https://issues.apache.org/jira/browse/CASSANDRA/fixforversion/12314533
On Sun, Jun 20, 2010 at 7:30 PM, Anthony Ikeda <
anthony.ik...@cardlink.com.au> wrote:
> Is there such a thing? Where might I be able to see what is planned for
> Cassandra.
>
>
>
>
>
> Anthony Ikeda
>
> Java Analyst/Programm
Is there such a thing? Where might I be able to see what is planned for
Cassandra.
Anthony Ikeda
Java Analyst/Programmer
Cardlink Services Limited
Level 4, 3 Rider Boulevard
Rhodes NSW 2138
Web: www.cardlink.com.au | Tel: + 61 2 9646 9221 | Fax: + 61 2 9646 9283
*
aren't you guys using django though? :)
On Sun, Jun 20, 2010 at 7:40 PM, Joe Stump wrote:
> A lot of the magic that Django brings to the table is derived from the ORM.
> If you're skipping that then Pylons likely makes more sense.
>
> --Joe
>
> On Jun 20, 2010, at 5:08 PM, Charles Woerner
> wro
A lot of the magic that Django brings to the table is derived from the ORM. If
you're skipping that then Pylons likely makes more sense.
--Joe
On Jun 20, 2010, at 5:08 PM, Charles Woerner wrote:
> I recently looked into this and came to the same conclusion, but I'm not an
> expert in either
I recently looked into this and came to the same conclusion, but I'm not an
expert in either Django or Pylons so I'd also be interested in hearing what
someone with more Python experience would say.
On Sun, Jun 20, 2010 at 1:42 PM, S Ahmed wrote:
> Seeing as I will be using a different ORM, woul
No.
On Sun, Jun 20, 2010 at 2:42 PM, Rishi Bhardwaj wrote:
> Hi
> I was wondering if Cassandra has any plans for supporting atomic compare and
> swap operation on a column value? Compare could be on timestamp for the
> column or the column value itself and the write of course is on the column
> v
Hi
I was wondering if Cassandra has any plans for supporting atomic compare and
swap operation on a column value? Compare could be on timestamp for the column
or the column value itself and the write of course is on the column value + a
new timestamp. If there are no plans on supporting such an
I opened #1214 about this. I hope people will take a look and provide their
feedback.
https://issues.apache.org/jira/browse/CASSANDRA-1214
Thanks.
On Sun, Jun 20, 2010 at 3:58 PM, James Golick wrote:
> uh. wow. I just read up on all this again, and read the code, and I'm a
> little surprised,
Seeing as I will be using a different ORM, would it make more sense to use
pylons over django?
>From what I understand, pylons assumes less as compared to django.
Jake,
I will be interested in this functionality
Carlos
From: Jake Luciani [jak...@gmail.com]
Sent: Friday, June 18, 2010 10:57 PM
To: user@cassandra.apache.org
Subject: Re: Lucandra issues
Hi Maxim,
Lucandra doesn't support numeric queries quite yet. A
Hi Thomas,
my tests show that it is not only an issue with inserts
but also with gets, so importer or not, the ruby client
is not the fastest on earth... And my app is RoR, so
I'm stuck to using ruby (not that I don't like it...)
Christian
On Jun 20, 2010, at 8:34 PM, Thomas Heller wrot
uh. wow. I just read up on all this again, and read the code, and I'm a
little surprised, to be honest.
There's no attempt to manage the total size of the mmap()'d IO, and the
default buffer allocation is quite sizeable. So, basically, if you have any
data, over time, you will run out of memory, a
Thanks for your thoughts. Answers below:
On Sun, Jun 20, 2010 at 2:21 PM, Peter Schuller wrote:
> > The memory problems I've posted about before have gotten much worse and
> our
> > nodes are becoming incredibly slow/unusable every 24 hours or so.
> Basically,
> > the JVM reports that only 14GB
Hey there,
I saw the same thing and it worried me a little bit, but honestly its
just ONE core of your CPU capping out. You could either add some
threading to your insert script, or just spin up another process and
see your insert rate nearly double. Although C might add some speed, I
found that i
Only one: don't use it if you want performance.
On Sun, Jun 20, 2010 at 11:11 AM, Christian van der Leeden
wrote:
> Hi,
>
> I'm just experimenting and benchmarking cassandra for my use case.
