Offline compaction/merging of multiple SSTables into one

2019-06-03 Thread Alexander Shukaev (BLOOMBERG/ FRANKFURT)
Hi Everyone, I have the following question [1]: ``` $ cd /tmp $ cp -r /var/lib/cassandra/data/keyspace/table-6e9e81a0808811e9ace14f79cedcfbc4 . $ nodetool compact --user-defined table-6e9e81a0808811e9ace14f79cedcfbc4/*-Data.db ``` I expected the two SSTables (where the second one contains only

Re: Offline Compaction and Token Splitting

2015-05-07 Thread Robert Coli
On Thu, May 7, 2015 at 12:07 PM, Jeff Ferland wrote: > Does anybody have any thoughts in regards to other things that might exist > and fulfill this (particularly offline collective compaction), have a > desire for such tools, or have any useful information for me before I > attempt to build such

Offline Compaction and Token Splitting

2015-05-07 Thread Jeff Ferland
I have an ideal for backups in my mind with Cassandra to dump each columnfamily to a directory and use an offline process to compact them all into one sstable (or max sstable size set). I have an ideal for restoration which involves a streaming read an sstable set and output based on whether the

Re: offline compaction

2012-03-08 Thread Mike Panchenko
Yes, that is what would happen; some anti entropy mechanism would have to perform the replication after the fact (hinted handoff, read repair, manual repair etc). For most things, it's better to rely on the dynamic endpoint snitch and some sort of dynamic load balancing from the client (see: https

Re: offline compaction

2012-03-08 Thread Karl Hiramoto
On 03/08/12 21:40, Edward Capriolo wrote: On Thu, Mar 8, 2012 at 1:43 PM, Feng Qu wrote: Hello, is there a way to take one node out of ring and running a major compaction? Feng Qu http://www.jointhegrid.com/highperfcassandra/?p=187 What are the drawbacks to disable thrift and gossip? So y

Re: offline compaction

2012-03-08 Thread Edward Capriolo
On Thu, Mar 8, 2012 at 1:43 PM, Feng Qu wrote: > Hello, is there a way to take one node out of ring and running a major > compaction? > > Feng Qu http://www.jointhegrid.com/highperfcassandra/?p=187 Cheers

offline compaction

2012-03-08 Thread Feng Qu
Hello, is there a way to take one node out of ring and running a major compaction?    Feng Qu