Tagged Questions
0
votes
0answers
64 views
InnoDB tuning with 1G of ram limit
I am trying to calculate variable moving averages crossover with variable dates.
That is: I want to prompt the user for 3 values and 1 option. The input is through a web front end so I can build/edit ...
1
vote
1answer
159 views
MySQL 5.5 - determining correct write[read]_io_threads on high-end system?
Specifically dual-CPU 32 core - 128RAM - RAID 10 SSD . Ubuntu 64 server.
Heavy Innodb load at times - ~ 2000+ queries per sec. Heavy read and write.
Currently we are running on the default ...
2
votes
1answer
545 views
MySQL 5.5 - Innodb - innodb_log_file_size higher than 4GB combined?
When reading online about innodb_log_file_size, it says
The combined size of the log files must be less than 4GB
So what happens if it needs to be larger?
In books and online, it says to set ...
1
vote
1answer
475 views
InnoDB Performance Tuning
I'm new to database administration so please excuse any omissions of what would seem like basic info to provide for this problem.
I'm a RoR developer and our team is currently short a DBA, so we're ...
2
votes
2answers
663 views
MySQL 5.1.63 - using tuning-primer - Table Cache question
tuning_primer says the following:
TABLE CACHE
Current table_open_cache = 812 tables
Current table_definition_cache = 256 tables
You have a total of 498 tables
You have 812 open tables.
Current ...
15
votes
3answers
16k views
Possible to make MySQL use more than one core?
I've been presented with some dedicated MySQL servers that never use more than a single core. I'm more developer then DBA for MySQL so need some help
Setup
The servers are quite hefty with an ...