> I'm using the fauna/cassandra and fauna/thrift_client. Is there a C or any
> other form of non-ru
> The memory problems I've posted about before have gotten much worse and our
> nodes are becoming incredibly slow/unusable every 24 hours or so. Basically,
> the JVM reports that only 14GB is committed, but the RSS of the process is
> 22GB, and cassandra is completely unresponsive, but still havin
Hi,
I'm just experimenting and benchmarking cassandra for my use case.
I'm using the fauna/cassandra and fauna/thrift_client. Is there a C or any
other form of non-ruby library that would speed up the ruby part of the
thrift client?
In my tests (inserting 1000 new columns 250 times into
I am trying to get the bulk loading example to work for simple CF.
List columnFamilies = new LinkedList();
while(...) {
String[] fields = ...
ColumnFamily columnFamily = ColumnFamily.create(keyspace, family);
long now = System.currentTimeMillis();
for (i
unsubscribe
I don't have the answer but if you provide jmap output, cfstats output that
may help.
Are you using mmap files?
Do you see swap? Gc in the logs?
On Jun 20, 2010 7:25 PM, "James Golick" wrote:
As I alluded to in another post, we just moved from 2-4 nodes. Since then,
the cluster has been incredib
As I alluded to in another post, we just moved from 2-4 nodes. Since then,
the cluster has been incredibly
The memory problems I've posted about before have gotten much worse and our
nodes are becoming incredibly slow/unusable every 24 hours or so. Basically,
the JVM reports that only 14GB is comm
I know, but that's not a big enough difference to warrant the huge amount of
difference in load.
On Sun, Jun 20, 2010 at 10:53 AM, Jordan Pittier - Rezel
wrote:
> Node 1 should have token 42535295865117307932921825928971026432 and node
> 3 127605887595351923798765477786913079296 according to the
Node 1 should have token 42535295865117307932921825928971026432 and node
3 127605887595351923798765477786913079296 according to the formula i *
(2**127 / 4) for i=1..4
On Sun, Jun 20, 2010 at 4:31 PM, James Golick wrote:
> I ran cleanup on all of them and the distribution looked roughly even aft
I ran cleanup on all of them and the distribution looked roughly even after
that, but a couple of days later, it's looking pretty uneven.
On Sun, Jun 20, 2010 at 10:21 AM, Jordan Pittier - Rezel
wrote:
> Hi,
> Have you tried nodetool repair (or cleanup) on your nodes ?
>
>
> On Sun, Jun 20, 2010
Hi,
Have you tried nodetool repair (or cleanup) on your nodes ?
On Sun, Jun 20, 2010 at 4:16 PM, James Golick wrote:
> I just increased my cluster from 2 to 4 nodes, and RF=2 to RF=3, using RP.
>
> The tokens seem pretty even on the ring, but two of the nodes are far more
> heavily loaded than t
"major compaction" = manually invoked compact-all-sstables
you're seeing "minor compactions" which are done automatically but
cannot remove tombstones
On Sun, Jun 20, 2010 at 3:21 AM, Amir wrote:
> Benjamin Black b3k.us> writes:
>
>>
>> http://wiki.apache.org/cassandra/DistributedDeletes
>>
>>
I just increased my cluster from 2 to 4 nodes, and RF=2 to RF=3, using RP.
The tokens seem pretty even on the ring, but two of the nodes are far more
heavily loaded than the others. I understand that there are a variety of
possible reasons for this, but I'm wondering whether anybody has suggestion
Hey,
of course I know about
http://github.com/fauna/cassandra
http://github.com/nzkoz/cassandra_object
and they are awesome and without them I probably would have had a much
harder time learning about Cassandra since its always good to have
some way to actually throw some stuff in there.
The ca
Benjamin Black b3k.us> writes:
>
> http://wiki.apache.org/cassandra/DistributedDeletes
>
> On Thu, Jun 17, 2010 at 9:10 AM, Amir yahoo.com> wrote:
> > Hi All,
> >
> > I'm running a benchmark on Cassandra while using a benchmark client which
I've
> > written myself.
> >
> > I'm running the fol
http://wiki.apache.org/cassandra/DistributedDeletes
On Thu, Jun 17, 2010 at 9:10 AM, Amir wrote:
> Hi All,
>
> I'm running a benchmark on Cassandra while using a benchmark client which I've
> written myself.
>
> I'm running the following scenario:
> One Cassandra node on the same machine as the c
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