Re: Ignorning message. showing in the log while upgrade to 0.8

2011-09-18 Thread Peter Schuller
It's fixed on 0.8.6. For 0.8.5 you would have to build it from source with the patch applied, yes. (Actually, in my opinion this bugfix is a good reason to release 0.8.6.) Turns out I had managed to miss the fact that a 0.8.6 release is being voted on so I'd expect it to happen soonish. You

Re: Ignorning message. showing in the log while upgrade to 0.8

2011-09-18 Thread Yan Chunlu
thanks! is the load info also a bug? node1 supposed to have 80MB. bash-3.2$ bin/nodetool -h localhost ring Address DC RackStatus State LoadOwns Token 93798607613553124915572813490354413064 node2 datacenter1 rack1 Up Normal 86.03 MB

Re: import data into cassandra

2011-09-18 Thread Benoit Perroud
There is no direct way to do that, but reading a CSV and inserting rows in Java is really easy. But you may want have a look at the new bulk loading tool, sstableloader, described here : http://www.datastax.com/dev/blog/bulk-loading Small detail, it seems you still write email at the incubator

Possibility of going OOM using get_count

2011-09-18 Thread Tharindu Mathew
Hi everyone, I noticed this line in the API docs, The method is not O(1). It takes all the columns from disk to calculate the answer. The only benefit of the method is that you do not need to pull all the columns over Thrift interface to count them. Does this mean if a row has a large number of

Re: ByteOrderedPartitioner

2011-09-18 Thread aaron morton
There is no real performance difference between the two partitions. Yes and no. Yes each replica will have the same data load if you set RF to the same number of nodes. No it's still not a good idea to have an unbalanced key range, you can still have throughput hot spots. Cheers

Re: Possibility of going OOM using get_count

2011-09-18 Thread aaron morton
yes. - Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 19/09/2011, at 7:16 AM, Tharindu Mathew wrote: Hi everyone, I noticed this line in the API docs, The method is not O(1). It takes all the columns from disk to calculate the

Re: Possibility of going OOM using get_count

2011-09-18 Thread Jake Luciani
This is fixed in 1.0 https://issues.apache.org/jira/browse/CASSANDRA-2894 On Sun, Sep 18, 2011 at 2:16 PM, Tharindu Mathew mcclou...@gmail.comwrote: Hi everyone, I noticed this line in the API docs, The method is not O(1). It takes all the columns from disk to calculate the answer. The

cassandra crashed while repairing, leave node size X3

2011-09-18 Thread Yan Chunlu
while doing repair on node3, the Load keep increasing, suddenly cassandra has encountered OOM, and the Load stopped at 140GB, after cassandra came back, I tried node cleanup but it seems not working does node repair generate many temp sstables? how to get rid of them? thanks! Address

benefits of off-heap (serializing) row cache?

2011-09-18 Thread Yang
this comment in JIRA mentions it https://issues.apache.org/jira/browse/CASSANDRA-1969?focusedCommentId=12985038page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-12985038 but in the end, it's not immediately clear. could someone give a summary of its advantages? (if

Re: cassandra crashed while repairing, leave node size X3

2011-09-18 Thread Anand Somani
In my tests I have seen repair sometimes take a lot of space (2-3 times), cleanup did not clean it, the only way I could clean that was using major compaction. On Sun, Sep 18, 2011 at 6:51 PM, Yan Chunlu springri...@gmail.com wrote: while doing repair on node3, the Load keep increasing,

Re: cassandra crashed while repairing, leave node size X3

2011-09-18 Thread Yan Chunlu
so does major compaction actually clean it or merge it, I am afraid it give me a single large file On Mon, Sep 19, 2011 at 10:26 AM, Anand Somani meatfor...@gmail.com wrote: In my tests I have seen repair sometimes take a lot of space (2-3 times), cleanup did not clean it, the only way I

Re: Possibility of going OOM using get_count

2011-09-18 Thread Tharindu Mathew
Thanks Aaron and Jake for the replies. Any chance of a possible workaround to use for Cassandra 0.7? On Mon, Sep 19, 2011 at 3:48 AM, aaron morton aa...@thelastpickle.comwrote: Cool Thanks, A - Aaron Morton Freelance Cassandra Developer @aaronmorton