Re: Does C* coordinator writes to replicas in same order or different order?

2017-02-21 Thread Kant Kodali
at 5:25 PM, Kant Kodali <k...@peernova.com> wrote: >>> >>>> Hi Dor, >>>> >>>> Great response! My comments are inline. >>>> >>>> Thanks a lot, >>>> kant >>>> >>>> >>>> On Mon, F

Re: Does C* coordinator writes to replicas in same order or different order?

2017-02-20 Thread Dor Laor
+ The C* coordinator send async write requests to the replicas. This is very important since it allows it to return a low latency reply to the client once the CL is reached. You wouldn't want to serialize the replicas one after the other. + The client <-> server sync/async isn't related

Does C* coordinator writes to replicas in same order or different order?

2017-02-20 Thread Kant Kodali
Hi, when C* coordinator writes to replicas does it write it in same order or different order? other words, Does the replication happen synchronously or asynchrnoulsy ? Also does this depend sync or async client? What happens in the case of concurrent writes to a coordinator ? Thanks, kant