined in your version
[OK] InnoDB Read buffer efficiency: 99.05% (3084282 hits/ 3113824 total)
[!!] InnoDB Write Log efficiency: 117.24% (34 hits/ 29 total)
[OK] InnoDB log waits: 0.00% (0 waits / 63 writes)