Re: estimateRowsFromIndex exception in 0.7.5

2011-05-05 Thread aaron morton
Use snapshots or borrow from simplegeo.com https://github.com/simplegeo/tablesnap If you grab the directory at an arbitrary time there is no guarantee the data will be consistent. Cheers - Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On

Re: estimateRowsFromIndex exception in 0.7.5

2011-05-05 Thread Wenjun Che
Sylvain, thanks for the quick response, and you are correct: there is an empty index file. I removed the file and tried to start it up. Now Cassandra is reporting corrupt sstables. Does this mean I can't just simply back up var/lib directory (use snapshots instead) ? We don't have much data righ

Re: estimateRowsFromIndex exception in 0.7.5

2011-05-05 Thread Sylvain Lebresne
On Thu, May 5, 2011 at 8:38 PM, Wenjun Che wrote: > Hello, > > I have a one node cluster (refresh install from 0.7.4 and upgraded to 0.7.5 > last week).  The data is being backed up by  a cron job that periodically > tar/gzip entire > var/lib directory.  when I tested the backup by restoring the l

estimateRowsFromIndex exception in 0.7.5

2011-05-05 Thread Wenjun Che
Hello, I have a one node cluster (refresh install from 0.7.4 and upgraded to 0.7.5 last week). The data is being backed up by a cron job that periodically tar/gzip entire var/lib directory. when I tested the backup by restoring the last tar file, I am seeing the following exception: DEBUG 13:4