Random partitioner distributes keys approximately evenly across the
entire range of the ring (0-2**127-1). This means that generally a
given section of the range will contain about the same number of keys.
If you assign tokens equal-size ranges, they will have similar
numbers of keys. This is wh
Full list of client options and defaults:
https://github.com/fauna/thrift_client/blob/master/lib/thrift_client/abstract_thrift_client.rb#L28-43
On Wed, Nov 17, 2010 at 10:13 AM, Benjamin Black wrote:
> Cassandra.new(keyspace, server, {:protocol =>
> Thrift::BinaryProtocolAccelerated})
&
Cassandra.new(keyspace, server, {:protocol =>
Thrift::BinaryProtocolAccelerated})
On Tue, Nov 16, 2010 at 5:13 PM, Ryan King wrote:
> On Tue, Nov 16, 2010 at 10:25 AM, Jonathan Ellis wrote:
>> On Tue, Sep 28, 2010 at 6:35 PM, Ryan King wrote:
>>> One thing you should try is to make thrift use
>
On Thu, Sep 30, 2010 at 5:25 PM, Peter Harrison wrote:
> If you delete a row, and it therefore is marked as tombstone, and
> subsequently you try to insert the row again it appears to succeed,
> but if you try to request the row you don't get a result.
>
> If you try to insert a row that has been
On Mon, Sep 27, 2010 at 3:48 PM, Alaa Zubaidi wrote:
> RF=2
With RF=2, QUORUM and ALL are the same. Again, your logs show you are
attempting to insert about 180,000 columns/sec. The only way that is
possible with your hardware is if you are using CL.ZERO. The
available information does not ad
Does that mean you are doing 600 rows/sec per process or 600/sec total
across all processes?
On Mon, Sep 27, 2010 at 3:14 PM, Alaa Zubaidi wrote:
> Its actually split to 8 different processes that are doing the insertion.
>
> Thanks
>
> On 9/27/2010 2:03 PM, Peter Schuller wrote:
>>
>> [note: i
What is your RF?
On Mon, Sep 27, 2010 at 3:13 PM, Alaa Zubaidi wrote:
> Sorry 3 means QUORUM.
>
>
> On 9/27/2010 2:55 PM, Benjamin Black wrote:
>>
>> On Mon, Sep 27, 2010 at 2:51 PM, Benjamin Black wrote:
>>>
>>> On Mon, Sep 27, 2010 at 12:59 PM, Ala
Your ring is wildly unbalanced and you are almost certainly out of I/O
on one or more nodes. You should be monitoring via JMX and common
systems tools to know when you are starting to have issues. It is
going to take you some effort to get out of this situation now.
b
On Mon, Sep 27, 2010 at 2
On Mon, Sep 27, 2010 at 2:51 PM, Benjamin Black wrote:
> On Mon, Sep 27, 2010 at 12:59 PM, Alaa Zubaidi wrote:
>> Thanks for the help.
>> we have 2 drives using basic configurations, commitlog on one drive and data
>> on another.
>> and Yes the CL for writes is 3, how
On Mon, Sep 27, 2010 at 12:59 PM, Alaa Zubaidi wrote:
> Thanks for the help.
> we have 2 drives using basic configurations, commitlog on one drive and data
> on another.
> and Yes the CL for writes is 3, however, the CL for reads is 1.
>
It is simply not possible that you are inserting at CL.ALL
http://wiki.apache.org/cassandra/FAQ#iter_world
On Sun, Sep 26, 2010 at 11:51 PM, sekhar kosuru wrote:
> Hi
> I am new to Cassandra Database.
> I want to know how to Retrieve all the records from a column family, is this
> is different in the clustered servers vs single servers.
> Please suggest
On Sun, Sep 26, 2010 at 4:01 PM, Lucas Nodine wrote:
> Ok, so based on everyone's input it seems that I need to put some sort of
> server in front of Cassandra to handle locking and exclusive access.
