RE: Rationale for using Hazelcast in front of Cassandra?

2016-10-07 Thread KARR, DAVID
is pretty fast in rdbms too and they also have caches. By "close to" you mean in latency ? Have you thought why people don't use cassandra as a cache ? While it doesn't have LRU, it has TTL,replicatio,sharding. On Fri, Oct 7, 2016 at 12:00 AM, KARR, DAVID <dk0...@att.com<mailt

Rationale for using Hazelcast in front of Cassandra?

2016-10-06 Thread KARR, DAVID
I've seen use cases that briefly describe using Hazelcast as a "front-end" for Cassandra, perhaps as a cache. This seems counterintuitive to me. Can someone describe to me when this kind of architecture might make sense?

RE: Rationale for using Hazelcast in front of Cassandra?

2016-10-06 Thread KARR, DAVID
? Example: why does facebook use memcache ? They certainly have things distributed on thousands of servers. On Thu, Oct 6, 2016 at 11:40 PM, KARR, DAVID <dk0...@att.com<mailto:dk0...@att.com>> wrote: I've seen use cases that briefly describe using Hazelcast as a "front-end" f