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Innodb-buffer-pool-instances-mysql-8, if the new innodb_buffer_pool_chunk_size value * innodb_buffer_pool_instances is larger than the current buffer pool size when the buffer pool is initialized, innodb_buffer_pool_chunk_size is truncated to innodb_buffer_pool_size / innodb_buffer_pool_instances.. for example, if the buffer pool is initialized with a size of 2gb (2147483648 bytes), 4 buffer pool instances, and a chunk size of 1gb .... For systems with buffer pools in the multi-gigabyte range, dividing the buffer pool into separate instances can improve concurrency, by reducing contention as different threads read and write to cached pages., innodb_buffer_pool_instances. you can divided the innodb buffer pool into separate regions to improve concurrency, by reducing contention as different threads read and write to cached pages. for example, if the buffer pool size is 64 gb and innodb_buffer_pool_instances are 32, the buffer is split into 32 regions with 2 gb each.. if the buffer pool size is more than 16 gb, you can set the ....

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 ..., if the new innodb_buffer_pool_chunk_size value * innodb_buffer_pool_instances is larger than the current buffer pool size when the buffer pool is initialized, innodb_buffer_pool_chunk_size is truncated to innodb_buffer_pool_size / innodb_buffer_pool_instances.. for example, if the buffer pool is initialized with a size of 2gb (2147483648 bytes), 4 buffer pool instances, and a chunk size of 1gb ....

If the data you need to attach is more than 3mb, you should create a compressed archive of the data and a readme file that describes the data with a filename that includes the bug number (recommended filename: mysql-bug-data-59580.zip) and upload one to sftp.oracle.com.a free oracle web (sso) account (the one you use to login bugs.mysql.com) and a client that supports sftp are required in ..., when i go back to mysql 5.5, i would think about this same thing. what i learned over those years was the following: if the buffer pool was bigger than half the installed ram and innodb_buffer_pool_instances was 1 (default for 5.5), the threat of swapping was always imminent.. i discussed this before : is there a rule of thumb regarding the size and number of a buffer pool instances?..

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., i am assuming that following is the rule that is being referred "buffer pool size must always be equal to or a multiple of innodb_buffer_pool_chunk_size * innodb_buffer_pool_instances".

Hi, i am getting following error after modifying the innodb buffer pool size values. 2018-10-05t07:35:47.023697z 0 [system] [my-010910] [server] /usr/sbin/mysqld ...