> > My understanding was that if initial_token is left empty on the new node, > it just contacts the heaviest node and bisects its token range.
If you are using vnodes and you have num_tokens set to 256 the new node will take token ranges dynamically. What is the configuration of your other nodes, are you setting num_tokens or initial_token on those? Mark On Tue, Aug 5, 2014 at 2:57 PM, Ruchir Jha <ruchir....@gmail.com> wrote: > Thanks Patricia for your response! > > On the new node, I just see a lot of the following: > > INFO [FlushWriter:75] 2014-08-05 09:53:04,394 Memtable.java (line 400) > Writing Memtable > INFO [CompactionExecutor:3] 2014-08-05 09:53:11,132 CompactionTask.java > (line 262) Compacted 12 sstables to > > so basically it is just busy flushing, and compacting. Would you have any > ideas on why the 2x disk space blow up. My understanding was that if > initial_token is left empty on the new node, it just contacts the heaviest > node and bisects its token range. And the heaviest node is around 2.1 TB, > and the new node is already at 4 TB. Could this be because compaction is > falling behind? > > Ruchir > > > On Mon, Aug 4, 2014 at 7:23 PM, Patricia Gorla <patri...@thelastpickle.com > > wrote: > >> Ruchir, >> >> What exactly are you seeing in the logs? Are you running major >> compactions on the new bootstrapping node? >> >> With respect to the seed list, it is generally advisable to use 3 seed >> nodes per AZ / DC. >> >> Cheers, >> >> >> On Mon, Aug 4, 2014 at 11:41 AM, Ruchir Jha <ruchir....@gmail.com> wrote: >> >>> I am trying to bootstrap the thirteenth node in a 12 node cluster where >>> the average data size per node is about 2.1 TB. The bootstrap streaming has >>> been going on for 2 days now, and the disk size on the new node is already >>> above 4 TB and still going. Is this because the new node is running major >>> compactions while the streaming is going on? >>> >>> One thing that I noticed that seemed off was the seeds property in the >>> yaml of the 13th node comprises of 1..12. Where as the seeds property on >>> the existing 12 nodes consists of all the other nodes except the thirteenth >>> node. Is this an issue? >>> >>> Any other insight is appreciated? >>> >>> Ruchir. >>> >>> >>> >> >> >> -- >> Patricia Gorla >> @patriciagorla >> >> Consultant >> Apache Cassandra Consulting >> http://www.thelastpickle.com <http://thelastpickle.com> >> > >
