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- root@vps51:~# ./tuning-primer.sh
- -- MYSQL PERFORMANCE TUNING PRIMER --
- - By: Matthew Montgomery -
- MySQL Version 5.5.37 x86_64
- Uptime = 0 days 0 hrs 4 min 11 sec
- Avg. qps = 976
- Total Questions = 245082
- Threads Connected = 1
- Warning: Server has not been running for at least 48hrs.
- It may not be safe to use these recommendations
- To find out more information on how each of these
- runtime variables effects performance visit:
- http://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html
- Visit http://www.mysql.com/products/enterprise/advisors.html
- for info about MySQL's Enterprise Monitoring and Advisory Service
- SLOW QUERIES
- The slow query log is NOT enabled.
- Current long_query_time = 10.000000 sec.
- You have 0 out of 245103 that take longer than 10.000000 sec. to complete
- Your long_query_time seems to be fine
- BINARY UPDATE LOG
- The binary update log is NOT enabled.
- You will not be able to do point in time recovery
- See http://dev.mysql.com/doc/refman/5.5/en/point-in-time-recovery.html
- WORKER THREADS
- Current thread_cache_size = 0
- Current threads_cached = 0
- Current threads_per_sec = 10
- Historic threads_per_sec = 3
- Threads created per/sec are overrunning threads cached
- You should raise thread_cache_size
- MAX CONNECTIONS
- Current max_connections = 151
- Current threads_connected = 2
- Historic max_used_connections = 7
- The number of used connections is 4% of the configured maximum.
- You are using less than 10% of your configured max_connections.
- Lowering max_connections could help to avoid an over-allocation of memory
- See "MEMORY USAGE" section to make sure you are not over-allocating
- INNODB STATUS
- ERROR 23 (HY000) at line 1: Out of resources when opening file '/tmp/#sql_67b1_0.MYI' (Errcode: 24)
- Current InnoDB index space = 234 M
- ./tuning-primer.sh: line 466: [: innodb_dataHR: integer expression expected
- ./tuning-primer.sh: line 472: [: innodb_dataHR: integer expression expected
- ./tuning-primer.sh: line 478: [: innodb_dataHR: integer expression expected
- ./tuning-primer.sh: line 485: export: `=innodb_dataHR': not a valid identifier
- Current InnoDB data space = bytes
- Current InnoDB buffer pool free = 0 %
- Current innodb_buffer_pool_size = 128 M
- Depending on how much space your innodb indexes take up it may be safe
- to increase this value to up to 2 / 3 of total system memory
- MEMORY USAGE
- Max Memory Ever Allocated : 171 M
- Configured Max Per-thread Buffers : 415 M
- Configured Max Global Buffers : 152 M
- Configured Max Memory Limit : 567 M
- Physical Memory : 6.00 G
- Max memory limit seem to be within acceptable norms
- KEY BUFFER
- Current MyISAM index space = 233 M
- Current key_buffer_size = 8 M
- Key cache miss rate is 1 : 796
- Key buffer free ratio = 80 %
- Your key_buffer_size seems to be fine
- QUERY CACHE
- Query cache is supported but not enabled
- Perhaps you should set the query_cache_size
- SORT OPERATIONS
- Current sort_buffer_size = 2 M
- Current read_rnd_buffer_size = 256 K
- Sort buffer seems to be fine
- JOINS
- Current join_buffer_size = 132.00 K
- You have had 0 queries where a join could not use an index properly
- Your joins seem to be using indexes properly
- OPEN FILES LIMIT
- Current open_files_limit = 1024 files
- The open_files_limit should typically be set to at least 2x-3x
- that of table_cache if you have heavy MyISAM usage.
- Your open_files_limit value seems to be fine
- TABLE CACHE
- Current table_open_cache = 400 tables
- Current table_definition_cache = 400 tables
- You have a total of 1725 tables
- You have 400 open tables.
- Current table_cache hit rate is 4%
- , while 100% of your table cache is in use
- You should probably increase your table_cache
- You should probably increase your table_definition_cache value.
- TEMP TABLES
- Current max_heap_table_size = 16 M
- Current tmp_table_size = 16 M
- Of 296 temp tables, 17% were created on disk
- Created disk tmp tables ratio seems fine
- TABLE SCANS
- Current read_buffer_size = 128 K
- Current table scan ratio = 222 : 1
- read_buffer_size seems to be fine
- TABLE LOCKING
- Current Lock Wait ratio = 0 : 339175
- Your table locking seems to be fine
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