Cassandra backup queston regarding commitlogs

2012-04-28 Thread Roshan
Hi Currently I am taking daily snapshot on my keyspace in production and already enable the incremental backups as well. According to the documentation, the incremental backup option will create an hard-link to the backup folder when new sstable is flushed. Snapshot will copy all the data/index/e

nodetool repair cassandra 0.8.4 HELP!!!

2012-04-28 Thread Raj N
I have a 6 node cassandra cluster DC1=3, DC2=3 with 60 GB data on each node. I was bulk loading data over the weekend. But we forgot to turn off the weekly nodetool repair job. As a result, repair was interfering when we were bulk loading data. I canceled repair by restarting the nodes. But unfortu

Re: Can column type be changed dynamically?

2012-04-28 Thread Paolo Bernardi
Apparently IntegerType is based on Java's BigInteger. http://git-wip-us.apache.org/repos/asf?p=cassandra.git;a=blob_plain;f=src/java/org/apache/cassandra/db/marshal/IntegerType.java;hb=HEAD Given the message, I suspect that you got some values between -2^15 and 2^15-1 (the range of a short int) t

Re: nodetool repair cassandra 0.8.4 HELP!!!

2012-04-28 Thread Watanabe Maki
You should run repair. If the disk space is the problem, try to cleanup and major compact before repair. You can limit the streaming data by running repair for each column family separately. maki On 2012/04/28, at 23:47, Raj N wrote: > I have a 6 node cassandra cluster DC1=3, DC2=3 with 60 G

Re: Cassandra backup queston regarding commitlogs

2012-04-28 Thread Tamar Fraenkel
I want to add a couple of questions regrading incremental backups: 1. If I already have a Cassandra cluster running, would changing the i ncremental_backups parameter in the cassandra.yaml of each node, and then restart it do the trick? 2. Assuming I am creating a daily snapshot, what is the gain