Re: Change STCS to TWCS

2017-12-29 Thread wxn...@zjqunshuo.com
Thanks Jeff. Will have a try using JMX on one node. From: Jeff Jirsa Date: 2017-12-29 15:57 To: user Subject: Re: Change STCS to TWCS It’s going to cause a lot of compactions - this is especially true with stcs where many of your sstables (especially the big ones) will overlap and be joined

Re: Change STCS to TWCS

2017-12-28 Thread Jeff Jirsa
It’s going to cause a lot of compactions - this is especially true with stcs where many of your sstables (especially the big ones) will overlap and be joined Monitor free space (and stop compactions as needed), free memory (bloom filters during compaction will take a big chunk as you build), and

Change STCS to TWCS

2017-12-28 Thread wxn...@zjqunshuo.com
Hi All, My production cluster is running 2.2.8. It is used to store time series data with only insertion with TTL, no update and deletion. From the mail lists seems TWCS is more suitable than STCS for my use case. I'm thinking about changing STCS to TWCS in production. I have read the guide(htt