Greetings, I'm running head from source, and now when i try to start up
the database, i get the following exception which causes client
connection failures. I'm fine with blowing away the database, just
playing, but wanted to know if there is a safe way to do this.
Exception encountered
the cassandra-cli version I am using is shipped with the cassandra 0.7.4
package;
but I could get results by the column name 14np_20nl:
get mycf2[14np][14np_20nl];
On Mon, Aug 22, 2011 at 1:20 PM, Jonathan Ellis jbel...@gmail.com wrote:
My guess: you're using an old version of the cli that
Hi,
Thanks for explaining: As I understood each node now only displays
it's local view of the the data it cotains, and not the global view
anymore.
One more question:
Why do the nodes at the end of the ring only show the % load from 2
nodes and not from 3?
We are always writing with quorum, so
Hello all,
i have a SQL structure like this:
Visitant ( has several properties )
Visitant has many Sessions
Sessions ( has several properties )
Sessions has many Requests ( has several properties )
Sessions has many Events ( has several properties )
i have read a lot and still confused how to
And thank you for your feedback! :)
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Hey, that´s awesome great! Keep on that work! I love it! :o)
2011/8/22 SebWajam sebast...@wajam.com
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Yes, you can blow away both the data and commitlog directories and
restart, but can you try these first to troubleshoot?
1. make a copy of the commitlog directory
2. downgrade to 0.8 with no other changes, to see if it's something on
the new read path
2a. if 0.8 starts up then we will fix the
Specifically, look at compaction_throughput_mb_per_sec in cassandra.yaml
On Mon, Aug 22, 2011 at 12:39 AM, Ryan King r...@twitter.com wrote:
You should throttle your compactions to a sustainable level.
-ryan
On Sun, Aug 21, 2011 at 10:22 PM, Hefeng Yuan hfy...@rhapsody.com wrote:
We just
unsubscribe
I made some changes to my code base that uses cassandra. I went back
to using the processed column, but instead of using 0 or 1 I
decided to use no and yes
You can view the code here: http://pastebin.com/gRBC16e7
As you can see from the code, I perform an insert, get, check the
result, if it
Hi there, here's my tuppence!
1. Something to look at first:
If you write two different values to the same column quickly in succession,
if both writes go out with the same timestamp, then it is indeterminate
which one wins i.e. write order doesn't necessarily matter.
2. Don't trust PayPal
Thanks for the reply.
On Mon, Aug 22, 2011 at 1:11 PM, Dominic Williams
dwilli...@fightmymonster.com wrote:
Hi there, here's my tuppence!
1. Something to look at first:
If you write two different values to the same column quickly in succession,
if both writes go out with the same timestamp,
After having done so many tries, I am not sure which log entries correspond
to what. However, there were many of this type:
WARN [CompactionExecutor:14] 2011-08-18 18:47:00,596 CompactionManager.java
(line 730) Index file contained a different key or row size; using key from
data file
And
Not sure why it's different for the nodes at the end of the ring. But I'm going
to assume Quorum is working as expected and it's an artifact of the way the
ring ownership is calculated.
Cheers
-
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://wiki.apache.org/cassandra/FAQ#unsubscribe
How do I unsubscribe from the email list?
Send an email to user-unsubscr...@cassandra.apache.org
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Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com
On 23/08/2011, at 3:18 AM, Rodrigo Hjort
Hello,
I'd like to try the cassandra tutorial example:
https://github.com/zznate/cassandra-tutorial
by following the readme.
After typing mvn -e exec:java -Dexec.args=get
-Dexec.mainClass=com.datastax.tutorial.TutorialRunner
I got the following errors.
Should I do something before the above
Shall I lower this or increase it? Or probably ask in this way, do we suggest
to let it run longer while using less CPU, or should we let it finish faster
with more CPU usage?
The problem we're facing is, with the default setting, they run slow and also
eat a lot of CPU in the meanwhile.
I'm
We're using 0.8.1, and found the CQL count(*) is counting deleted columns, CLI
doesn't have this issue. Is it a bug?
cqlsh select * from CF where key = 'foo';
u'foo'
cqlsh select count(*) from CF where key = 'foo';
(3,)
Yes.
On Mon, Aug 22, 2011 at 6:58 PM, Hefeng Yuan hfy...@rhapsody.com wrote:
We're using 0.8.1, and found the CQL count(*) is counting deleted columns,
CLI doesn't have this issue. Is it a bug?
cqlsh select * from CF where key = 'foo';
u'foo'
cqlsh select count(*) from CF where key =
Sure i'll try that, but I'm pretty sure it was creating a column family
without any column meta data (types), then, client.insert'ing a
ByteBuffer that wasn't based on bytes from a String.getBytes call.
On 08/22/2011 11:09 AM, Jonathan Ellis wrote:
Yes, you can blow away both the data and
It's erroring out trying to load the schema itself, though, which
isn't supposed to happen.
On Mon, Aug 22, 2011 at 10:14 PM, Dave Brosius dbros...@mebigfatguy.com wrote:
Sure i'll try that, but I'm pretty sure it was creating a column family
without any column meta data (types), then,
0.8.4 seems to fail to load in the same way. When i deleted the data
directory, it appears to start up correctly, I see
INFO 23:30:44,067 JNA not found. Native methods will be disabled.
INFO 23:30:44,100 Loading settings from
file:/home/dave/apache-cassandra-0.8.4/conf/cassandra.yaml
INFO
Could this ghost node be causing my hints column family to grow to this size?
I also crash after about 24 hours due to commit logs growth taking up all the
drive space. A manual nodetool flush keeps it under control though.
Column Family: HintsColumnFamily
thanks a lot!
On Mon, Aug 22, 2011 at 10:14 PM, Edward Capriolo edlinuxg...@gmail.comwrote:
On Mon, Aug 22, 2011 at 1:08 AM, Yan Chunlu springri...@gmail.com wrote:
connect to cassandra-cli and issue the list my cf I got
RowKey: comments_62559
= (column=76616c7565,
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