Re: Single sstable file compaction issue

2018-03-26 Thread wxn...@zjqunshuo.com
1-big-* , and start the node. This is usually a bad idea in data models that aren't ttl-only time-series, but if you KNOW the data is all expired, and you didnt manually delete any other data, it may work for you. >>My data model is indeed ttl-only time-series. Cheers, -Simon From: Jeff Jirsa Da

Re: Single sstable file compaction issue

2018-03-26 Thread Jeff Jirsa
Tombstones probably aren't clearing because the same partition exists with older timestamps in other files (this is the "sstableexpiredblockers" problem, or "overlaps"). If you're certain you are ok losing that data, then you could stop the node, remove lb-143951-big-* , and start the node. This

Single sstable file compaction issue

2018-03-26 Thread wxn...@zjqunshuo.com
Hi All, I changed STCS to TWCS months ago and left some old sstable files. Some are almost tombstones. To release disk space, I issued compaction command on one file by JMX. After the compaction is done, I got one new file with almost the same size of the old one. Seems no tombstones are