Rana Aich aichrana at gmail.com writes:
Yet my nodetool shows the following:
192.168.202.202Down 319.94 GB 7200044730783885730400843868815072654
|--|
192.168.202.4 Up 382.39 GB 23719654286404067863958492664769598669
| ^
192.168.202.2 Up 106.81 GB
On 28 Sep 2010, at 08:37, Michael Dürgner wrote:
What do you mean by running live? I am also planning to use cassandra on
EC2 using small nodes. Small nodes have 1/4 cpu of the large ones, 1/4 cost,
but I/O is more than 1/4 (amazon does not give explicit I/O numbers...), so
I think 4
On Mon, 2010-09-27 at 14:42 -0700, Kyusik Chung wrote:
We're running a cassandra cluster using 0.6.1 and we need to add a
node. Id like to add another node with the same version so that I
don't have to test a mixed version cluster or test (and conduct) a
whole-scale upgrade to 0.6.5and
Hi
I am involving in migrating our database Mysql to Cassandra. After Google
about Cassandra database i feel following are some issues we need to find
the solutions.
Suggest me if my analysis is wrong or for my doubts.
*1) Projecting all the rows* - If we fixed KeyRange count to N records and
Peter - my apologies for the slow response - we had
to divert down a 'Plan B' approach last week involving
MySQL, memcache, redis and various other uglies.
On 20 September 2010 23:11, Peter Schuller peter.schul...@infidyne.com wrote:
Are you running an old JVM by any chance? (Just grasping
Question regarding schema set-up and modification: I just set up the newest
nightly build of 0.7, imported our .yaml file after starting Cassandra, and
everything is honky-dorey. We're not sure if Pelops is capable of modifying
shema definitions, but it doesn't appear any changes we make to the
Question regarding schema set-up and modification: I just set up the newest
nightly build of 0.7, imported our .yaml file after starting Cassandra, and
everything is honky-dorey. We're not sure if Pelops is capable of modifying
shema definitions, but it doesn't appear any changes we make to
I understand adding column family configuration fields using thrift in
Pelops for system_add_column_family, and even renaming column families, but
what about modifying the actual column family configuration values,
e.g. read_repair_chance: 1.0 to read_repair_chance: .5 (as a poor example)?
On
1) Thats the general approach http://wiki.apache.org/cassandra/FAQ#iter_world for Not sure why you think it will run into aninfinitelooop.2) Not sure what your question is here. You either need to maintain the indexes yourself (by using a CF where the cols are the keys for another CF) or use the
There is asystem_update_column_family(CDef) function on the trunk, so it will be in 0.7-beta2. Take a look at the interface/cassandra.thrift .AOn 29 Sep, 2010,at 09:31 AM, Frank LoVecchio fr...@isidorey.com wrote:I understand adding column family configuration fields using thrift in Pelops for
Ok,
I tried that method in Pelops, and this is the error I get when trying to to
update a Column Family Type from Standard to Super:
InvalidRequestException(why:types do not match.)
at
org.apache.cassandra.thrift.Cassandra$system_update_column_family_result.read(Cassandra.java:27741)
Hi,
I'm attempting to use avro to talk to cassandra because the ruby thrift
client's read performance is pretty bad (I measured 4x slower than java).
However, I run into a problem when calling multiget_slice.
The server gives a KeyspaceNotDefinedException because
clientState.getKeyspace()
On Tue, Sep 28, 2010 at 4:06 PM, Gabor Torok
gabor.to...@sunpowercorp.com wrote:
Hi,
I'm attempting to use avro to talk to cassandra because the ruby thrift
client's read performance is pretty bad (I measured 4x slower than java).
Only 4x feels like a win. :)
One thing you should try is to
Hey guys!
Just wanted to let you know that Wednesday's meetup is going to have
some *fantastic* speakers from around the world :) You need to come!
http://www.meetup.com/Seattle-Hadoop-HBase-NoSQL-Meetup/calendar/13704368/
Wednesday, 7pm, Amazon SLU.
First we have Tim Anglade, who flew here all
because it's not worth the penalty to concurrency
On Tue, Sep 28, 2010 at 9:02 PM, Alvin UW alvi...@gmail.com wrote:
Why the secondary index is not updated absolutely atomically?
2010/9/2 Jonathan Ellis jbel...@gmail.com
yes, it is updated atomically (but not in isolation, it's possible for
Noticed these when working against the current 0.7.0 beta2 (#3) build...When sending a system_add_keyspace request with an invalid keyspace the response to the client is fine...(python)InvalidRequestException: InvalidRequestException(why='Invalid keyspace name: Test Keyspace 1285729085.78')However
Thanks, that made things better by about 30%. Unfortunately for me that's still
unacceptable... :-(
I feel like I'm doing something wrong with avro (see my original post). Was
anyone able to make it work?
On Tue, Sep 28, 2010 at 10:28 PM, Aaron Morton aa...@thelastpickle.com wrote:
Noticed these when working against the current 0.7.0 beta2 (#3) build...
When sending a system_add_keyspace request with an invalid keyspace the
response to the client is fine...
(python)
InvalidRequestException:
Running on the current 0.7.0 beta2 #3.On my dev workstation (unubtu 10.4) Iaccidentallylet cassandra have 4GB and free memory got down to 100 MB . I was running some tests that added a few ( 100) rows to the CF's in Keyspace1, then Truncated the CF's for the next tests.I got the following error in
On Tue, Sep 28, 2010 at 11:25 PM, Aaron Morton aa...@thelastpickle.com wrote:
1) Is the memory error just a result of me letting my machine run stupidly
low on memory?
No, it's the JVM forking to run ln. Enable overcommit, or get JNA so
it does the link w/ native code instead.
2) Should it
Thanks Eric. Im not sure why I couldnt locate it earlierthought I had
looked in all the directories.
Kyusik Chung
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