Hi.
About stability of MySQL Cluster you can read at www.mysql.com/it-resources/case-studies/b2.php > o Does the memory size limit the data we can manage? If it is a memory > based solution it should mean that it can handle of a very limited > number of databases/tables/rows, based on the available memory of the > nodes. Yes, MySQL Cluster stores data in the ndb storage engine, which is memory based. For other questions see: http://dev.mysql.com/doc/mysql/en/MySQL_Cluster_Limitations_in_4.1.html Mark Papadakis <[EMAIL PROTECTED]> wrote: > Hello all, > > After playing with the idea of 'abandoning ship' in favor of IBM DB2 > or Oracle, we deiced to stick with mySQL, due its simplicity and > investment in time and experience we have put into it. > > Our company needs a HA solution for ensuring 24x7 operation for the > mySQL server instances. As it is, there are are two solutions > available for the problem: Emic Networks's EAC for mySQL and MySQL's > Cluster. > > The Emic solution seems to work but is way too expensive for our > budget (around 4k$ for each 2CPUs node). So we need to either go with > NDB or try to get replication to work properly. > > Here is a list of questions: > o How 'stable' is MySQL cluster (NDB) ? Is it ready for enterprise > use? Or even tested? > > o Does the memory size limit the data we can manage? If it is a memory > based solution it should mean that it can handle of a very limited > number of databases/tables/rows, based on the available memory of the > nodes. > > o Is there some sort of tight integration planned for mySQL cluster > and mySQL server ? Perhaps in 5.0 ? > > o When is adding/removing nodes on the fly scheduled for > implementation? Without such a feature the system would have to be > shutdown - therefore not a complete HA solution. > > o Has anyone gotten replication to work right? Perhaps Multi-Master replication? > > Thank you very much in advance, > MarkP > > -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.NET http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Gleb Paharenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.NET <___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
