求高手调服务器

现有服务器配置
WEB
CPU : Intel Q8300
主板：  华硕
内存：金士顿2GB * 2
硬盘：SATA 500G *2
(MYSQL备份,与MYSQL主从热备)

MYSQL
CPU : Intel Xeon E5506 * 2
主板：  华硕Z8NA-D6  
内存：金士顿4GB * 2
硬盘：SAS 146
(WEB备份,SERSYNC与WEB服务器同步)

系统软件(同)
CENTOS5.5+NGINX+MYSQL+PHP

以前一直用W2003, 刚刚转为LINUX,不太熟悉,现在是MYSQL服务器隔一个星期就在深更半夜宿机,具体问题我都找不出来.求高手帮助.   联系QQ 5114997


MYSQL服务器上的MYSQL配置文件

1. 
   
2. [client]
   
3. character-set-server = utf8
   
4. port    = 3306
   
5. socket  = /tmp/mysql.sock
   
6. [mysqld]
   
7. server-id = 1
   
8. character-set-server = utf8
   
9. replicate-ignore-db=mysql
   
10. replicate-ignore-db = information_schema
    
11. user    = mysql
    
12. port    = 3306
    
13. socket  = /tmp/mysql.sock
    
14. basedir = /usr/local/webserver/mysql
    
15. datadir = /usr/local/mysqldata/data
    
16. log-error = /usr/local/mysqldata/mysql_error.log
    
17. pid-file = /usr/local/mysqldata/mysql.pid
    
18. skip-innodb
    
19. open_files_limit    = 10240
    
20. back_log = 500
    
21. max_connections = 2048
    
22. max_connect_errors = 509600
    
23. table_cache = 1024
    
24. external-locking = FALSE
    
25. max_allowed_packet = 32M
    
26. sort_buffer_size = 64M
    
27. join_buffer_size = 32M
    
28. thread_cache_size = 128
    
29. #thread_concurrency = 8
    
30. query_cache_size = 512M
    
31. query_cache_limit = 2M
    
32. query_cache_min_res_unit = 2k
    
33. default-storage-engine = MyISAM
    
34. thread_stack = 192K
    
35. transaction_isolation = READ-COMMITTED
    
36. tmp_table_size = 512M
    
37. max_heap_table_size = 246M
    
38. long_query_time = 3
    
39. log-slave-updates
    
40. log-bin = /usr/local/mysqldata/binlog/binlog
    
41. binlog_cache_size = 4M
    
42. binlog_format = MIXED
    
43. max_binlog_cache_size = 8M
    
44. max_binlog_size = 1G
    
45. relay-log-index = /usr/local/mysqldata/relaylog/relaylog
    
46. relay-log-info-file = /usr/local/mysqldata/relaylog/relaylog
    
47. relay-log = /usr/local/mysqldata/relaylog/relaylog
    
48. expire_logs_days = 15
    
49. key_buffer_size = 2048M
    
50. read_buffer_size = 64M
    
51. read_rnd_buffer_size = 128M
    
52. bulk_insert_buffer_size = 64M
    
53. myisam_sort_buffer_size = 512M
    
54. myisam_max_sort_file_size = 10G
    
55. myisam_repair_threads = 1
    
56. myisam_recover
    
57. interactive_timeout = 120
    
58. wait_timeout = 120
    
59. skip-name-resolve
    
60. #master-connect-retry = 10
    
61. slave-skip-errors = 1032,1062,126,1114,1146,1048,1396
    
62. #master-host     =   192.168.1.2
    
63. #master-user     =   username
    
64. #master-password =   password
    
65. #master-port     =  3306
    
66. innodb_additional_mem_pool_size = 16M
    
67. innodb_buffer_pool_size = 512M
    
68. innodb_data_file_path = ibdata1:256M:autoextend
    
69. innodb_file_io_threads = 4
    
70. innodb_thread_concurrency = 8
    
71. innodb_flush_log_at_trx_commit = 2
    
72. innodb_log_buffer_size = 16M
    
73. innodb_log_file_size = 128M
    
74. innodb_log_files_in_group = 3
    
75. innodb_max_dirty_pages_pct = 90
    
76. innodb_lock_wait_timeout = 120
    
77. innodb_file_per_table = 0
    
78. slow_query_log=1
    
79. slow_query_log_file = /usr/local/mysqldata/slow.log
    
80. #log-slow-queries = /usr/local/mysqldata/slow.log
    
81. long_query_time = 1
    
82. [mysqldump]
    
83. quick
    
84. max_allowed_packet = 64M

复制代码

问答的门不对题.
版主,过来删广告.

好复杂啊，我都不会调啊

可以联系我

mysql安装的分区空间不够了。

不太熟悉怎么换L呢