Hi All,
We're having a problem with our cassandra cluster and are at a loss as to the
cause.
We have what appear to be columns that disappear for a little while, then
reappear. The rest of the row is returned normally during this time. This is,
of course, very disturbing, and is wreaking
This is the gdb output
[Thread debugging using libthread_db enabled]
terminate called after throwing an instance of
'org::apache::cassandra::InvalidRequestException'
what(): Default TException.
Program received signal SIGABRT, Aborted.
0x770a0b25 in raise () from /lib/libc.so.6
On
no Jordan, the cassandra version I have is Cassandra 1.1.12
On Wed, Jul 3, 2013 at 5:21 PM, Shubham Mittal smsmitta...@gmail.comwrote:
This is the gdb output
[Thread debugging using libthread_db enabled]
terminate called after throwing an instance of
I wonder if one particular node is having trouble; when you notice the
missing column, what happens if you execute the read manually from cqlsh or
cassandra-cli independently directly on each node?
On Wed, Jul 3, 2013 at 2:00 AM, Blake Eggleston bl...@grapheffect.comwrote:
Hi All,
We're
Hey,
I found out that the problem is caused by this line :
c-createKeyspace(ks_def);
because the below code works fine.
#include string.h
#include sstream
#include iostream
#include stdlib.h
#include set
#include string
#include stdio.h
#include vector
#include libcassandra/cassandra_factory.h
That repo for libcassandra works for cassandra 0.7.x due to changes in the
thrift interface we have faced some problems in the past.
May be you can take a look to my fork of libcassandra https://github.com/axs
-mvd/libcassandra that we are using with cassandra 1.1.11.
Besides that, I recommend
Hi,
When we connect to Opscenter using an account, we do not see any disconnect
button to connect under another account.
Thanks
--
Cyril SCETBON
_
Ce message et ses pieces
We loaded 5 million columns into a single row and when accessing the first 30k
and last 30k columns we saw no performance difference. We tried just loading 2
rows from the beginning and end and saw no performance difference. I am sure
reverse sort is there for a reason though. In what
On Wed, Jul 3, 2013 at 2:06 AM, Silas Smith silas.sm...@gmail.com wrote:
Franc,
We manage our schema through the Astyanax driver. It runs in a listener at
application startup. We read a self-defined schema version, update the
schema if needed based on the version number, and then write the
hi Alexis,
Even if I create keyspaces, column families using cassandra-cli, the column
creation and insertion work will still need thrift calls.
On Wed, Jul 3, 2013 at 6:05 PM, Alexis Rodríguez arodrig...@inconcertcc.com
wrote:
That repo for libcassandra works for cassandra 0.7.x due to
Shubham,
You are right, my point is that with non schema-update thrift calls you can
tune the consistency level used.
bye.
On Wed, Jul 3, 2013 at 10:10 AM, Shubham Mittal smsmitta...@gmail.comwrote:
hi Alexis,
Even if I create keyspaces, column families using cassandra-cli, the
column
Hi all,
I have a Cassandra Cluster running and we recently duplicated the cluster.
After following all the steps, the cassandra clients started failing with the
following message:
AuthenticationException(why='Username and/or password are incorrect')
The problem is that even I can't login to
Hi together,
I found that one of my cassandra nodes died recently (machine hangs). I
restarted the node an run a nodetool repair, while running it has thrown
a org.apache.cassandra.io.compress.CorruptBlockException. Is there any
way to recover from this? Or would it be best to delete the
OpsCenter uses http auth so the credentials will be saved by your browser.
There are a couple things you could do.
* Clear the local data/cache on your browser
* Open your browser in private browsing/incognito mode
* Manually enter credentials into the url: http://
user:pw@opscenter_ip:/
We are using Cassandra 1.2 Embedded in a production environment.
We are some issues with these lines:
SocketAddress remoteSocket.get = socket ();
assert socket! = null;
ThriftClientState cState = activeSocketSessions.get (socket);
The connection is maintained by remoteSocket thread.
thanks Nick, I'll give it a try
Regards
--
Cyril SCETBON
On Jul 3, 2013, at 5:16 PM, Nick Bailey
n...@datastax.commailto:n...@datastax.com wrote:
OpsCenter uses http auth so the credentials will be saved by your browser.