>
> I am planning on building a system (DMS) that will store resources
> (document, images, media,
On Sun, Sep 26, 2010 at 11:04 AM, Lucas Nodine wrote:
> I'm looking at a design where multiple clients will connect to Cassandra and
> get/mutate resources, possibly concurrently. After planning a bit, I ran
> into the following scenero for which I have not been able to research to
> find an answ
t(file='C:\Cassandra\Cass07\commitlog\CommitLog-1285358848765.log',
position=44950820)
b
On Sat, Sep 25, 2010 at 7:53 PM, Benjamin Black wrote:
> The log posted shows _10_ pending in MPF stage, and the errors show
> repeated failures trying to flush memtables at all:
>
> IN
The log posted shows _10_ pending in MPF stage, and the errors show
repeated failures trying to flush memtables at all:
INFO [GC inspection] 2010-09-24 13:16:11,281 GCInspector.java (line
156) MEMTABLE-POST-FLUSHER 110
You are also flushing _really_ small memtables to disk (l
7?
>
>
>
> On Tue, Sep 21, 2010 at 10:03 PM, Benjamin Black wrote:
>>
>> DCShard is in 0.6. It has been rewritten in 0.7.
>>
>> On Tue, Sep 21, 2010 at 10:02 PM, rbukshin rbukshin
>> wrote:
>> > Is there any plan to backport DataCenterShardStrate
On Mon, Sep 20, 2010 at 7:25 PM, Kuan(謝冠生) wrote:
> By using cassandra-cli tool, we don't have to input timestamp while
> insertion. Does it mean that Cassandra have time synchronization build-in
> already?
No, it means the cassandra-cli program is inserting a timestamp, which
it then provides
DCShard is in 0.6. It has been rewritten in 0.7.
On Tue, Sep 21, 2010 at 10:02 PM, rbukshin rbukshin wrote:
> Is there any plan to backport DataCenterShardStrategy to 0.6.x from 0.7? It
> will be very useful for those who don't want to make drastic changes in
> their code and get the benefits of
It appears you are doing several things that assure terrible
performance, so I am not surprised you are getting it.
On Tue, Sep 14, 2010 at 3:40 PM, Kamil Gorlo wrote:
> My main tool was stress.py for benchmarks (or equivalent written in
> C++ to deal with python2.5 lack of multiprocessing). I wi
On Thu, Sep 16, 2010 at 3:19 PM, Gurpreet Singh
wrote:
> 1. I was looking to increase the RF to 3. This process entails changing the
> config and calling repair on the keyspace one at a time, right?
> So, I started with one node at a time, changed the config file on the first
> node for the keysp
correct, 0.0.0.0 is a wildcard.
On Thu, Sep 9, 2010 at 1:19 PM, Aaron Morton wrote:
> I set this to 0.0.0.0 I think the original storage_config.xml had a comment
> that it would make thrift respond on all interfaces.
> Aaron
> On 09 Sep, 2010,at 08:37 PM, Benjamin Black wrote:
>
Nice!
On Wed, Sep 8, 2010 at 6:45 PM, Scott Dworkis wrote:
> in case the community is interested, my gmetric collector:
>
> http://github.com/scottnotrobot/gmetric/tree/master/database/cassandra/
>
> note i have only tested with a special csv mode of gmetric... you can bypass
> this mode and use
the ip.
>
> On Thu, Sep 9, 2010 at 4:14 AM, Ying Tang wrote:
>>
>> no , i didn't change the yaml file.
>>
>> On Thu, Sep 9, 2010 at 4:10 AM, Benjamin Black wrote:
>>>
>>> Do you mean you are changing the yaml file? Does 'netstat -an |
Do you mean you are changing the yaml file? Does 'netstat -an | grep
9160' indicate cassandra is bound to ipv4 or ipv6 (tcp vs tcp6 in the
netstat output)?
b
On Thu, Sep 9, 2010 at 1:06 AM, Ying Tang wrote:
> I'm using cassandra 0.7 .
> And in storage-conf .
>
> # The address to bind the Thrif
And having said all that: Azure Table storage model doesn't look like
Cassandra. There is a schema, there are partition keys. It more
resembles something like VoltDB than the map of maps (of maps) of
Cassandra (and BigTable, and HBase).
b
On Wed, Sep 8, 2010 at 2:20 PM, Peter Harrison wrote:
They are not copying Cassandra with that, as it was in development for
some time before Cassandra was released (possibly even before
Cassandra development started). The BigTable-esque aspects, if they
are 'copied' from anywhere, are copied from BigTable, just as they are
in Cassandra. The underly
n, Sep 6, 2010 at 7:53 PM, Benjamin Black wrote:
>>
>> On Mon, Sep 6, 2010 at 12:41 AM, Janne Jalkanen
>> wrote:
>> >
>> > So if I read this right, using lots of CF's is also a Bad Idea(tm)?
