root@fange:/home# ./tuning-primer.sh

	-- MYSQL PERFORMANCE TUNING PRIMER --
	     - By: Matthew Montgomery -

MySQL Version 5.5.54-0+deb8u1 x86_64

Uptime = 213503982334601 days 6 hrs 48 min 2 sec
Avg. qps = 0
Total Questions = 632588
Threads Connected = 703

./tuning-primer.sh: 550: [: Illegal number: 18446744073709550882
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 2 out of 632611 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 = 20
Current threads_cached = 1
Current threads_per_sec = 0
Historic threads_per_sec = 0
Your thread_cache_size is fine

MAX CONNECTIONS
Current max_connections = 3500
Current threads_connected = 703
Historic max_used_connections = 706
The number of used connections is 20% of the configured maximum.
Your max_connections variable seems to be fine.

INNODB STATUS
Current InnoDB index space = 89 M
Current InnoDB data space = 375 M
Current InnoDB buffer pool free = 90 %
Current innodb_buffer_pool_size = 4.00 G
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 : 19.78 G
Configured Max Per-thread Buffers : 76.90 G
Configured Max Global Buffers : 4.27 G
Configured Max Memory Limit : 81.17 G
Physical Memory : 47.26 G

Max memory limit exceeds 90% of physical memory

KEY BUFFER
Current MyISAM index space = 88 M
Current key_buffer_size = 256 M
Key cache miss rate is 1 : 62
Key buffer free ratio = 80 %
Your key_buffer_size seems to be fine

QUERY CACHE
Query cache is enabled
Current query_cache_size = 8 M
Current query_cache_used = 1 M
Current query_cache_limit = 8 M
Current Query cache Memory fill ratio = 21.55 %
Current query_cache_min_res_unit = 4 K
Query Cache is 23 % fragmented
Run "FLUSH QUERY CACHE" periodically to defragment the query cache memory
If you have many small queries lower 'query_cache_min_res_unit' to reduce fragmentation.
Your query_cache_size seems to be too high.
Perhaps you can use these resources elsewhere
MySQL won't cache query results that are larger than query_cache_limit in 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 = 4.00 M
You have had 614 queries where a join could not use an index properly
join_buffer_size >= 4 M
This is not advised
You should enable "log-queries-not-using-indexes"
Then look for non indexed joins in the slow query log.

OPEN FILES LIMIT
Current open_files_limit = 102400 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 = 16000 tables
Current table_definition_cache = 4096 tables
You have a total of 928 tables
You have 947 open tables.
The table_cache value seems to be fine

TEMP TABLES
Current max_heap_table_size = 128 M
Current tmp_table_size = 128 M
Of 1419 temp tables, 6% were created on disk
Created disk tmp tables ratio seems fine

TABLE SCANS
Current read_buffer_size = 16 M
Current table scan ratio = 395 : 1
read_buffer_size is over 8 MB there is probably no need for such a large read_buffer

TABLE LOCKING
Current Lock Wait ratio = 1 : 58771
Your table locking seems to be fine