Re: Some love for multi-partition LWT?

2015-09-08 Thread Marek Lewandowski
simple example shows how hard it is to implement multi-partition > Paxos rounds. The fact that you have multiple Paxos rounds that are > dependent on each other break the safety guarantees of the original Paxos > paper. > > The only way I can see that will ensure safe

Re: Some love for multi-partition LWT?

2015-09-07 Thread Marek Lewandowski
Doan" wrote: > Multi partitions LWT is not supported currently on purpose. To support it, > we would have to emulate a distributed lock which is pretty bad for > performance. > > On Mon, Sep 7, 2015 at 10:38 PM, Marek Lewandowski < > marekmlewandow...@gmail.com> wrote:

Some love for multi-partition LWT?

2015-09-07 Thread Marek Lewandowski
Hello there, would you be interested in having multi-partition support for lightweight transactions in order words to have ability to express something like: INSERT INTO … IF NOT EXISTS AND UPDATE … IF EXISTS AND UPDATE … IF colX = ‘xyz’ where each statement refers to a row living potentially o