Re: Questions about Riak Enterprise

2012-05-09 Thread Mark Rose
On Wed, May 9, 2012 at 12:38 AM, Andrew Thompson wrote: > > > Does the approximately 1 ms of latency between av zones affect Riak's > > performance that much? > > If the latency is *guranteed* to be that low, then you should be ok, > although I'm not sure how the networking works across zones. If

Re: Questions about Riak Enterprise

2012-05-09 Thread Elias Levy
On Wed, May 9, 2012 at 4:00 PM, wrote: > > Actually, its worse than that because of some legacy behaviour. EDS > wants to know the bind IP, not a hostname, and it will exchange node IPs > with the other side of the connection, so internal IPs can 'leak' to the > other cluster and cause connection

Re: Most efficient way to determine if 1000 specific keys exist?

2012-05-09 Thread Shuhao Wu
Without reading all the emails.. why can't you just cache the keys in an object and maintain that list? The you could check against that list. This way you don't have to go through every object in riak. Shuhao On May 2, 2012 2:47 PM, "Tim Haines" wrote: > Hey guys, > > Still a relative newbie he

Re: Most efficient way to determine if 1000 specific keys exist?

2012-05-09 Thread Alexander Sicular
Or just do an exists set operation in redis. Or use a bloom filter. (that you kept in Riak) Or use your own binary encoding n keys long and flip bits. (that you kept in Riak) Scanning a list of keys in Riak might be one of the most inefficient ways to do it. Also I don't like to keep values in R

Re: Most efficient way to determine if 1000 specific keys exist?

2012-05-09 Thread Shuhao Wu
Agreed. If you need something like that, it's time to combine technologies or hack something together for now until you need the efficiency later, then switch to something like redis. Shuhao On Wed, May 9, 2012 at 1:35 PM, Alexander Sicular wrote: > Or just do an exists set operation in redis.

Riak newbie, need to know if I can switch from Cassandra for a messageQueue For Erlang

2012-05-09 Thread Morgan Segalis
Hi everyone ! I have followed with interest the riak evolution. I have a chat server written in Erlang from scratch with my own protocol. Right now I'm using MySQL in order to store Users credentials and friend list. I'm using Cassandra via thrift to store message that an offline user has got,

Re: Riak newbie, need to know if I can switch from Cassandra for a messageQueue For Erlang

2012-05-09 Thread Morgan Segalis
Hi Bogunov, Thank you for your fast answer. If I understand correctly your though, for every insert, I should retrieve the list of message, append a new message and then store the list again ? If it is, doesn't it performance eating ? retrieve a whole list (that can be long if the user has not

Riak Community Release Notes

2012-05-09 Thread Mark Phillips
Hi All, We have a new repo on GitHub called The Riak Community [1] that I wanted to bring to your attention. This repo is home of the Riak Community Release Notes. Here's the first installment (spanning April 1 - May 3): https://github.com/basho/the-riak-community/blob/master/release-notes/riak-