Re: Nodetool repair on read only cluster

2017-11-29 Thread Jeff Jirsa
Over time the various nodes likely got slightly out of sync - dropped mutations primarily, during Long GC pauses or maybe network failures In that case, repair will make all of the data match - how long it takes depends on size of data (more data takes longer to validate), size of your partitio

Re: Nodetool repair on read only cluster

2017-11-29 Thread @Nandan@
Hi Roger, As you provide incomplete information which is so tough to analyse . But if you like to refer then please check below JIRA link to check out is it useful or not. ? https://issues.apache.org/jira/browse/CASSANDRA-6616 Thanks. On Thu, Nov 30, 2017 at 9:42 AM, Roger Warner wrote: > > > W

Nodetool repair on read only cluster

2017-11-29 Thread Roger Warner
What would running a repair on a cluster do when there are no deletes nor have there ever been?I have no deletes yet on my data.Yet running a repair took over 9 hours on a 5 node cluster? Roger?