Just looked at version 5.5/5.6 document:
http://dev.mysql.com/doc/refman/5.5/en/memory-storage-engine.html
at least the variable length memory patch is not included, i guess same with
others;
It is disappointed MySQL is not including those into the 5.5/5.6 version;
BTW: i was reading
http://ronaldbradford.com/blog/beyond-mysql-ga-patches-storage-engines-forks-and-pre-releases-fosdem-2010-2010-02-11/previously;
On Tue, Apr 26, 2011 at 12:34 AM, Zhu,Chao <zhuchao@stripped> wrote:
> For pathces like :
>
> *EBay Patches (5.0)* have included:
>
> - variable length memory storage engine
> - pool of threads
> - Virtual columns
>
> and others like
>
> *Google Patches (5.0 & 5.1)* included improvements in :
>
> - statistics/monitoring
> - lock contention
> - binlog
> - malloc()
> - filesorts
> - innodb I/O and wait statistics
> - SHOW …STATISTICS statements
> - smp scalability
> - I/O scalability
> - semisync replication
> - many more
>
> *Percona Patches (5.0)* focus on
>
> - statistics/monitoring
> - performance/scalability
> - buffer pool content/mutexes
> - microslow patch
>
> Thx
>
> --
> Regards
> Zhu Chao
>
>
>
--
Regards
Zhu Chao