Здравствуйте,вот что выдает mysqltuner. Что и как нужно исправить,и нужно ли ? [OK] Logged in using credentials from debian maintenance account. >> MySQLTuner 1.6.1 - Major Hayden <major@mhtx.net> >> Bug reports, feature requests, and downloads at http://mysqltuner.com/ >> Run with '--help' for additional options and output filtering [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.5.44-0+deb7u1-log [OK] Operating on 64-bit architecture -------- Storage Engine Statistics ------------------------------------------- [--] Status: +ARCHIVE +BLACKHOLE +CSV -FEDERATED +InnoDB +MRG_MYISAM [--] Data in MyISAM tables: 30K (Tables: 10) [--] Data in InnoDB tables: 1008K (Tables: 22) [!!] Total fragmented tables: 22 -------- Security Recommendations ------------------------------------------- [OK] There is no anonymous account in all database users [OK] All database users have passwords assigned [!!] User 'user1@%' hasn't specific host restriction. [!!] There is no basic password file list ! -------- Performance Metrics ------------------------------------------------- [--] Up for: 17m 31s (2K q [2.563 qps], 315 conn, TX: 937K, RX: 152K) [--] Reads / Writes: 94% / 6% [--] Binary logging is disabled [--] Total buffers: 65.0M global + 2.6M per thread (300 max threads) [OK] Maximum reached memory usage: 70.1M (14.11% of installed RAM) [!!] Maximum possible memory usage: 833.8M (167.76% of installed RAM) [OK] Slow queries: 0% (0/2K) [OK] Highest usage of available connections: 0% (2/300) [OK] Aborted connections: 0.00% (0/315) [OK] Query cache efficiency: 38.7% (348 cached / 900 selects) [OK] Query cache prunes per day: 0 [OK] Sorts requiring temporary tables: 0% (0 temp sorts / 57 sorts) [OK] Temporary tables created on disk: 23% (54 on disk / 229 total) [OK] Thread cache hit rate: 99% (2 created / 315 connections) [OK] Table cache hit rate: 91% (73 open / 80 opened) [OK] Open file limit used: 4% (69/1K) [OK] Table locks acquired immediately: 100% (780 immediate / 780 locks) -------- MyISAM Metrics ----------------------------------------------------- [!!] Key buffer used: 18.4% (192K used / 1M cache) [OK] Key buffer size / total MyISAM indexes: 1.0M/120.0K [!!] Read Key buffer hit rate: 80.0% (5 cached / 1 reads) -------- InnoDB Metrics ----------------------------------------------------- [--] InnoDB is enabled. [OK] InnoDB buffer pool / data size: 16.0M/1008.0K [OK] InnoDB buffer pool instances: 1 [!!] InnoDB Used buffer: 44.87% (459 used/ 1023 total) [OK] InnoDB Read buffer efficiency: 99.78% (205325 hits/ 205783 total) [!!] InnoDB Write buffer efficiency: 0.00% (0 hits/ 1 total) [OK] InnoDB log waits: 0.00% (0 waits / 37 writes) -------- AriaDB Metrics ----------------------------------------------------- [--] AriaDB is disabled. -------- Replication Metrics ------------------------------------------------- [--] No replication slave(s) for this server. [--] This is a standalone server.. -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance Restrict Host for user@% to user@SpecificDNSorIp MySQL started within last 24 hours - recommendations may be inaccurate Reduce your overall MySQL memory footprint for system stability