Re: Cassandra doesn't flush any commit log files into cdc_raw directory

Hi Ahmed, Thank you for your insights! I don't think the write rates are slow for the tables I enable CDC on, otherwise, the commit log sizes won't go over the cdc_total_space_in_mb (4096) quickly. I'll try to dig more into what affects the speed of memtable flushes. Bingqin Zhou On Thu, Apr 29,

Re: Cassandra 4.0 and python

Thanks Kane, If anyone else is interested in this, I created a Jira ticket : https://issues.apache.org/jira/browse/CASSANDRA-16641 but the response is that 3.6 is the minimum official supported version, although 2.7 still should work. Thi

Re: tablehistogram shows high sstables

It does imply the SSTables are being read - how big is your data size and how much memory on the nodes? It's certainly possible to get low latencies despite many SSTables, but I'd expect small read sizes paired with a lot of memory. raft.so - Cassandra consulting, support, managed services On Th

Re: Cassandra doesn't flush any commit log files into cdc_raw directory

Hi Bingqin, When cdc_raw directory is full, Cassandra rejects new writes on this node with the following message in the log: - Rejecting Mutation containing CDC-enabled table. https://github.com/apache/cassandra/blob/cassandra-3.11.9/src/java/org/apache/cassandra/db/commitlog/CommitLogSegmen