> Hey guys, I need to retrieve a list of distinct users based on their activity
> datetime. How can I model a table to store that kind of information?
If it’s for an arbitrary time slice it will be tricky, if you can use pre set
time slices something like this would work:
CREATE TABLE (
On Mon, Nov 11, 2013 at 8:06 PM, Aaron Morton wrote:
> If you can reproduce it may be time to raise a ticket including the JBOD
> setup https://issues.apache.org/jira/browse/CASSANDRA
>
Per OP on https://issues.apache.org/jira/browse/CASSANDRA-6298
"
As it turns out, I was using symlinks. I had m
On 11/12/2013 12:23 PM, Michael Hayes wrote:
I need this specific version for my usergrid chef recipe. Right now I’m using
the datastax tarball from:
http://downloads.datastax.com/community/dsc-cassandra-1.1.11-bin.tar.gz
But a debian package would be better to properly setup the node.
http:/
I need this specific version for my usergrid chef recipe. Right now I’m using
the datastax tarball from:
http://downloads.datastax.com/community/dsc-cassandra-1.1.11-bin.tar.gz
But a debian package would be better to properly setup the node.
Any suggestions appreciated. Thanks.
There's no easy way to do this that I'm aware of. Snapshots are just
hardlinks to existing SSTable files. Your best option is probably either
scanning the CF with a normal client or setting up an M/R job.
On Mon, Nov 11, 2013 at 5:06 PM, Turi, Ferenc (GE Power & Water, Non-GE) <
ferenc.t...@ge.
This may be an easier method:
http://www.datastax.com/dev/blog/pluggable-metrics-reporting-in-cassandra-2-0-2
On Fri, Nov 8, 2013 at 3:57 PM, David Chia wrote:
> http://www.datastax.com/dev/blog/metrics-in-cassandra12
>
>
> On Fri, Nov 8, 2013 at 11:42 AM, Parag Patel wrote:
>
>>Hi,
>>
>>
>
You might be seeing https://issues.apache.org/jira/browse/CASSANDRA-6272,
depending on what version of Cassandra you're running.
On Tue, Nov 12, 2013 at 1:34 AM, Turi, Ferenc (GE Power & Water, Non-GE) <
ferenc.t...@ge.com> wrote:
> Hi,
>
>
>
> I tried to get experience in creating sstable usin
Thanks Christopher !
I don't think glibc is an issue (as it did go that far) /usr/tmp/
snappy-1.0.5-libsnappyjava.so is not there, permissions look ok, are there
any special settings (like JVM args) that I should be using ? I can see
libsnappyjava.so in the jar though
(snappy-java-1.0.5.jar\org\xer
Hi,
On 11/12/2013 05:29 AM, Aaron Morton wrote:
>>> Are you doing large slices or do could you have a lot of tombstones
>>> on the rows ?
>> don't really know - how can I monitor that?
> For tombstones, do you do a lot of deletes ?
> Also in v2.0.2 cfstats has this
>
> Average live cells per sli
Hi,
I've just received a requirement to make a Cassandra app
multi-tenanted, where we'll have up to 100 tenants.
Most of the tables are timestamped wide row tables with a natural
application key for the partitioning key and a timestamp key as a
cluster key.
So I was considering the options:
(a)
Thanks very much. I will try.
The goal of ccm and ccmlib is to make is easy to create, manage and destroy a
small cluster on a local box. It is meant for testing of a Cassandra cluster.
Best Regards,
Boole Guo
Software Engineer, NESC-SH.MIS
+86-021-51530666*41442
Floor 19, KaiKai Plaza, 888, Wanha
Starting multiple Cassandra nodes on the same machine involves setting loop
back aliases and some configuration fiddling.
Lucky for you Sylvain Lebresne made this handy tool in python which does the
job for you.
https://github.com/pcmanus/ccm
to run as a service you need a script like thi
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