Re: [DISCUSS] Improve Commitlog write path

2022-07-25 Thread Elliott Sims
Not sure how many people this would end up applying to, but.. how does this affect write latency in batch or group mode? I'm running across what seems to be a latency bottleneck in NVME drives that lack a capacitor-backed cache where writes take ~5-10ms in batch mode, though the drive is of course

New episode of the Apache Cassandra(R) Corner Podcast

2022-07-25 Thread Aaron Ploetz
Link to next episode: Ep6 - Jeff Beck (SmartThings) https://drive.google.com/file/d/1_dhnMUlSF_8qByHdcoWQc0GD0rhsZjVf/view?usp=sharing (You may have to download it to listen) It will remain in staging for 72 hours, going live (assuming no objections) on Thursday, July 28th. If anyone should hav

Re: [DISCUSSION] Handling precision when reporting stream_throughput_outbound_megabits_per_sec and inter_dc_stream_throughput_outbound_megabits_per_sec

2022-07-25 Thread Ekaterina Dimitrova
For the record, I got failing unit test JMXGetterTest which reminded me that tools like JConsole will be just showing “unavailable” and no reason no matter what type of exception we add… I guess in that case I will error out only in nodetool where people can see the error and document loudly everyw