They should be asking Facebook devs these stuff, HA can be done in MySQL, just that you need more other stuff.
Some light reading also in: http://highscalability.com/ -- Roger P. Filomeno TwitSnap: The coolest Twitter widget for your site! http://www.twitsnap.com http://corruptedpartition.blogspot.com/ TEL#: +1-360-968-1767 SMS: send MSG GODIE <YOUR MESSAGE> to 2948 $> who | grep -i blond | date; cd ~; unzip; touch; strip; finger; mount; gasp; yes; uptime; umount; sleep On Fri, Feb 20, 2009 at 11:50 PM, Orlando Andico <[email protected]>wrote: > The answer to most of these questions is "no." > > But that said, if the proprietary DB is only used as a data store via > ODBC or JDBC, then yes, migration is possible. > > Stability and availability is a completely different story, however... > just because something is possible, doesn't mean it should be done. > :-) > > > > On Fri, Feb 20, 2009 at 11:09 AM, Ariz Jacinto <[email protected]> > wrote: > > > > FTA: > > > http://www.xaprb.com/blog/2009/02/19/migrating-us-government-applications-from-oracle-to-mysql/ > > > > " [...] > > > > Here are samples of the questions I heard: > > > > Does MySQL provide encryption comparable to Oracle? > > Can MySQL reach into Oracle to get legacy data? > > Is there something comparable to Oracle Forms? > > Can I embed MySQL into remote devices in the field? What license do I > need > > to do that? > > Can I store JPEG and TIFF images in MySQL? > > Can I extend the stored procedure language to be PL/SQL compatible? > > Does MySQL have multi-byte character set support? > > What level of governance does MySQL have over third-party development? > > How does MySQL incorporate features back from the community? > > What is the best reliable source of information about differences between > > the community and enterprise versions of the server? > > In terms of high availability, how does MySQL compare to Oracle RAC? > > Can I do ETL of 400GB of data per hour into MySQL? > > Does MySQL Enterprise have additional scalability over MySQL Community? > > Are MySQL Migration tools free? What about for migration from Sybase? > > Does MySQL not checksum its own data? > > Is there any comparison to be drawn to migration from other opensource > > databases to MySQL? > > Is there any way to store strings with trailing spaces in MySQL? > > Is DDL replicated? > > Are there any workarounds for the blocking nature of ALTER TABLE? What > about > > in MySQL Cluster? > > Is MySQL Cluster shared-everything or shared-nothing? > > Oracle makes it tedious to keep up with patches. Is MySQL Enterprise > easier? > > Can I get alerts about them? Are they all aggregated together? > > I'm on the Community version and I have an Enterprise subscription. Do I > > have to upgrade to the Enterprise version of MySQL Server? > > If I have a third-party SNMP monitoring tool, can MySQL Enterprise send > SNMP > > traps to it? > > Does MySQL Enterprise Gold include replication functionality? > > > > [...] " > > > > _________________________________________________ > > Philippine Linux Users' Group (PLUG) Mailing List > > http://lists.linux.org.ph/mailman/listinfo/plug > > Searchable Archives: http://archives.free.net.ph > > > > > > -- > Orlando Andico > +63.2.976.8659 | +63.920.903.0335 > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph >
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