On Sun, Oct 21, 2012 at 6:44 PM, aaron morton aa...@thelastpickle.com wrote:
I *think* this may be ghost rows which have not being compacted.
You would be correct in the case of 1.0.8:
https://issues.apache.org/jira/browse/CASSANDRA-3955
-Brandon
On Thu, Nov 1, 2012 at 10:05 PM, Manu Zhang owenzhang1...@gmail.com wrote:
it will migrate you to virtual nodes by splitting the existing partition
256 ways.
Out of curiosity, is it for the purpose of avoiding streaming?
It splits into a contiguous range, because truly upgrading to vnode
On Thu, Nov 8, 2012 at 1:33 PM, Aaron Turner synfina...@gmail.com wrote:
There are also ways to bring up a test node and just run Level Compaction on
that. Wish I had a URL handy, but hopefully someone else can find it.
This rather handsome fellow wrote a blog about it:
On Wed, Jan 16, 2013 at 2:37 PM, cscetbon@orange.com wrote:
Here is the point. You're right this github repository has not been updated
for a year and a half. I thought brisk was just a bundle of some technologies
and that it was possible to install the same components and make them work
On Tue, Feb 12, 2013 at 6:13 PM, Edward Capriolo edlinuxg...@gmail.com wrote:
Are vnodes on by default. It seems that many on list are using this feature
with small clusters.
They are not.
-Brandon
On Thu, May 19, 2011 at 1:51 PM, Eranda Sooriyabandara
0704...@gmail.com wrote:
Hi devs,
I tried to start the Apache Cassandra and got an exception. This is what log
says,
INFO 00:18:12,226 Logging initialized
INFO 00:18:12,278 Heap size: 1029701632/1029701632
INFO 00:18:12,281 JNA not
There was a bug, it is fixed. It's just a cache, chill.
On May 20, 2011 11:50 AM, mcasandra mohitanch...@gmail.com wrote:
Whenever I hear someone say data is corrupted I panic :) I have seen few
people have reported that but have not seen the real reason for it. Is it
a
manual error, config
On Fri, Jul 1, 2011 at 3:16 AM, Sylvain Lebresne sylv...@datastax.com wrote:
To make it clear what the problem is, this is not a repair problem. This is
a gossip problem. Gossip is reporting that the remote node is a 0.7 node
and repair is just saying I cannot use that node because repair has
On Mon, Jul 11, 2011 at 11:51 PM, Casey Deccio ca...@deccio.net wrote:
java.lang.RuntimeException: Cannot recover SSTable with version f (current
version g).
You need to scrub before any streaming is performed.
-Brandon
Try another slash in file:/, ie file://
On Thu, Jul 14, 2011 at 10:55 AM, Derek Tracy trac...@gmail.com wrote:
I tried putting the cassandra.yaml in the classpath but got the same error.
Adding -Dcassandra.config=file:/path/to/cassandra.yaml did work.
-
Derek
'assume' is only valid in the cli, not cql.
On Thu, Jul 21, 2011 at 7:59 AM, Stephen Pope stephen.p...@quest.com wrote:
I’m trying to use cqlsh (on Windows) to get some values from my database
using secondary indexes. I’m not sure if it’s something I’m doing or not (I
can’t seem to find any
On Tue, Aug 2, 2011 at 10:22 PM, Bill Hastings bllhasti...@gmail.com wrote:
Oops. Sorry. Any information would be great.
The class does not exist in trunk and appears unused in the 0.8 branch.
--
Eric Evans
On Tue, Aug 9, 2011 at 6:43 PM, ian douglas i...@armorgames.com wrote:
Driftx on IRC:
follow up on the list saying that disabling mmap fixed it
Which is my code for I have no idea why this is happening, maybe
someone else does :)
-Brandon
You probably have other nodes that are NOT using the snitch yet, so
they haven't populated DC/RACK info yet. The exceptions will stop
when all snitches have been changed.
