Planet MySQL Planet MySQL: Meta Deutsch Español Français Italiano 日本語 Русский Português 中文
Showing entries 1 to 3

Displaying posts with tag: Alexey Stroganov (reset)

Percona Server: Thread Pool Improvements for Transactional Workloads
+1 Vote Up -0Vote Down

In a previous thread pool post, I mentioned that in Percona Server we used an open source implementation of MariaDB’s thread pool, and enhanced/improved it further. Below I would like to describe some of these improvements for transactional workloads.

When we were evaluating MariaDB’s thread pool implementation, we observed that it improves scalability for AUTOCOMMIT statements. However, it does not scale well with multi-statement transactions. The UPDATE_NO_KEY test which was …

  [Read more...]
Memory allocators: MySQL performance improvements in Percona Server 5.5.30-30.2
+2 Vote Up -0Vote Down

In addition to the problem with trx_list scan we discussed in Friday’s post, there is another issue in InnoDB transaction processing that notably affects MySQL performance – for every transaction InnoDB creates a …

  [Read more...]
MySQL performance: Impact of memory allocators (Part 2)
+3 Vote Up -0Vote Down

Last time I wrote about memory allocators and how they can affect MySQL performance in general. This time I would like to explore this topic from a bit different angle: What impact does the number of processor cores have on different memory allocators and what difference we will see in MySQL performance in this scenario?

Let me share a conclusion first: If you have a server with more than 8 cores you should use something different than the default glibc memory allocator.
We …

  [Read more...]
Showing entries 1 to 3

Planet MySQL © 1995, 2014, Oracle Corporation and/or its affiliates   Legal Policies | Your Privacy Rights | Terms of Use

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.