Upgrade from 1.2.x to 2.0.x, upgradesstables has doubled the size on disk?

2017-12-29 Thread Dan Washusen
Hi All, We're taking advantage of the lull in traffic to go through a production cluster upgrade from 1.2.x (latest) to 2.0.x (latest). We have three nodes with a replication factor of three. I've noticed that the 'space used' has almost doubled as a result of running 'nodetool upgradesstables'. A

Re: How to get page id without transmitting data to client

2017-12-29 Thread Andy Tolbert
Hi Eunsu, Unfortunately there is not really a way to do this that I'm aware of. The page id contains data indicating where to start reading the next set of rows (such as partition and clustering information), and in order to get to that position you have to actually read the data. The driver doe

Re: Rebuild to a new DC fails every time

2017-12-29 Thread Martin Mačura
Is this something that can be resolved by CASSANDRA-11841 ? Thanks, Martin On Thu, Dec 21, 2017 at 3:02 PM, Martin Mačura wrote: > Hi all, > we are trying to add a new datacenter to the existing cluster, but the > 'nodetool rebuild' command always fails after a couple of hours. > > We're on Cas

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 Mon