On Wed, Aug 10, 2011 at 7:55 PM, Viliam Holub viliam.ho...@ucd.ie wrote:
Hi,
I tried to switch to Ec2Snith. Although it
On Tue, Aug 23, 2011 at 2:26 AM, aaron morton aa...@thelastpickle.com wrote:
I'm running low on ideas for this one. Anyone else ?
If the phantom node is not listed in the ring, other nodes should not be
storing hints for it. You can see what nodes they are storing hints for via
JConsole.
I
On Thu, Aug 25, 2011 at 11:42 PM, King JKing beuk...@gmail.com wrote:
Dear Jonathan,
Cassandra process has 63.5 GB virtual size.
I mention about RES column in top. RES is 8.3G. Very large than 2.5G Used
Memory Used show in JConsole.
https://issues.apache.org/jira/browse/CASSANDRA-2868
On Wed, Sep 14, 2011 at 8:54 AM, Ryan Hadley r...@sgizmo.com wrote:
Hi,
So, here's the backstory:
We were running Cassandra 0.7.4 and at one point in time had a node in the
ring at 10.84.73.18. We removed this node from the ring successfully in
0.7.4. It stopped showing in the nodetool
On Wed, Sep 14, 2011 at 4:25 PM, Ryan Hadley r...@sgizmo.com wrote:
Hi Brandon,
Thanks for the reply. Quick question though:
1. We write all data to this ring with a TTL of 30 days
2. This node hasn't been in the ring for at least 90 days, more like 120 days
since it's been in the ring.
On Sat, Sep 24, 2011 at 4:54 PM, Yang tedd...@gmail.com wrote:
I'm using 1.0.0
there seems to be too many node Up/Dead events detected by the failure
detector.
I'm using a 2 node cluster on EC2, in the same region, same security
group, so I assume the message drop
rate should be
On Sun, Sep 25, 2011 at 12:52 PM, Yang tedd...@gmail.com wrote:
Thanks Brandon.
I suspected that, but I think that's precluded as a possibility since
I setup another background job to do
echo | nc other_box 7000
in a loop,
this job seems to be working fine all the time, so network seems
On Sun, Sep 25, 2011 at 1:10 PM, Yang tedd...@gmail.com wrote:
Thanks Brandon.
I'll try this.
but you can also see my later post regarding message drop :
On Mon, Oct 3, 2011 at 3:57 PM, Ramesh Natarajan rames...@gmail.com wrote:
Thanks Aaron. The ms in the latency is it microseconds or milliseconds?
I ran the 2 commands at the same time. I was expecting the values to be in
the some what similar but from my output earlier , you can see the
On Tue, Oct 4, 2011 at 2:00 PM, Sorin Julean sorin.jul...@gmail.com wrote:
Hi,
Did anyone used a dedicated interfaces and LAN / VLAN for gossip traffic ?
Any benefits in such approach ?
I don't think there is any substantial benefit to doing this, but also
it's impossible: gossip is not
On Thu, Oct 6, 2011 at 3:56 PM, aaron morton aa...@thelastpickle.com wrote:
-If you perform a query for a specific row key and a column name, does
it read the most recent SSTable first and if it finds a hit, does it
stop there or does it need to read through all the SStables (to find
most
On Mon, Oct 10, 2011 at 11:51 AM, hani elabed hani.ela...@gmail.com wrote:
Hi Aaron,
I can help with the documentation... I grabbed tons of screenshots as I was
installing Cassandra source trunk(1.0.0.rc2?) on my Mac OS X Snow leopard on
Eclipse Galileo and later Eclipse Indigo, I will be
On Mon, Oct 10, 2011 at 11:47 AM, Scott Fines scott.fi...@nisc.coop wrote:
Hi all,
This may be a silly question, but I'm at a bit of a loss, and was hoping for
some help.
