Re: adding node to cluster

2012-08-31 Thread Rob Coli
On Thu, Aug 30, 2012 at 10:39 PM, Casey Deccio wrote: >> In what way are the lookups "failing"? Is there an exception? >> > No exception--just failing in that the data should be there, but isn't. At ConsistencyLevel.ONE or QUORUM? If you are bootstrapping the node, I would expect there to be no

Re: Cassandra and Apache Drill

2012-08-31 Thread Jake Luciani
I don't think Drill has been accepted into the incubator yet or has any code. If/When that happens then it's entirely possible Cassandra could be integrated. On Fri, Aug 31, 2012 at 4:29 PM, John Onusko wrote: > Like a lot of folks, I have a need for Big Data and fast queries on that > data. Hi

Cassandra and Apache Drill

2012-08-31 Thread John Onusko
Like a lot of folks, I have a need for Big Data and fast queries on that data. Hive queries against Cassandra functionally meet my requirements, but the job oriented processing is too slow when you need to execute many queries on a small portion of the data. It seems like Apache Drill might be t

Composite row keys with SSTableSimpleUnsortedWriter for Cassandra 1.0?

2012-08-31 Thread Jeff Schmidt
Hello: I'm using DataStax Enterprise 2.1, which is based on Cassandra 1.0.10 from what I can tell. For my project, I perform a content build that generates a number of SSTables using SSTableSimpleUnsortedWriter. These are loaded using either JMX or sstableloader depending on the environment.

Re: force gc?

2012-08-31 Thread Jeffrey Kesselman
Cassandra at least used to do disc cleanup as a side effect of garbage collection through finalizers. (This is a mistake for the reason outlined below.) It is important to understand that you can *never* "force* a gc in java. Even calling System.gc() is merely a hint to the VM. What you are doing

force gc?

2012-08-31 Thread Alexander Shutyaev
Hi All! I have a problem with using cassandra. Our application does a lot of overwrites and deletes. If I understand correctly cassandra does not actually delete these objects until gc_grace seconds have passed. I tried to "force" gc by setting gc_grace to 0 on an existing column family and runnin

Re: Store a timeline with uniques properties

2012-08-31 Thread Morgan Segalis
Nevermind, it is called composite columns. Thank you for your help. Morgan. Le 31 août 2012 à 06:05, aaron morton a écrit : > Consider trying… > > UserTimeline CF > > row_key: > column_names: > column_values: action details > > To get the changes between two times specify the start and

Re: Store a timeline with uniques properties

2012-08-31 Thread Morgan Segalis
Hi Aaron, That's great news... Would you know the name of this feature so I can look further into it ? Thanks, Morgan. Le 31 août 2012 à 06:05, aaron morton a écrit : > Consider trying… > > UserTimeline CF > > row_key: > column_names: > column_values: action details > > To get the chan

Re: How to set LeveledCompactionStrategy for an existing table

2012-08-31 Thread Jean-Armel Luce
Hello Aaron. Thanks for your answer Jira ticket 4597 created : https://issues.apache.org/jira/browse/CASSANDRA-4597 Jean-Armel 2012/8/31 aaron morton > Looks like a bug. > > Can you please create a ticket on > https://issues.apache.org/jira/browse/CASSANDRA and update the email > thread ? > >