>> >
>>
>> Yes, lots of CFs is bad means lots of CFs
This does not sound like a good application for Cassandra at all. Why
are you using it?
On Tue, Sep 7, 2010 at 3:42 PM, kannan chandrasekaran
wrote:
> Hi All,
>
> We are currently considering Cassandra for our application.
>
> Platform:
> * a single-node cluster.
> * windows '08
> * 64-bit jvm
>
On Mon, Sep 6, 2010 at 12:41 AM, Janne Jalkanen
wrote:
>
> So if I read this right, using lots of CF's is also a Bad Idea(tm)?
>
Yes, lots of CFs is bad means lots of CFs is also bad.
Welcome to Thrift.
On Mon, Sep 6, 2010 at 4:04 PM, Edward Capriolo wrote:
>
> I was not aware of that. Also is the default for 6.o non framed and
> 7.o framed? I was thinking possibly replace cassanda.client detect the
> server version and use reflection. This way hector sees the same
> interface
On Thu, Sep 2, 2010 at 6:25 PM, Mike Peters
wrote:
>
> My concerns are -
> #1. Will every single node end up with 4k folders under /cassandra/data/?
>
Yes (and you should review how Cassandra works if that is a question for you).
> #2. Performance: Will Cassandra work better with a single keyspa
On Thu, Sep 2, 2010 at 8:19 PM, Ying Tang wrote:
> Recently , i read the paper about Cassandra again .
> And now i have some concepts about the reading and writing .
> We all know Cassandra uses NWR ,
> When read :
> the request ---> a random node in Cassandra .This node acts as a proxy ,and
> it
You seem to be typing 0.7 commands on a 0.6 cli. Please follow the
README in the version you are using, e.g.:
set Keyspace1.Standard2['jsmith']['first'] = 'John'
On Thu, Sep 2, 2010 at 5:35 PM, Simon Chu wrote:
> I downloaded cassendra 0.6.5 and ran it, got this error:
>
> bin/cassandra -f
> I
You will likely need to rename some of the files to avoid collisions
(they are only unique per node). Otherwise, yes, this can work.
On Thu, Sep 2, 2010 at 11:09 AM, Anthony Molinaro
wrote:
> Hi,
>
> We're running cassandra 0.6.4, and need to do a data center move of
> a cluster (from EC2 to ou
On Thu, Sep 2, 2010 at 5:52 AM, Phil Stanhope wrote:
> Ben, can you elaborate on some infrastructure topology issues that would
> break this approach?
>
As noted, the naive approach results in nodes behind the same NAT
having to communicate with each other through that NAT rather than
directly.
On Wed, Sep 1, 2010 at 4:16 PM, Andres March wrote:
> I didn't have anything specific in mind. I understand all the issues around
> DNS and not advocating only supporting hostnames (just thought it would be a
> nice option). I also wouldn't expect name resolution to be done all the
> time, only w
On Wed, Sep 1, 2010 at 3:18 PM, Andres March wrote:
> I thought you might say that. Is there some reason to gossip IP addresses
> vs hostnames? I thought that layer of indirection could be useful in more
> than just this use case.
>
The trade-off for that flexibility is that nodes are now depen
reat start.
b
On Wed, Sep 1, 2010 at 2:57 PM, Andres March wrote:
> Is it not possible to put the external host name in cassandra.yaml and add a
> host entry in /etc/hosts for that name to resolve to the local interface?
>
> On 09/01/2010 01:24 PM, Benjamin Black wrote:
>
> The
The issue is this:
The IP address by which an EC2 instance is known _externally_ is not
actually on the instance itself (the address being translated), and
the _internal_ address is not accessible across regions. Since you
can't bind a specific address that is not on one of your local
interfaces,
of the world...), but "what is the
>> XXX way" are not the type of topics I find interesting, so another time.
>>
>> Terje
>>
>>
>> On Tue, Aug 31, 2010 at 5:30 PM, Benjamin Black wrote:
>>>
>>> This is not the Unix way for goo
with
>> simplicity.
>> /Janne
>> On Aug 31, 2010, at 08:39 , Terje Marthinussen wrote:
>>
>> Beyond aesthetics, specific reasons?
>>
>> Terje
>>
>> On Tue, Aug 31, 2010 at 11:54 AM, Benjamin Black wrote:
>>>
>>> URL encoding.
