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

One way to flush commitlog is nodetool flush On Cassandra nodes . On Tue, May 4, 2021 at 3:58 PM Bingqin Zhou wrote: > Hi Kane, > > Thank you for the insights! > > Reducing the total space on its own will help, however definitely test >> this as such a large drop could result in a massive

Re: Memory requirements for Cassandra reaper

2GB is allocated to the Reaper JVM on startup (see https://github.com/thelastpickle/cassandra-reaper/blob/2.2.4/src/packaging/bin/cassandra-reaper#L90-L91 ). If you just want to test it out on a machine with only 8GB, you can update the cassandra-reaper script to only use 1GB by setting -Xms1G

Re: Compatibility between Cassandra 3.11 and cqlsh from Cassandra 4.0 RC1

Okay, CASSANDRA-16652 is created. On 04/05/2021 22:30, Paulo Motta wrote: Hi Bowen, This seems like a bug to me, please kindly file an issue on https://issues.apache.org/jira/projects/CASSANDRA/summary

Re: Compatibility between Cassandra 3.11 and cqlsh from Cassandra 4.0 RC1

Hi Bowen, This seems like a bug to me, please kindly file an issue on https://issues.apache.org/jira/projects/CASSANDRA/summary with the provided reproduction steps. Thanks, Paulo Em ter., 4 de mai. de 2021 às 18:22, Bowen Song escreveu: > Hi all, > > > I was using the cqlsh from Cassandra

Compatibility between Cassandra 3.11 and cqlsh from Cassandra 4.0 RC1

Hi all, I was using the cqlsh from Cassandra 4.0 RC1 and trying to connect to a Cassandra 3.11 cluster, and it does not appear to be working correctly. Specificity, the "desc" command does not work at all. Steps to reproduce: # ensure you have docker installed and running #

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

Hi Kane, Thank you for the insights! 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 SSTables and > thus compaction overhead. You'll in general want to look into any property > that makes memtables flush

Re: Memory requirements for Cassandra reaper

Hi Surbhi, I don't know the memory requirements, but speaking from my observation, a single Cassandra Reaper instance with an external postgres database storage backend, and managing a single small Cassandra cluster, the Cassandra Reaper's Java process memory usage is slightly short of 1GB.

Memory requirements for Cassandra reaper

Hi, What are the memory requirements for Cassandra reaper? I was trying to setup cassandra reaper on a 8GB box where cassandra is taking 3GB heap size , but i got error "Cannot allocate memory" Hence wanted to understand the memory requirements for cassandra reaper . What should be the size of