I have a Cassandra cluster set up with two NICs--one for internel
communication between cassandra machines (10.1.1.*), and
On Tue, Oct 11, 2011 at 2:36 AM, Peter Schuller
peter.schul...@infidyne.com wrote:
Google/check wiki/read docs about NetworkTopologyStrategy and
PropertyFileSnitch. I don't have a good link to multi-dc off hand
(anyone got a good link to suggest that goes through this?).
On Tue, Oct 11, 2011 at 12:19 PM, Yang tedd...@gmail.com wrote:
I find the info about bloomfilter very helpful, could we add that to NodeCmd ?
Feel free to create a ticket and tag it 'lhf'
-Brandon
You're running into https://issues.apache.org/jira/browse/CASSANDRA-3259
Try upgrading and doing a rolling restart.
-Brandon
On Thu, Oct 13, 2011 at 9:11 AM, Eric Czech e...@nextbigsound.com wrote:
Nope, there was definitely no intersection of the seed nodes between the two
clusters so I'm
From: Brandon Williams [dri...@gmail.com]
Sent: Monday, October 10, 2011 12:28 PM
To: user@cassandra.apache.org
Subject: Re: MapReduce with two ethernet cards
On Mon, Oct 10, 2011 at 11:47 AM, Scott Fines scott.fi...@nisc.coop wrote:
Hi all,
This may be a silly
On Fri, Oct 14, 2011 at 2:36 PM, Eric Czech e...@nextbigsound.com wrote:
Thanks again. I have truncated certain cf's recently and the cli didn't
complain and listings of the cf rows return nothing after truncation. Is
that data not actually deleted?
Hmm, well, now I'm confused because if
On Thu, Oct 27, 2011 at 3:25 PM, RobinUs2 ro...@us2.nl wrote:
It seems that org.apache.cassandra.auth.SimpleAuthenticator is missing in the
cassandra 1.0 binaries. Is this on purpose or did I found a bug?
From NEWS.txt:
- The SimpleAuthenticator and SimpleAuthority classes have been moved
On Tue, Nov 1, 2011 at 11:17 AM, Tamas Marki tma...@gmail.com wrote:
Hello,
I'm new to the list and also to Cassandra. I found it when I was searching
for something to replace our busy mysql server.
One of the things we use the server for is filtering IPs based on a list of
IP ranges. These
On Thu, Nov 3, 2011 at 2:05 PM, Ertio Lew ertio...@gmail.com wrote:
Retrieving columns by names vs by range which is more performant , when you
have the options to do both ?
Assuming the columns have never been overwritten, range has a small advantage.
However, in the face of frequently
On Fri, Nov 4, 2011 at 7:49 AM, Gary Shi gary...@gmail.com wrote:
I want to save time series event logs into Cassandra, and I need to load
them by key range (row key is time-based). But we can't use
RandomPartitioner in this way, while OrderPreservingPartitioner leads to hot
spot problem.
You
On Fri, Nov 4, 2011 at 9:19 PM, Jim Newsham jnews...@referentia.com wrote:
- Bulk column deletion by (column name) range. Without this feature, we are
forced to perform a range query and iterate over all of the columns,
deleting them one by one (we do this in a batch, but it's still a very
On Fri, Nov 4, 2011 at 9:50 PM, Jim Newsham jnews...@referentia.com wrote:
Our use case is time-series data (such as sampled sensor data). Each row
describes a particular statistic over time, the column name is a time, and
the column value is the sample. So it makes perfect sense to want to
On Mon, Nov 7, 2011 at 7:36 PM, Arsene Lee
arsene@ruckuswireless.com wrote:
Hi,
Thanks for the replay. I'm not talking about the column name. I'm talking
about the column metadata's column name. Right now cli can't not display the
column's meta name correctly if the comparator type is
On Wed, Nov 9, 2011 at 1:28 AM, Patrik Modesto patrik.mode...@gmail.com wrote:
Hi,
on our production cluster of 8 nodes which is running cassandra 0.8.7
we still see in the MBean
org.apache.cassandra.db:type=StorageService.LoadMap in JMX
Management console the 9th node we added for testing
On Sun, Nov 13, 2011 at 4:35 AM, Michael Vaknine micha...@citypath.com wrote:
I am trying to upgrade to 1.0.2 and when I try to start the first upgraded
server I get the following error
ERROR [WRITE-/10.5.6.102] 2011-11-13 10:20:37,447
AbstractCassandraDaemon.java (line 133) Fatal exception
not understand why version 1.0.0 was not affected since I used the same
configuration yaml file.
