Thank you for your response. The patch for the issue page you linked to may be not included in 3.11.3.
If I run repair -pr on all nodes, will both datacenter use the same amount of disk? > On 24 Dec 2018, at 2:25 PM, Jeff Jirsa <jji...@gmail.com> wrote: > > Seems like this is getting asked more and more, that’s unfortunate. Wish I > had time to fix this by making flush smarter or TWCS split old data. But I > don’t. > > You can search the list archives for more examples, but what’s probably > happening is that you have sstables overlapping which prevents TWCS from > dropping them when fully expired > > The overlaps probably come from either probabilistic read repair or > speculative retry read-repairing data into the memtable on the dc that > coordinates your reads > > Cassandra-13418 ( https://issues.apache.org/jira/browse/CASSANDRA-13418 > <https://issues.apache.org/jira/browse/CASSANDRA-13418> ) makes it so you can > force sstables to be dropped at expiration regardless of overlaps, but you > have to set some properties because it’s technically unsafe (if you write to > the table with anything other than ttls). > > > > -- > Jeff Jirsa > > > On Dec 24, 2018, at 12:05 AM, Eunsu Kim <eunsu.bil...@gmail.com > <mailto:eunsu.bil...@gmail.com>> wrote: > >> I’m using TimeWindowCompactionStrategy. >> >> All consistency level is ONE. >> >>> On 24 Dec 2018, at 2:01 PM, Jeff Jirsa <jji...@gmail.com >>> <mailto:jji...@gmail.com>> wrote: >>> >>> What compaction strategy are you using ? >>> >>> What consistency level do you use on writes? Reads? >>> >>> -- >>> Jeff Jirsa >>> >>> >>>> On Dec 23, 2018, at 11:53 PM, Eunsu Kim <eunsu.bil...@gmail.com >>>> <mailto:eunsu.bil...@gmail.com>> wrote: >>>> >>>> Merry Christmas >>>> >>>> The Cassandra cluster I operate consists of two datacenters. >>>> >>>> Most data has a TTL of 14 days and stores one data for each data center. >>>> (NetworkTopologyStrategy, datacenter1: 1, datacenter2: 1) >>>> >>>> However, for a few days ago, only the datacenter1 disk usage is increasing >>>> rapidly. >>>> >>>> There is no change in nodetool cleanup on each node of datacenter1. >>>> >>>> How does this happen? What can I do? >>>> >>>> I would appreciate your advice. >>>> >>>> Thank you in advance. >>>> >>>> <PastedGraphic-2.png> >>>> >>>> <PastedGraphic-1.png> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org >>> <mailto:user-unsubscr...@cassandra.apache.org> >>> For additional commands, e-mail: user-h...@cassandra.apache.org >>> <mailto:user-h...@cassandra.apache.org> >>> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org >> <mailto:user-unsubscr...@cassandra.apache.org> >> For additional commands, e-mail: user-h...@cassandra.apache.org >> <mailto:user-h...@cassandra.apache.org> >>