There are a couple things you could do.
* Clear the local data/cache on
In one of our load tests, we're incrementing a single counter column as
well as appending columns to a single row (essentially a timeline). You can
think of it as counting the instances of an event and then keeping a
timeline of those events. The ratio is of increments to appends is 1:1.
When we
On Wed, Jul 3, 2013 at 9:59 AM, Andrew Bialecki
andrew.biale...@gmail.comwrote:
2. I'm assuming in our case the cause is incrementing counters because
disk reads are part of the write path for counters and are not for
appending columns to a row. Does that logic make sense?
That's a pretty
On Wed, Jul 3, 2013 at 7:04 AM, ifjke j.kes...@enercast.de wrote:
I found that one of my cassandra nodes died recently (machine hangs). I
restarted the node an run a nodetool repair, while running it has thrown a
org.apache.cassandra.io.**compress.**CorruptBlockException. Is there any
way to
For what its worth. I did this when I had this problem. It didn't work
out for me. Perhaps I did something wrong.
On Wed, Jul 3, 2013 at 11:06 AM, Robert Coli rc...@eventbrite.com wrote:
On Wed, Jul 3, 2013 at 7:04 AM, ifjke j.kes...@enercast.de wrote:
I found that one of my cassandra
On Wed, Jul 3, 2013 at 6:02 AM, Hiller, Dean dean.hil...@nrel.gov wrote:
We loaded 5 million columns into a single row and when accessing the
first 30k and last 30k columns we saw no performance difference. We tried
just loading 2 rows from the beginning and end and saw no performance
I've been running cassandra a while, and have used the PHP api and
cassandra-cli, but never gave cqlsh a shot.
I'm not quite getting it. My most simple CF is a dumping ground for
testing things created as:
create column family stats;
I was putting random stats I was computing in it. All keys,
We're using ByteOrderedPartition to programmatically choose the machine
which a objet will be inserted.*
*How can I use *ByteOrderedPartition *with vnode on Cassandra 1.2?
*
*
--
Atenciosamente,
Sávio S. Teles de Oliveira
voice: +55 62 9136 6996
http://br.linkedin.com/in/savioteles
Mestrando
On 3 July 2013 21:04, Sávio Teles savio.te...@lupa.inf.ufg.br wrote:
We're using ByteOrderedPartition to programmatically choose the machine
which a objet will be inserted.*
*How can I use *ByteOrderedPartition *with vnode on Cassandra 1.2?
Don't. Managing tokens with ByteOrderedPartitioner
We were able to implement ByteOrderedPartition on Cassandra 1.1 and insert
an object in a specific machine.
However, with Cassandra 1.2 and VNodes we can't implement VNode with
ByteOrderedPartitioner
to insert an object in a specific machine.
2013/7/3 Richard Low rich...@wentnet.com
On 3 July
On 3 July 2013 22:18, Sávio Teles savio.te...@lupa.inf.ufg.br wrote:
We were able to implement ByteOrderedPartition on Cassandra 1.1 and
insert an object in a specific machine.
However, with Cassandra 1.2 and VNodes we can't implement VNode with
ByteOrderedPartitioner
to insert an object
Can someone remind me why replicate on write tasks might be related to the
high disk I/O? My understanding is the replicate on write involves sending
the update to other nodes, so it shouldn't involve any disk activity --
disk activity would be during the mutation/write phase.
The write path (not
We are on 1.2.5 with a 4 node cluster (RF 3) and have a cql3 wide row
table. each row has about 2000 columns. While running some test data
through it, it started throwing rpc_timeout errors when returning a couple
specific rows (with Consistency ONE).
After hunting through sstable2json results
To force clean out a tombstone.
1. Stop doing deletes on the CF, or switch to performing all deletes at ALL
2. Run a full repair of the cluster for that CF.
3. Change GC grace to be small, like 5 seconds or something for that CF
Either:
4. Find all sstables which have that row key in them using
Thanks Jeremiah, those are great suggestions.
Unfortunately, I have done a full repair and compaction on that CF, but the
ranged tombstones remain.
-Jeff
On Wed, Jul 3, 2013 at 7:54 PM, Jeremiah D Jordan jeremiah.jor...@gmail.com
wrote:
To force clean out a tombstone.
1. Stop doing
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