Once we set nodes to act as virtualnodes, there is an way to revert to
manual assigned token?
I have two nodes for testing and there I set 'num_tokens: 256' and let
initial_token line commented. VirtualNodes worked fine.
But then I tried to switch back by commenting 'num_tokens' line and
.
On Fri, Dec 27, 2013 at 5:33 PM, Víctor Hugo Oliveira Molinar
vhmoli...@gmail.com wrote:
Hi, I'm not being able to start a multiple node cluster in a CentOs
environment due to snappy loading error.
Here is my current setup for both machines(Node 1 and 2),
CentOs:
CentOS release 6.5
Hi, I'm not being able to start a multiple node cluster in a CentOs
environment due to snappy loading error.
Here is my current setup for both machines(Node 1 and 2),
CentOs:
CentOS release 6.5 (Final)
Java
java version 1.7.0_25
Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
at 7:39 AM, Víctor Hugo Oliveira Molinar
vhmoli...@gmail.com wrote:
Hello everyone.
I have a daily maintenance task at c* which does:
-truncate cfs
-clearsnapshots
-repair
-cleanup
The reason I need to clean things is that I wont need most of my inserted
data on the next day. It's kind
Hello everyone.
I have a daily maintenance task at c* which does:
-truncate cfs
-clearsnapshots
-repair
-cleanup
The reason I need to clean things is that I wont need most of my inserted
data on the next day. It's kind a business requirement.
Well, the problem I'm running to, is the
Aaron, whenever I get a GCInspector event log, will it means that I'm
having a GC pause?
*Atenciosamente,*
*Víctor Hugo Molinar - *@vhmolinar http://twitter.com/#!/vhmolinar
On Thu, May 16, 2013 at 8:53 PM, aaron morton aa...@thelastpickle.comwrote:
(Assuming you have enabled tcp_nodelay on
What is the consistence level of your read and write operations?
On Mon, Mar 25, 2013 at 8:39 AM, Byron Wang byron.w...@woowteam.com wrote:
Hi,
I'm using cassandra 1.2.3.
I've successfully clustered 3 machines and created a keyspace with
replication factor 3.
Node1 seeds Node2
Node2
Hello guys!
I'm researching the behaviour for truncate operations at cassandra.
Reading the oficial wiki page(http://wiki.apache.org/cassandra/API) we can
understand it as:
*Removes all the rows from the given column family.*
And reading the DataStax page(
I guess Hector fits your requirements. The last release is pretty new.
But i'd suggest you to take a look at astyanax too.
On Tue, Mar 19, 2013 at 6:34 PM, Marko Asplund marko.aspl...@gmail.comwrote:
Hi,
I'm about to start my first Cassandra project and am a bit puzzled by
the multitude of
default of true
# should be used to provide data safety. If you set this flag to false,
you will
# lose data on truncation or drop.
auto_snapshot: true
- Original Message -
From: Víctor Hugo Oliveira Molinar vhmoli...@gmail.com
To: user@cassandra.apache.org
Sent: Tuesday, March 19
Hello guys.
I'm investigating the reasons of performance degradation for my case
scenario which follows:
- I do have a column family which is filled of thousands of columns inside
a unique row(varies between 10k ~ 200k). And I do have also thousands of
rows, not much more than 15k.
- This rows
?
On Mar 2, 2013, at 9:48 AM, Víctor Hugo Oliveira Molinar
vhmoli...@gmail.com wrote:
Hello guys.
I'm investigating the reasons of performance degradation for my case
scenario which follows:
- I do have a column family which is filled of thousands of columns
inside a unique row(varies
to? Sounds like as the number of tombstones
records increase your performance decreases. (Which I would expect)
On Mar 2, 2013, at 10:28 AM, Víctor Hugo Oliveira Molinar
vhmoli...@gmail.com wrote:
I have a daily maintenance of my cluster where I truncate this column
family. Because its data
around until gc grace so you could lower that to see of
that fixes the performance issues.
Size tiered or leveled comparison?
On Mar 2, 2013, at 11:15 AM, Víctor Hugo Oliveira Molinar
vhmoli...@gmail.com wrote:
What is your gc_grace set to? Sounds like as the number of tombstones
records
that?
On Wed, Feb 27, 2013 at 11:24 PM, Víctor Hugo Oliveira Molinar
vhmoli...@gmail.com wrote:
Hello, I need some help to manage my live cluster!
I'm currently running a cluster with 2 nodes, RF:2, CL:1.
Since I'm limited to hardware upgrade issues, I'm not able to increase my
Hello, I need some help to manage my live cluster!
I'm currently running a cluster with 2 nodes, RF:2, CL:1.
Since I'm limited to hardware upgrade issues, I'm not able to increase my
ConsitencyLevel for now.
Anyway, * *I ran a full repair on each node of the cluster followed by a
flush.
Hello everyone!
I'd like to know if there is any guide or description of the cassandra
server log(system.log).
I mean, how should I interpret each log event, and what information may I
retain for it;
Aaron, what did u mean with RF3 CLQuorum is more a real world scenario?
If there are only 2 nodes, where will be placed the third replica?
By increasing the CL wont it decrease the performance on w/r and then
increase the timeoutexceptions of this mentioned case?
On Fri, Feb 22, 2013 at 1:59 PM,
Why have u assigned for both nodes a genenerated token? And how you
calculated it?
Shouldnt u choose one of them to has its token as the '0' start value?
At least that is what is said on the tutorials I've read.
On Mon, Feb 18, 2013 at 2:55 PM, Boris Solovyov boris.solov...@gmail.comwrote:
hello everyone!
I have a column family filled with event objects which need to be processed
by query threads.
Once each thread query for those objects(spread among columns bellow a
row), it performs a delete operation for each object in cassandra.
It's done in order to ensure that these events
PM, Víctor Hugo Oliveira Molinar wrote:
hello everyone!
I have a column family filled with event objects which need to be
processed by query threads.
Once each thread query for those objects(spread among columns bellow a
row), it performs a delete operation for each object in cassandra
How do you establish the connection?
Are you closing and reopening it?
It's normal for cassandra slowing down after many insertions, but it would
only take more time to process your write, nothing more than that.
On Fri, Feb 1, 2013 at 5:53 PM, Marcelo Elias Del Valle
mvall...@gmail.comwrote:
Do not set initial_token when using murmur3partitioner.
instead, set num_tokens.
For example, u have 3 hosts with the same hardware setup, then, for each
one set the same num_tokens.
But now consider adding another better host, this time i'd suggest you to
set previous num_tokens * 2.
Hi fellows.
I current have 3 nodes cluster running with a replication factor of 1.
It's a pretty simple deployment and all my enforcements are focused in
writes rather than reads.
Actually I'm noticing that my commit log size is always very big if
compared to the ammout of data being
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