Thank you.
Michael Vaknine
-Original Message-
From: Brandon Williams [mailto:dri...@gmail.com]
Sent: Sunday, November 13, 2011 4:48 PM
To: user@cassandra.apache.org
Cc: cassandra-u
On Sun, Nov 13, 2011 at 5:57 PM, Maxim Potekhin potek...@bnl.gov wrote:
I've done more experimentation and the behavior persists: I start with a
normal dataset which is searcheable by a secondary index. I select by that
index the entries that match a certain criterion, then delete those. I
On Sun, Nov 13, 2011 at 6:55 PM, Maxim Potekhin potek...@bnl.gov wrote:
Thanks to all for valuable insight!
Two comments:
a) this is not actually time series data, but yes, each item has
a timestamp and thus chronological attribution.
b) so, what do you practically recommend? I need to
On Sun, Nov 13, 2011 at 7:25 PM, Maxim Potekhin potek...@bnl.gov wrote:
Each row represents a computational task (a job) executed on the grid or in
the cloud. It naturally has a timestamp as one of its attributes,
representing the time of the last update. This timestamp
is used to group the
On Mon, Nov 14, 2011 at 1:21 AM, Michael Vaknine micha...@citypath.com wrote:
Hi,
After configuring the encryption on Cassandra.yaml I get this error when
upgrading from 1.0.0 to 1.0.2
Attached the log file with the errors.
https://issues.apache.org/jira/browse/CASSANDRA-3466
-Brandon
On Mon, Nov 14, 2011 at 7:53 AM, Michael Vaknine micha...@citypath.com wrote:
Does this means that I have to wait to 1.0.3?
In the meantime you can just delete the hints and rely on read repair
or antientropy repair if you're concerned about the consistency of
your replicas.
-Brandon
On Mon, Nov 14, 2011 at 8:06 AM, Michael Vaknine micha...@citypath.com wrote:
Well,
I tried to delete the hints on the failed cluster but I could not start it
I got other errors such as
ERROR [MutationStage:34] 2011-11-14 15:37:43,813
AbstractCassandraDaemon.java (line 133) Fatal exception
On Mon, Nov 14, 2011 at 2:49 PM, Giannis Neokleous
gian...@generalsentiment.com wrote:
Hello everyone,
We're using the bulk loader to load data every day to Cassandra. The
machines that use the bulkloader are diferent every day so their IP
addresses change. When I do describe cluster i see
On Fri, Nov 18, 2011 at 4:23 PM, Anthony Ikeda
anthony.ikeda@gmail.com wrote:
This is the setup:
Cassandra 0.8.6
3 nodes
Keyspace: NetworkTopologyStrategy, 1DC, RF=2
1 node goes down and we cannot read from the ring.
My expectation is that LOCAL_QUORUM dictates that it will return a
On Wed, Nov 30, 2011 at 1:29 PM, Michael Vaknine micha...@citypath.com wrote:
The files are not on the site
The requested URL /apache//cassandra/1.0.5/apache-cassandra-1.0.5-bin.tar.gz
was not found on this server.
It takes the mirrors some time to sync.
-Brandon
On Thu, Dec 1, 2011 at 12:26 PM, huyle hu...@springpartners.com wrote:
Hi,
We have 2 nodes have been decommissioned from the cluster running 1.0.3.
