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Mysqltuner some of lines dont understand.

Discussion in 'Workarounds and Optimization' started by Bidi, Jun 21, 2014.

  1. Bidi

    Bidi Well-Known Member

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    Hy there i run mysqltuner somptimes to see if my mysql is settet corectly but some of the lines i dont understand them. Can you diret me please to a good point.

    Code:
    -------- Storage Engine Statistics -------------------------------------------
    [--] Status: +ARCHIVE +BLACKHOLE +CSV -FEDERATED +InnoDB +MRG_MYISAM
    [--] Data in MyISAM tables: 3G (Tables: 8285)
    [--] Data in InnoDB tables: 176M (Tables: 1956)
    [--] Data in PERFORMANCE_SCHEMA tables: 0B (Tables: 17)
    [--] Data in MEMORY tables: 873K (Tables: 29)
    [!!] Total fragmented tables: 2415
    
    -------- Security Recommendations  -------------------------------------------
    [OK] All database users have passwords assigned
    
    -------- Performance Metrics -------------------------------------------------
    [--] Up for: 9h 43m 43s (5M q [168.818 qps], 124K conn, TX: 79B, RX: 830M)
    [--] Reads / Writes: 84% / 16%
    [--] Total buffers: 553.0M global + 3.6M per thread (100 max threads)
    [OK] Maximum possible memory usage: 915.5M (11% of installed RAM)
    [OK] Slow queries: 0% (143/5M)
    [OK] Highest usage of available connections: 75% (75/100)
    [OK] Key buffer size / total MyISAM indexes: 325.0M/741.9M
    [OK] Key buffer hit rate: 98.9% (213M cached / 2M reads)
    [OK] Query cache efficiency: 71.4% (3M cached / 5M selects)
    [!!] Query cache prunes per day: 1415385
    [OK] Sorts requiring temporary tables: 0% (870 temp sorts / 515K sorts)
    [!!] Joins performed without indexes: 3340 (see join_buffer_size note below)
    [!!] Temporary tables created on disk: 29% (76K on disk / 254K total)
    [OK] Thread cache hit rate: 99% (1K created / 124K connections)
    [!!] Table cache hit rate: 0% (500 open / 2M opened)
    [OK] Open file limit used: 1% (765/50K)
    [OK] Table locks acquired immediately: 99% (1M immediate / 1M locks)
    [!!] InnoDB  buffer pool / data size: 116.0M/177.0M
    [OK] InnoDB log waits: 0
    -------- Recommendations -----------------------------------------------------
     
  2. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello :)

    The primary issue I see is that you need to run MySQL for at least 24 hours before utilizing the tuning script to ensure the most accurate results. Also, it looks like you did not post the full output of the tuner, as there are no lines beyond "Recommendations".

    Thnak you.
     
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