How do I increase InnoDB buffer pool dynamically?

How do I increase InnoDB buffer pool dynamically?

Since MySQL 5.7. 5, we have been able to resize dynamically the InnoDB Buffer Pool. This new feature also introduced a new variable — innodb_buffer_pool_chunk_size — which defines the chunk size by which the buffer pool is enlarged or reduced.

What is InnoDB buffer pool instances?

Multiple buffer pool instances are configured using the innodb_buffer_pool_instances configuration option, and you might also adjust the innodb_buffer_pool_size value. When the InnoDB buffer pool is large, many data requests can be satisfied by retrieving from memory.

How do I speed up InnoDB?

InnoDB insertion faster

1. disable log_bin.
2. enable skip-innodb-doublewrite.
3. set transaction_isolation to READ-COMMITTED or READ-UNCOMMITTED (actually READ-COMMITED )
4. set innodb_flush_log_at_trx_commit to 0 or 2 (actually 0 )
5. set innodb_buffer_pool_size to 5GB (system has 6GB RAM)

How do I increase InnoDB writes per second?

4 Answers

1. Minimize the number of indexes – there will be less index maintenance.
2. Maximize the number of INSERTs per transaction – the “durability price” will be less (i.e. physical writing to disk can be done in the background while the rest of the transaction is still executing, if the transaction is long enough).

How to improve MySQL performance with InnoDB buffer pool?

Percona has a lot of information about some key metrics: Tuning MySQL and the InnoDB storage engine is an important step in further optimizing your hosting environment. Every new MySQL version brings new settings to improve your MySQL configuration, so be sure to read those changelogs.

How is the buffer cache used in InnoDB?

I wanted to know how well we’re utilizing the buffer cache. After initially glancing at the output, it appeared that we are indeed using it, based off of the Pages made young and not young have numbers in them and Buffer pool hit rate is 1000 / 10000 (which I saw elsewhere on the web that this means it’s being used pretty heavily. True?)

Can you use InnoDB if the pool is too small?

InnoDB is using it, it doesn’t do anything without it. If the pool is too small, pages get evicted and new pages get read in and the other stats help you understand that… but that is problem you don’t appear to have.

Why is MySQL not using the buffer pool?

Unless you want to use that memory for something else, because it is not a dedicated server (so, lower your buffer pool usage), most people will envy you as having the buffer pool fully utilized is a desired state.