However, the live nodes still making references to the decommissioned nodes
3 days after the nodes were decommissioned. Nodetool does not show
On Thu, Dec 1, 2011 at 1:10 PM, huyle hu...@springpartners.com wrote:
The clocks are very sync'ed between the nodes as they have ntp running
hitting our time servers.
Maybe they weren't 3 days after the token left, which
https://issues.apache.org/jira/browse/CASSANDRA-2961 requires.
If a node
On Fri, Dec 9, 2011 at 1:57 PM, Edward Capriolo edlinuxg...@gmail.com wrote:
Are you taking snapshots? If the file is referenced in a snapshot it will
not delete until it is also not part of any snapshot.
That isn't true. The file will be removed from the data dir, but
still exist in the
http://cassandra.apache.org/download/
On Fri, Dec 9, 2011 at 3:37 PM, Maxim Potekhin potek...@bnl.gov wrote:
Hello everyone,
so what's the update on 0.8.8?
Many thanks
Maxim
On 12/2/2011 4:49 AM, Patrik Modesto wrote:
Hi,
It's been almost 2 months since the release of the 0.8.7
On Sun, Dec 11, 2011 at 3:23 AM, Caleb Rackliffe ca...@steelhouse.comwrote:
Hi All,
I'm trying to start up Cassandra 1.0.5 on a Cent OS 6 machine. I
installed JNA through yum and made a symbolic link to jna.jar in my
Cassandra lib directory. When I run bin/cassandra -f, I get the
http://wiki.apache.org/cassandra/FAQ#range_ghosts
On Wed, Dec 14, 2011 at 4:36 AM, Radim Kolar h...@sendmail.cz wrote:
Dne 14.12.2011 1:15, Maxim Potekhin napsal(a):
Thanks. It could be hidden from a human operator, I suppose :)
I agree. Open JIRA for it.
https://issues.apache.org/jira/browse/CASSANDRA-3497
On Wed, Dec 14, 2011 at 4:52 AM, Radim Kolar h...@sendmail.cz wrote:
Dne 11.11.2011 7:55, Radim Kolar napsal(a):
i have problem with large CF (about 200 billions entries per node). While
i can configure index_interval to lower memory
On Fri, Dec 16, 2011 at 8:52 PM, Kent Tong freemant2...@yahoo.com wrote:
Hi,
From the source code I can see that for each key, the hash (token), the key
itself (ByteBuffer) and the position (long. offset in the sstable) are stored
into the key cache. The hash is an MD5 hash, so it is 16
On Fri, Dec 16, 2011 at 9:31 PM, Dave Brosius dbros...@mebigfatguy.com wrote:
Wow, Java is a lot better than I thought if it can perform that kind of
magic. I'm guessing the wiki information is just old and out of date. It's
probably more like 60 + sizeof(key)
With jamm and MAT it's fairly
On Tue, Dec 20, 2011 at 2:24 PM, aaron morton aa...@thelastpickle.com wrote:
Sorry, got that a little wrong.
At startup the node will use the higher of the current seconds since epoch
or the stored generation number.
Technically stored generation + 1 so it's always increased on a restart.
On Sat, Jan 7, 2012 at 5:42 PM, Rustam Aliyev rus...@code.az wrote:
My suggestion is simple: don't use any deprecated stuff out there. In
practically any case there is a good reason why it's deprecated.
SuperColumns are not deprecated.
The supercolumn API will remain:
On Mon, Jan 9, 2012 at 1:18 AM, Erik Forsberg forsb...@opera.com wrote:
Hi!
Can the new BulkOutputFormat
(https://issues.apache.org/jira/browse/CASSANDRA-3045) be used to load data
to servers running cassandra 0.8.7 and/or Cassandra 1.0.6?
I'm thinking of using jar files from the
On Mon, Jan 9, 2012 at 9:14 AM, Brian O'Neill b...@alumni.brown.edu wrote:
What is the fastest way to copy a column family?
We were headed down the map/reduce path, but that seems silly.
Any file level mechanisms for this?
