locate my-big.cnf returns nothing.
Did you mean the normal /usr/share/mysql/my-huge.cnf?
Also, using the vici tuned my.cnf, mysqltuner complains that the buffers exceed 16Gb:
- Code: Select all
>> MySQLTuner 1.2.0 - Major Hayden <major@mhtx.net>
>> Bug reports, feature requests, and downloads at http://mysqltuner.com/
>> Run with '--help' for additional options and output filtering
Please enter your MySQL administrative login: root
Please enter your MySQL administrative password:
-------- General Statistics --------------------------------------------------
[--] Skipped version check for MySQLTuner script
[OK] Currently running supported MySQL version 5.5.32-MariaDB-log
[OK] Operating on 64-bit architecture
-------- Storage Engine Statistics -------------------------------------------
[--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster
[--] Data in MyISAM tables: 4G (Tables: 216)
[--] Data in InnoDB tables: 7M (Tables: 15)
[--] Data in PERFORMANCE_SCHEMA tables: 0B (Tables: 17)
[--] Data in MEMORY tables: 28M (Tables: 10)
[!!] Total fragmented tables: 18
-------- Security Recommendations -------------------------------------------
[OK] All database users have passwords assigned
-------- Performance Metrics -------------------------------------------------
[--] Up for: 4h 25m 13s (2M q [165.854 qps], 8K conn, TX: 652M, RX: 6B)
[--] Reads / Writes: 91% / 9%
[--] Total buffers: 800.0M global + 24.4M per thread (768 max threads)
[!!] Maximum possible memory usage: 19.1G (121% of installed RAM)
[OK] Slow queries: 0% (1/2M)
[OK] Highest usage of available connections: 5% (42/768)
[OK] Key buffer size / total MyISAM indexes: 640.0M/2.1G
[OK] Key buffer hit rate: 100.0% (156M cached / 1K reads)
[!!] Query cache is disabled
[OK] Sorts requiring temporary tables: 0% (0 temp sorts / 47K sorts)
[OK] Temporary tables created on disk: 0% (320 on disk / 39K total)
[OK] Thread cache hit rate: 99% (42 created / 8K connections)
[OK] Table cache hit rate: 27% (315 open / 1K opened)
[OK] Open file limit used: 2% (506/24K)
[OK] Table locks acquired immediately: 99% (2M immediate / 2M locks)
[OK] InnoDB data size / buffer pool: 7.7M/128.0M
-------- 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:
*** MySQL's maximum memory usage is dangerously high ***
*** Add RAM before increasing MySQL buffer variables ***
query_cache_size (>= 8M)
I'm running this on an 8-core 16Gb RAM server.