The following are from the InnoDB configuration page:
# Set buffer pool size to 50-80% of your computer's memory, # but make sure on Linux x86 total memory usage is < 2GB
*Warning:* On 32-bit GNU/Linux x86, you must be careful not to set memory usage too high. |
glibc| may allow the process heap to grow over thread stacks, which crashes your server.
Can someone please explain what this means. We have a 32bit Linux x86 server with 16gigs of
ram. Because it is 32bit and not 64bit we cant really make much use of all the ram. I am wondering
which values I can safely increase without crashing the server. Here are some of the parameters we are
using in our conf file:
thread_concurrency = 16
table_cache = 512
innodb_buffer_pool_size = 1000M innodb_additional_mem_pool_size = 20M
innodb_log_file_size = 100M innodb_log_buffer_size = 8M
From SHOW INNODB STATUS:
BUFFER POOL AND MEMORY ---------------------- Total memory allocated 462835472; in additional pool allocated 3569664 Buffer pool size 24576 Free buffers 0 Database pages 23956 Modified db pages 11531
Free buffers is 0.
Someone mentioned that because its a quad xeon each CPU would have 2gigs of ram to work with. Does this
mean that I can set the innodb buffer pool much higher ?
any feedback is welcome. thanks.
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