Copy all the sstables 1:1 renaming them to the new CF name. Then
On Mon, Jan 9, 2012 at 11:34 AM, Philippe watche...@gmail.com wrote:
Would this apply to copying data from one cluster to another, assuming I do
a rolling drain and shutdown ?
Thanks
Only if the tokens also match 1:1 and you copy to the same tokens. If
they don't match, the easiest thing to
On Sun, Jan 29, 2012 at 11:52 PM, Ertio Lew ertio...@gmail.com wrote:
On Mon, Jan 30, 2012 at 7:16 AM, Frisch, Michael michael.fri...@nuance.com
wrote:
OpsCenter?
http://www.datastax.com/products/opscenter
Thanks, that's a great product but unfortunately doesn't work with windows.
Now
On Tue, Feb 7, 2012 at 2:17 AM, Patrik Modesto patrik.mode...@gmail.com wrote:
Hi,
I've a strange problem with my test cluster. Calling truncate on a
small ColumnFamily on idle cluster of 4 nodes returns
UnavailableException after 10s. That 10s is set in rpc_timeout_in_ms.
Make sure you have
Before 1.0.8, use https://issues.apache.org/jira/browse/CASSANDRA-3337
to remove it.
On Tue, Feb 14, 2012 at 3:44 PM, Franc Carter franc.car...@sirca.org.au wrote:
I teminated (ec2 destruction) a node that I was wedged during bootstrap.
However when I try to removetoken I get 'Token not
http://wiki.apache.org/cassandra/FAQ#ubuntu_hangs
On Fri, Feb 17, 2012 at 7:00 AM, Pierre-Yves Ritschard p...@spootnik.org
wrote:
Hi,
I've experienced several node lock-ups on EC2 instances. I'm running
with the following set-up:
heap-new: 800M
max-heap: 8G
instance type: m2.xlarge
It's a special case of a single sstable existing for hints:
https://issues.apache.org/jira/browse/CASSANDRA-3955
On Fri, Feb 24, 2012 at 5:43 AM, Manoj Mainali mainalima...@gmail.com wrote:
Hi,
I have been running Cassandra 1.0.7 and in the log file I see the log saying
Finished hinted
On Fri, Feb 24, 2012 at 10:46 AM, David Leimbach leim...@gmail.com wrote:
On Thu, Feb 23, 2012 at 7:54 PM, Martin Arrowsmith
arrowsmith.mar...@gmail.com wrote:
Hi Franc,
Or, you can consider using composite columns. It is not recommended to use
Super Columns anymore.
Yes, but why? Is
My guess would be you're using the same token everywhere.
-Brandon
On Sat, Feb 25, 2012 at 9:48 AM, Aditya Gupta ady...@gmail.com wrote:
While creating a multinode cluster, my nodes are unable to identify all the
nodes in the cluster.
Only the *last added' node is visible when I do:
, I just re-verified :)
I have split up the range into 4 parts for 4 nodes. I have specified that in
the intial_token
On Sun, Feb 26, 2012 at 12:33 AM, Brandon Williams dri...@gmail.com wrote:
My guess would be you're using the same token everywhere.
-Brandon
On Sat, Feb 25, 2012 at 9:48
On Sat, Feb 25, 2012 at 3:39 PM, Aditya Gupta ady...@gmail.com wrote:
The output of nodetool ring after each addition of nodes, make just the last
added node visible in the ring.
When I retry to add the node(which are not visible) it says that it is
already a part of the ring.
Could you
https://issues.apache.org/jira/browse/CASSANDRA-3955
On Fri, Mar 2, 2012 at 1:53 AM, Radim Kolar h...@sendmail.cz wrote:
Can be something made to remove these empty delivery attempts from log?
Its just tombstoned row.
[default@system] list HintsColumnFamily;
Using default limit of 100
On Wed, Mar 7, 2012 at 3:37 AM, aaron morton aa...@thelastpickle.com wrote:
2) Stop the node. Try to get remove the token again from another node. Node
that removing a token will stream data around the place as well.
