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 <zhuc...@gmail.com> 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
