Re: How do replica become out of sync

2015-01-21 Thread Flavien Charlon
Quite a few, see here: http://pastebin.com/SMnprHdp. In total about 3,000 ranges across the 3 nodes. This is with vnodes disabled. It was at least an order of magnitude worse when we had it enabled. Flavien On 20 January 2015 at 22:22, Robert Coli wrote: > On Mon, Jan 19, 2015 at 5:44 PM, Flav

Re: How do replica become out of sync

2015-01-20 Thread Robert Coli
On Mon, Jan 19, 2015 at 5:44 PM, Flavien Charlon wrote: > Thanks Andi. The reason I was asking is that even though my nodes have > been 100% available and no write has been rejected, when running an > incremental repair, the logs still indicate that some ranges are out of > sync (which then resul

Re: How do replica become out of sync

2015-01-19 Thread Flavien Charlon
Thanks Andi. The reason I was asking is that even though my nodes have been 100% available and no write has been rejected, when running an incremental repair, the logs still indicate that some ranges are out of sync (which then results in large amounts of compaction), how can this be possible? I h

RE: How do replica become out of sync

2015-01-19 Thread Andreas Finke
Hi, right, QUORUM means that data is written to all replicas but the coordinator waits for QUORUM responses before returning back to client. If a replica is out of sync due to network or internal issue than consistency is ensured through: - HintedHandoff (Automatically http://www.datastax.com