A node that has never fully joined doesn't need to be removed (and
can't.)
On Mon, Mar 12, 2012 at 4:44 AM, aaron morton aa...@thelastpickle.com wrote:
I don't understand why I
don't get multiple concurrent compactions running, that's what would
make the biggest performance difference.
concurrent_compactors
Controls how many concurrent compactions to run, by
Just ignore it: https://issues.apache.org/jira/browse/CASSANDRA-3955
On Mon, Mar 12, 2012 at 9:31 PM, Roshan codeva...@gmail.com wrote:
Hi
I have upgrade our development Cassandra cluster (2 nodes) from 1.0.6 to
1.0.8 version.
After upgrade to 1.0.8 version, one node keep trying to send
On Wed, May 2, 2012 at 2:23 PM, Shawna Qian shaw...@yahoo-inc.com wrote:
Hello:
I am trying to use bulkoutputformat and seeing some nice docs on how to use
it to stream the data to an existing cassandra cluster using configHelper
class. I am wondering if it is possible to use it just to
On Mon, May 14, 2012 at 1:11 PM, Ertio Lew ertio...@gmail.com wrote:
I need to add a custom comparator to a cluster, to sort columns in a certain
customized fashion. How do I add the class to the cluster ?
I highly recommend against doing this, because you'll be locked in to
your comparator
On Tue, May 15, 2012 at 12:53 AM, Ertio Lew ertio...@gmail.com wrote:
@Brandon : I just created a jira issue to request this type of comparator
along with Cassandra.
It is about a UTF8 comparator that provides case insensitive ordering of
columns.
See issue here :
Probably https://issues.apache.org/jira/browse/CASSANDRA-4230
On Tue, May 15, 2012 at 4:08 PM, Bryan Fernandez bfernande...@gmail.com wrote:
Greetings,
We recently upgraded from 1.0.8 to 1.1.0. Everything has been running fine
with the exception of snapshots. When attempting to snapshot any
On Wed, May 23, 2012 at 5:51 AM, Viktor Jevdokimov
viktor.jevdoki...@adform.com wrote:
When RF == number of nodes, and you read at CL ONE you will always be
reading locally.
“always be reading locally” – only if Dynamic Snitch is “off”. With
dynamic snitch “on” request may be
On Thu, May 24, 2012 at 12:41 PM, Henrik Schröder skro...@gmail.com wrote:
We're running version 1.0.8. Is this fixed in a later release? Will this be
fixed in a later release?
No, mixed-OS clusters are unsupported.
Are there any other ways of doing the migration? What happens if we join the
On Thu, May 24, 2012 at 1:50 PM, Henrik Schröder skro...@gmail.com wrote:
Ok. It's important for us to not have any downtime, so how about this
solution:
We startup the Linux cluster independently.
We configure our application to send all Cassandra writes to both clusters,
but only read from
On Thu, May 24, 2012 at 3:36 PM, Henrik Schröder skro...@gmail.com wrote:
That sounds fine, with the caveat that you can't run sstableloader
from a machine running Cassandra before 1.1, so copying the sstables
manually (assuming both clusters are the same size and have the same
tokens) might
Nodes don't move themselves, you likely have some kind of 'bouncing
gossip' issue where a node was removed/replaced and is hanging around,
but only periodically held in statee between nodes. Unfortunately
node removal is very prone to this before 0.8.3 and even after that,
you can't fix it
Perhaps the deletes: https://issues.apache.org/jira/browse/CASSANDRA-3741
-Brandon
On Sun, Jun 3, 2012 at 6:12 PM, Poziombka, Wade L
wade.l.poziom...@intel.com wrote:
Running a very write intensive (new column, delete old column etc.) process
and failing on memory. Log file attached.
