Quote from
http://www.datastax.com/dev/blog/performance-improvements-in-cassandra-1-2
*"Murmur3Partitioner is NOT compatible with RandomPartitioner, so if you’re
upgrading and using the new cassandra.yaml file, be sure to change the
partitioner back to RandomPartitioner"*
On Thu, Dec 12, 2013 at
Hi Aaron,
It seems like you answered the question here.
https://groups.google.com/forum/#!topic/nosql-databases/vjZA5vdycWA
Can you give me the link to the blog which you mentioned
http://thelastpickle.com/2013/01/11/primary-keys-in-cql/
Thanks in advance
Varun
On Thu, Dec 12, 2013 at 3:36 P
Thanks Aaron, I was able to generate sstables and load using sstableloader.
But after loading the tables when I do a select query I get this, the table
has only one record. Is there anything I am missing or any logs I can look
at.
Request did not complete within rpc_timeout.
On Wed, Dec 11, 2013
Below is my CQL table -
CREATE TABLE test1 (
id text,
record_name text,
record_value blob,
PRIMARY KEY (id, record_name)
)
here id column will have data like this -
timestamp.count
And here timestamp is in milliseconds but rounded up to nearest seconds. So
as
Thank you for the reply Aaron. Unfortunately, I could not seem to find any
additional info in the logs. However, upgrading from 2.0.2 to 2.0.3 seems to
have done the trick!
Best regards,
-David Laube
On Dec 11, 2013, at 6:51 PM, Aaron Morton wrote:
>> [2013-12-08 11:04:02,047] Repair session
Hi Michael,
Upgrading from 2.0.2 to 2.0.3 seems to have done the trick! Thank you for the
recommendation!
Best regards,
-David Laube
On Dec 9, 2013, at 3:57 PM, "Laing, Michael" wrote:
> My experience is that you must upgrade to 2.0.3 ASAP to fix this.
>
> Michael
>
>
> On Mon, Dec 9, 2013
Thanks Aaron.
On Wed, Dec 11, 2013 at 10:45 PM, Aaron Morton wrote:
> > SYSTEM_MANAGER.create_column_family('Narrative','Twitter_search_test',
> comparator_type='CompositeType', default_validation_class='UTF8Type',
> key_validation_class='UTF8Type', column_validation_classes=validators)
>
> Comp
Hey Folks,
I have a row like this. 'twitter_row_key' is the row key and
411186035495010304 is column. Rest is values for 411186035495010304 column.
See below.
'twitter_row_key': OrderedDict([('411186035495010304', u'{"score": 0,
"tid": 411186035495010304, "created_at": "Thu Dec 12 17:29:24 +
Hi,
We did it once and it worked well.
Those two links should help (this is more or less what we've done) :
http://www.datastax.com/documentation/cassandra/1.2/webhelp/cassandra/operations/ops_add_dc_to_cluster_t.html
http://www.datastax.com/documentation/cassandra/1.2/webhelp/cassandra/operations
Hello,
We are in the process of isolating multiple applications currently running in
one large cassandra cluster to individual smaller clusters. Each application
runs in its own keyspace. In order to reduce/eliminate downtime for a
migration, I was curious if anyone had attempted the followin
On Thu, Dec 12, 2013 at 11:15 AM, J. Ryan Earl wrote:
> Why did you switch to RandomPartitioner away from Murmur3Partitioner?
> Have you tried with Murmur3?
>
>
>1. # partitioner: org.apache.cassandra.dht.Murmur3Partitioner
>2. partitioner: org.apache.cassandra.dht.RandomPartitioner
>
>
Why did you switch to RandomPartitioner away from Murmur3Partitioner? Have
you tried with Murmur3?
1. # partitioner: org.apache.cassandra.dht.Murmur3Partitioner
2. partitioner: org.apache.cassandra.dht.RandomPartitioner
On Fri, Dec 6, 2013 at 10:36 AM, srmore wrote:
>
>
>
> On Fri, De
Hey Folks,
I need some ideas about support implementing of pagination on the browser,
from the backend. So python code (backend) gets request from frontend with
page=1,2,3,4 and so on and count_per_page=50.
I am trying to use xget with column_count and buffer_size parameters. Can
someone explain
Thanks!
On Wed, Dec 11, 2013 at 9:37 PM, Aaron Morton wrote:
> If you have two nodes, and RF 2, you will only be able to use eventual
> consistency. If you want to have stronger consistency and some redundancy 3
> nodes is the minimum requirement.
>
> In the current setup, with only 2 nodes, I w
Hi Aaron,
As you can see in the picture, there is not much steal on iostat. That's
the same with top.
https://imageshack.com/i/0jm4jyp
Philippe
2013/12/10 Aaron Morton
> Thanks for the update Philip, other people have reported high await on a
> single volume previously but I don’t think it’s
On Wed, Dec 11, 2013 at 10:49 PM, Aaron Morton wrote:
> It is the write latency, read latency is ok. Interestingly the latency is
> low when there is one node. When I join other nodes the latency drops about
> 1/3. To be specific, when I start sending traffic to the other nodes the
> latency for a
You could use CassandraAuthorizer and PaaswordAuthenticator which ships
with Cassandra. See this article[1] for a good overview.
[1]
http://www.datastax.com/dev/blog/a-quick-tour-of-internal-authentication-and-authorization-security-in-datastax-enterprise-and-apache-cassandra
On Thursday, Decembe
Hi,
after adding 2 more nodes to a 4 nodes cluster (before) we are experiencing
high load on both new nodes. After doing some investigation we found out the
following:
- High cpu load on vm5+6
- Higher data load on vm5+6
- Write requests are evenly distributed to all 6 nodes by our client
appl
Hi,
I am not able to create collection inside another collection in Cassandra.
Please find screenshot below
[cid:image001.png@01CEF750.4A9B5020]
In the above screenshot, I am trying to create column named feeschedule with
type Map and Map have values which is of type List.
Could anybody sugge
Hello,
I have two questions regarding modelling a schema optimized for performance
for Cassandra.
My service does have users who can add a message to a list. The list of
message is sorted by date and displayed. When a user changes the message
the date is changed and the message moves to the top o
¡Eureka!
At last !!!
the trick??
As well as putting the jar libraries dependecies in the sharelib folder in
hdfs ...
I had define this and the other environment variables in the bash_profile
and works fine if I launch pig scripts from command line shell.
I have to define these
variables: PIG_
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