Re: vector search question - 5.02

2024-11-08 Thread Patrick McFadin
Hey Joe, I think you are running into a limitation we found in JVector 1 and the use of HNSW. This is where release timing sucks. Jonathan continued work on JVector after merging the initial version into Cassandra 5 trunk before the code freeze. There was JVector 2 and then 3 which is in the JVect

Re: Unexplained stuck memtable flush

2024-11-08 Thread Bowen Song via user
Hi Abe, The com.datastax.oss.cdc.agent thing in the thread dump is the code forked from https://github.com/datastax/cdc-apache-cassandra/ . It sends the CDC data to Kafka instead of Pulsar, and some other additional features/changes. Due to the lack of documentation and examples on how to re

Re: Unexplained stuck memtable flush

2024-11-08 Thread Abe Ratnofsky
Hey Bowen, Are you able to reproduce the issue without running com.datastax.oss.cdc.agent? I don't see any glaringly obvious bugs there indicated by the thread dump, but it would be useful to rule that out, particularly because it runs as an agent and manages new instances of C*-defined classes