Re: What does the community think of the DataStax 4.x Java driver changes?

2020-10-29 Thread Jonathan Koppenhofer
We actually feel the same where we have edge cases where downgrading CL was useful. We did end up writing this in application logic as our code was pretty well abstracted and centralized to do so. I will also agree the driver seems overly prescriptive now with limited ability to override. Good for

Re: What does the community think of the DataStax 4.x Java driver changes?

2020-10-29 Thread DuyHai Doan
Just my 2 cents Because of the tremendous breaking changes in terms of API as well as public facing classes (QueryBuilder for ex) I have stopped the development of the Achilles framework. Migrating to the 4.x version would require almost the complete rewrite of the framework, an effort which I ca

Re: GC pauses way up after single node Cassandra 2.2 -> 3.11 binary upgrade

2020-10-29 Thread Michael Semb Wever
> we had an awful performance/throughput experience with 3.x coming from 2.1. > 3.11 is simply a memory hog, if you are using batch statements on the client > side. If so, you are likely affected by > https://issues.apache.org/jira/browse/CASSANDRA-16201 > Confirming what Thomas writes, hea

Re: What does the community think of the DataStax 4.x Java driver changes?

2020-10-29 Thread Johnny Miller
Joshua - thanks for the update, I have found the ASF slack channel (#cassandra-cep-drivers-donation) and google doc ( https://docs.google.com/document/d/1e0SsZxjeTabzrMv99pCz9zIkkgWjUd4KL5Yp0GFzNnY/edit#). Will be watching it closely. In terms of the functional changes brought into the driver with

Re: What does the community think of the DataStax 4.x Java driver changes?

2020-10-29 Thread Joshua McKenzie
That's an immense amount of incredibly useful feedback Johnny. Thanks for taking the time and energy to write all this up. I work with some of the engineers who authored these changes in the driver and have brought this thread to their attention. The authors have offered the driver as a CEP donati

What does the community think of the DataStax 4.x Java driver changes?

2020-10-29 Thread Johnny Miller
Hi Everybody, We wanted to reach out to the community around the v4 changes in the DataStax Java driver and gauge people's opinions on some of the changes. DataStax have done a tremendous job over the years on the Cassandra drivers and contributing to this community. However, we are currently str

RE: [EXTERNAL] Re: Running and Managing Large Cassandra Clusters

2020-10-29 Thread Gediminas Blazys
Hey, @Tom I just wanted to clarify when I mention workload in the last email I meant it as the amount of requests the cluster has to serve. Gediminas From: Tom van der Woerdt Sent: Wednesday, October 28, 2020 14:35 To: user Subject: [EXTERNAL] Re: Running and Managing Large Cassandra Clusters