Innodb-buffer-pool-instances-is-a-read-only-variable, related articles. how to change the innodb_log_file_size value in mysql/mariadb how to upgrade mysql 5.5 to 5.6/5.7 or mariadb 5.5 to 10.0/10.1/10.2/10.3 on linux?. In the earlier versions of mysql ( < 5.7.5 ) the only way to set 'innodb_buffer_pool_size' variable was by writing it to my.cnf (for linux) and my.ini (for windows) under [mysqld] section : [mysqld] innodb_buffer_pool_size = 2147483648 you need to restart your mysql server to have it's effect in action., the most important memory buffer used by innodb. the xtradb/innodb buffer pool is a key component for optimizing mariadb. it stores data and indexes, and you usually want it as large as possible so as to keep as much of the data and indexes in memory, reducing disk io, as main bottleneck..

Are you running into mysql load problems? learn how to tune mysql servers for a heavy innodb workload, by configuring innodb_buffer_pool_instances. dividing the innodb buffer pool into multiple instances improves disk i/o. by doing so, you run your database and website more efficiently and faster. here is a little help for you. tune mysql innodb…continue reading mysql innodb performance ..., innodb_buffer_pool_instances. description: if innodb_buffer_pool_size is set to more than 1gb, innodb_buffer_pool_instances divides the innodb buffer pool into this many instances. the default was 1 in mariadb 5.5, but for large systems with buffer pools of many gigabytes, many instances can help reduce contention concurrency.the default is 8 in mariadb 10 (except on windows 32-bit, where it ....

Thanks. set global innodb_buffer_pool_instances=16; error 1238 (hy000): variable 'innodb_buffer_pool_instances' is a read only variable. i think it should be added in my.cnf and need a restart? – bhuvanesh sep 13 '17 at 4:48. yes. whenever given advice, it is a good idea to read the manual to make sure our free advice is right for you., system variables that are true or false can be enabled at server startup by naming them, or disabled by using a --skip- prefix. for example, to enable or disable the innodb adapti.

The --innodb-status-file startup option controls whether innodb creates a file named innodb_status.pid in the data directory and writes show engine innodb status output to it every 15 seconds, approximately.. the innodb_status.pid file is not created by default. to create it, start mysqld with the --innodb-status-file option., really frustrating issue. my innodb_buffer_pool_size is set to 32m, and i want to lower it. the variable in my.cnf is actually set to 2m, and i can't find any other overriding configuration files (....

Mariadb server is a community developed fork of mysql server. started by core members of the original mysql team, mariadb actively works with outside developers to deliver the most featureful, stable, and sanely licensed open sql server in the industry. - mariadb/server