Mark, Master/Master in MySQL requires Galera and at least 3 servers. Why do you need Master/Master write? It's Write one, read many, with automatic failover, especially if you implement with Pacemaker.
~Noah On Aug 8, 2013, at 6:38 PM, Mark <[email protected]> wrote: > That's not master master like MySQL, thats just a warm standby. Not the same > thing. > > - Mark > > On Aug 8, 2013, at 2:51 PM, Noah Mehl <[email protected]> wrote: > >> Wait, >> >> I have a few comments below: >> >>> >>> On 07 Aug 2013, at 3:51 PM, Jonas Akrouh Larsen wrote: >>> >>>> 1/ Do anybody know if postgresql can run master-master replication like >>>> mysql, and if this works with baruwa? >>> >>> No postgresql does not have master-master replication, due to the high >>> demand for this kind of setup >>> we are working on an update which would allow the option of using a mysql >>> database. >> >> As far as I know, this is not correct. Postgres (as of 9) supports >> synchronous replication: >> >> http://www.postgresql.org/docs/9.2/static/warm-standby.html#SYNCHRONOUS-REPLICATION >> >>> >>>> 2/ It appears memcached is a requirement, but I can’t find any information >>>> about clustering memcached, so what happens in a baruwa cluster if 1 node >>>> (and its local memcache) is down? Doesn’t that create temporary errors for >>>> the users? >>> >>> You can have multiple memcache servers which are using in a round >>> robin/fail over mode. The session >>> management is flexible so you can use a database to store session >>> information if not using memcached. >> >> Is using the DB for session management documented somewhere? >> >> Thanks! >> _______________________________________________ >> http://pledgie.com/campaigns/12056 > > _______________________________________________ > http://pledgie.com/campaigns/12056 _______________________________________________ http://pledgie.com/campaigns/12056
