您的应用程序没有正确closuresMySQL连接

当我运行mysqltuner时，它显示标题中的错误。 请帮我解决它。

-------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.1.61-log [OK] Operating on 64-bit architecture -------- Storage Engine Statistics ------------------------------------------- [--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster [--] Data in MyISAM tables: 1G (Tables: 1413) [--] Data in InnoDB tables: 4M (Tables: 199) [!!] Total fragmented tables: 257 -------- Security Recommendations ------------------------------------------- [OK] All database users have passwords assigned -------- Performance Metrics ------------------------------------------------- [--] Up for: 4h 33m 39s (17M q [1K qps], 1M conn, TX: 16B, RX: 1B) [--] Reads / Writes: 92% / 8% [--] Total buffers: 1.0G global + 2.7M per thread (256 max threads) [OK] Maximum possible memory usage: 1.7G (11% of installed RAM) [OK] Slow queries: 0% (7/17M) [OK] Highest usage of available connections: 84% (216/256) [OK] Key buffer size / total MyISAM indexes: 8.0M/2.0G [OK] Key buffer hit rate: 97.7% (2B cached / 68M reads) [OK] Query cache efficiency: 76.3% (10M cached / 14M selects) [OK] Query cache prunes per day: 0 [OK] Sorts requiring temporary tables: 0% (958 temp sorts / 475K sorts) [OK] Temporary tables created on disk: 6% (22K on disk / 343K total) [OK] Thread cache hit rate: 83% (188K created / 1M connections) [OK] Table cache hit rate: 89% (3K open / 3K opened) [OK] Open file limit used: 65% (4K/6K) [OK] Table locks acquired immediately: 99% (4M immediate / 4M locks) [!!] Connections aborted: 74% [OK] InnoDB data size / buffer pool: 4.2M/8.0M -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance MySQL started within last 24 hours - recommendations may be inaccurate Your applications are not closing MySQL connections properly