… results in our tests. In Dimitri’s tests Percona Server scalability is somewhere in between of MySQL 5.5 and MySQL…
Post: Percona Server 5.5.30-30.2 rerelease fixes non-restart issue
April 24, 2013 By Leave a Comment
…_view_create_low() in most cases. This significantly improves InnoDB scalability on read-only workloads, especially when the default glibc memory… reported as upstream bug #49169. This also provides much better scalability in InnoDB high-concurrent workloads. Bugs fixed #1131189 (Alexey Kopytov…
Post: Memory allocators: MySQL performance improvements in Percona Server 5.5.30-30.2
April 15, 2013 By
… allocation is an costly operation and if memory allocator has scalability problems (like allocator from glibc) this will notably slowdown MySQL… list handling (see our previous post) and also by bad scalability of glibc malloc itself – jemalloc helps MySQL 5.5.30 to fix issues with malloc scalability but still scanning of the transaction list causes performance drop…
Post: trx descriptors: MySQL performance improvements in Percona Server 5.5.30-30.2
April 12, 2013 By 3 Comments
… MySQL performance that still stands in the way of InnoDB scalability is the trx_list scan on consistent read view creation… in throughput starting from 256 threads. But Percona Server’s scalability is the same as in the previous benchmark. The overhead…” optimization in MySQL 5.6 are nice ways to improve scalability in highly concurrent workloads. We also have plans to combine…
Post: 10 years of MySQL User Conferences
April 11, 2013 By 6 Comments
… and will be separate from MySQL Server, providing a more scalable Innodb version with more features. Gearman and MemcacheD storage engine…
Post: Percona Server for MySQL 5.5.30-30.2 now available
April 10, 2013 By 10 Comments
…_view_create_low() in most cases. This significantly improves InnoDB scalability on read-only workloads, especially when the default glibc memory… reported as upstream bug #49169. This also provides much better scalability in InnoDB high-concurrent workloads. Bugs fixed #1131189 (Alexey Kopytov…
Post: Understanding the maximum number of columns in a MySQL table
April 8, 2013 By 5 Comments
… things like NEXT_NUMBER fields (what we know today as auto_increment), CASEUP and CASEDN fields which although not implemented in…
Comment: MySQL 5.5 and MySQL 5.6 default variable values differences
March 31, 2013 By 8 Comments
….6 sets them higher by default. Another minor correction: innodb_auto_extend_increment should be innodb_autoextend_increment (no space in…
Comment: SimCity outages, traffic control and Thread Pool for MySQL
March 21, 2013 By 16 Comments
…://www.mysqlperformanceblog.com/2011/02/28/is-voltdb-really-as-scalable-as-they-claim/
Comment: SimCity outages, traffic control and Thread Pool for MySQL
March 21, 2013 By 16 Comments
… private cloud service that can be used to host rapidly scalable NDB clusters (commence with inserting a shameless plug that users…
