Re: How to make Cassandra flush CommitLog files more frequently?

2021-05-03 Thread Kane Wilson
(removing dev) commitlog_segment_size_in_mb isn't going to help, in fact you probably don't want to modify this as it'll reduce the maximum size of your mutations. Reducing the total space on its own will help, however definitely test this as such a large drop could result in a massive increase in

How to make Cassandra flush CommitLog files more frequently?

2021-05-03 Thread Bingqin Zhou
Hi, We're working with the CDC feature to develop an agent to stream changes in Cassandra DB into Kafka. However, the CDC feature doesn't work well for us so far because CommitLog files are rarely flushed into cdc_raw directory, and the frequency can be as low as a few months. Is there any sugges

Re: V3.11.10 Docker uses Java 1.8-282, why not Java 3.11

2021-05-03 Thread Erick Ramirez
There are lots of vendors who will continue to support Java 8 given it's LTS until 2024(?). Discussion has started around officially supporting Java 11 for 4.x but that won't happen until after 4.0 GA. We encourage everyone in the community to actively test C* 4.0 with Java 11 so it becomes a know

Re: V3.11.10 Docker uses Java 1.8-282, why not Java 3.11

2021-05-03 Thread Ning Sun
If I recall correctly, Cassandra 4.0 is the first release to have support for Java 11 and Python 3 https://cassandra.apache.org/doc/latest/new/java11.html In the document above, the support of JDK 11 is only experimental as of 4.0 On 03/05/2021 15:02, Tobias Eriksson wrote: We are moving to

V3.11.10 Docker uses Java 1.8-282, why not Java 3.11

2021-05-03 Thread Tobias Eriksson
We are moving to 3.11.10, and we noticed that the Docker image here is based on Java 1.8 – 282 My understanding is that Java 1.8 is no longer (debatable perhaps 😉 ) , statements suggests that it is no longer supported since Jan-2019 Our company has gone Java 11 since so time back, and it does (of