RE: ConsitencyLevel and Mutations : Behaviour if the update of the commitlog fails

2017-09-19 Thread Leleu Eric
OK, thanks you. De : kurt greaves [mailto:k...@instaclustr.com] Envoyé : mardi 19 septembre 2017 06:35 À : User Objet : Re: ConsitencyLevel and Mutations : Behaviour if the update of the commitlog fails ​Does the coordinator "cancel" the mutation on the "committed" nodes (and how)? No. Those

Re: ConsitencyLevel and Mutations : Behaviour if the update of the commitlog fails

2017-09-18 Thread kurt greaves
> ​Does the coordinator "cancel" the mutation on the "committed" nodes (and > how)? No. Those mutations are applied on those nodes. > Is it an heuristic case where two nodes have the data whereas they > shouldn't and we hope that HintedHandoff will replay the mutation ? Yes. But really you

ConsitencyLevel and Mutations : Behaviour if the update of the commitlog fails

2017-09-18 Thread Leleu Eric
Hi Cassandra users, I have a question about the ConsistencyLevel and the MUTATION operation. According to the write path documentation, the first action executed by a replica node is to write the mutation into the commitlog, the mutation is ACK only if this action is performed. I suppose that