I recently posted a blog article about Cassandra and EC2 performance testing
for small vs large, EBS vs ephemeral storage, compared to real HW with and
without an SSD. Hope people find it interesting.
http://www.coreyhulen.org/?p=326
Highlights:
- The variance in test results from run to run
3: https://issues.apache.org/jira/browse/CASSANDRA-1042
>
> On Fri, Jun 18, 2010 at 2:49 PM, Corey Hulen wrote:
> >
> > We are using MapReduce to periodical verify and rebuild our secondary
> > indexes along with counting total records. We started to noticed double
> > cou
r key count you will
get double counts.
-Corey
On Fri, Jun 18, 2010 at 3:15 PM, Corey Hulen wrote:
>
> I thought the same thing, but using the supplied contrib example I just
> delete the /var/lib/data dirs and commit log.
>
> -Corey
>
>
>
>
> On Fri, Jun 18, 2
feature (of sorts). When this happens I
> increment a formally non-zero portion of the timestamp (the last digit of
> precision which was always zero) and use this as a counter to track how many
> times a key/col was updated (max 9 for my purposes).
>
> -phil
>
> On Jun 18, 2010, a
We are using MapReduce to periodical verify and rebuild our secondary
indexes along with counting total records. We started to noticed double
counting of unique keys on single machine standalone tests. We were finally
able to reproduce the problem using
the apache-cassandra-0.6.2-src/contrib/word_
Can someone point me to a thrift sample (preferable java) to list all the
rows in a ColumnFamily for my Cassandra server. I noticed some examples
using SlicePredicate and SliceRange to perform a similar query against the
columns with paging, but I was looking for something similar for rows with
pa