This sounds related to https://issues.apache.org/jira/browse/CASSANDRA-4251
On Thu, Jun 7, 2012 at 5:28 PM, Bryce Godfrey bryce.godf...@azaleos.com wrote:
As the new node starts up I get this error before boostrap starts:
INFO 08:20:51,584 Enqueuing flush of
On Mon, Jul 2, 2012 at 10:35 AM, Brian Jeltema
brian.jelt...@digitalenvoy.net wrote:
I can't tell whether the bulk load process recovered from the transient dead
node, or whether I need to start over.
Does anybody know?
You need to start over if the failure detector tripped, but it will
On Mon, Jul 23, 2012 at 6:26 PM, Eran Chinthaka Withana
eran.chinth...@gmail.com wrote:
Method 1: I copied the data from all the nodes in that data center, into the
repaired node, and brought it back up. But because of the rate of updates
happening, the read misses started going up.
That's not
On Mon, Jul 23, 2012 at 10:24 PM, Eran Chinthaka Withana
eran.chinth...@gmail.com wrote:
Thanks Brandon for the answer (and I didn't know driftx = Brandon Williams.
Thanks for your awesome support in Cassandra IRC)
Thanks :)
Increasing CL is tricky for us for now, as our RF on that datacenter
On Wed, Jul 25, 2012 at 6:16 PM, Eran Chinthaka Withana
eran.chinth...@gmail.com wrote:
Alright, lets assume I want to go on this route. I have RF=2 in the data
center and I believe I need at least RF=3 to set the replication to
LOCAL_QUORUM and hide the node failures. But if I increase the RF
On Mon, Oct 11, 2010 at 9:13 AM, Ran Tavory ran...@gmail.com wrote:
In my production cluster I've been seeing the following pattern.
When a node goes up it operates smoothly for a few days but then, after a
few days the node start to show excessive CPU usage, I see GC activity (and
it may
On Tue, Oct 12, 2010 at 2:36 PM, Jonathan Ellis jbel...@gmail.com wrote:
3 days
FWIW, I'm pretty sure the vote will pass, so you can install what's there
now and be reasonably certain it is 0.6.6.
-Brandon
On Thu, Oct 14, 2010 at 2:41 PM, Brayton Thompson thomp...@grnoc.iu.eduwrote:
Was there a change to the API in 0.7?
Yes, many.
example...
from the api wikki
Use http://wiki.apache.org/cassandra/API07 for 0.7.
This is not a huge issue, I can look at the module to determine the new
On Sat, Oct 16, 2010 at 3:55 PM, Eric Lee e...@c11software.com wrote:
I have this working now with the following:
rows = LOAD 'cassandra://TwitterExample/User' using CassandraStorage();
*cols = FOREACH rows GENERATE
FLATTEN((bag{tuple(chararray,chararray)})$1);*
users = FOREACH cols
On Mon, Oct 18, 2010 at 3:21 PM, Aaron Morton aa...@thelastpickle.comwrote:
Also have a read of this slide deck from Ben Black, caches are talked about
from slide 35 on
http://www.slideshare.net/driftx/cassandra-summit-2010-performance-tuning
There is also a video linked here
On Tue, Oct 26, 2010 at 2:17 PM, Peter Schuller peter.schul...@infidyne.com
wrote:
ii) If case of timestamp ties, value breaks ties.
If this is indeed intended to be a guarantee and not an artifact of
the current implementation (anyone want to comment - jbellis?).
On Mon, Nov 1, 2010 at 8:28 PM, Joe Alex joe.m.a...@gmail.com wrote:
My expectation was even though Node 2 was down key written to Node 3
or 4 should be updated in Node 2 using Hint and the subsequent reads
to Node 1 or Node 2 itself should have got the latest value
Your expectation is
On Tue, Nov 2, 2010 at 1:57 PM, hoivan i...@evidentsoftware.com wrote:
Just as an FYI, Evident ClearStone supports monitoring of Cassandra
clusters
in enterprise and EC2 deployments.
Sending just one of these emails will suffice in future.
-Brandon
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