>>>
>>
>
>
; logical names which map to pretty incomprehensible sequences that are
> laborious to look up).
> So my experience suggests to avoid it for ops reasons, and just go with
> simplicity.
> /Janne
> On Aug 31, 2010, at 08:39 , Terje Marthinussen wrote:
>
> Beyond aesthetics, specific reaso
URL encoding.
On Mon, Aug 30, 2010 at 5:55 PM, Aaron Morton wrote:
> under scores or URL encoding ?
> Aaron
> On 31 Aug, 2010,at 12:27 PM, Benjamin Black wrote:
>
> Please don't do this.
>
> On Mon, Aug 30, 2010 at 5:22 AM, Terje Marthinussen
> wrote:
>> Ah,
Please don't do this.
On Mon, Aug 30, 2010 at 5:22 AM, Terje Marthinussen
wrote:
> Ah, sorry, I forgot that underscore was part of \w.
> That will do the trick for now.
>
> I do not see the big issue with file names though. Why not expand the
> allowed characters a bit and escape the file names?
On Mon, Aug 30, 2010 at 6:05 AM, Juho Mäkinen wrote:
> The application is using the
> same cassandra thrift connection (it doesn't close it in between) and
> everything is happening inside same php process.
>
This is why you are seeing this problem (and is specific to connection
reuse in certain
On Sun, Aug 29, 2010 at 11:04 AM, Anthony Molinaro
wrote:
>
>
> I don't know it seems to tax our setup of 39 extra large ec2 nodes, its
> also closer to 24000 reqs/sec at peak since there are different tables
> (2 tables for each read and 2 for each write)
>
Could you clarify what you mean here?
On Sun, Aug 29, 2010 at 11:04 AM, Anthony Molinaro
wrote:
> If one machine is misbehaving it tends to fail pretty quickly, at which
> point all the haproxies drop it (we have an haproxy on every client node,
> so it acts like a connection pooling mechanism for the client).
Cool. Except this is n
0 0
> INFO 23:56:20,614 MISCELLANEOUS-POOL 0 0
> INFO 23:56:20,615 GMFD 0 0
> INFO 23:56:20,616 CONSISTENCY-MANAGER 0 0
> INFO 23:56:20,616 LB-TARGET 0
cassandra.in.sh?
storage-conf.xml?
output of iostat -x while this is going on?
turn GC log level to debug?
On Sat, Aug 28, 2010 at 2:02 PM, Fernando Racca wrote:
> Hi,
> I'm currently executing some benchmarks against 0.6.5, which i plan to
> compare against 0.7-beta1, using the YCSB client
> I'm
On Sat, Aug 28, 2010 at 2:34 PM, Anthony Molinaro
wrote:
> I think maybe he thought you meant put a layer between cassandra internal
> communication.
No, I took the question to be about client connections.
> There's no problem balancing client connections with
> haproxy, we've been pushing sever
requests, including using describe_ring to discover
nodes and open new connections as needed.
On Sat, Aug 28, 2010 at 11:29 AM, Mark wrote:
> On 8/28/10 11:20 AM, Benjamin Black wrote:
>>
>> no and no.
>>
>> On Sat, Aug 28, 2010 at 10:28 AM, Mark wrote:
>>>
>&g
across those connections. Should
a node begin returning errors (for example, because it is overloaded),
clients can remove it from rotation.
On Sat, Aug 28, 2010 at 11:27 AM, Mark wrote:
> On 8/28/10 11:20 AM, Benjamin Black wrote:
>>
>> no and no.
>>
>> On Sat, Aug
Have you tried with beta1 and is there a repro you can put in a bug
report in jira?
On Sat, Aug 28, 2010 at 11:28 AM, Todd Burruss wrote:
> Trunk
>
>
>
> -Original Message-
> From: Benjamin Black [...@b3k.us]
> Received: 8/28/10 10:05 AM
> To: user
no and no.
On Sat, Aug 28, 2010 at 10:28 AM, Mark wrote:
> I will be loadbalancing between nodes using HAProxy. Is this recommended?
>
> Also is there a some sort of ping/health check uri available?
>
> Thanks
>
Todd,
Are you using beta1 or trunk code?
b
On Fri, Aug 27, 2010 at 3:58 PM, B. Todd Burruss wrote:
> i got the latest code this morning. i'm testing with 0.7
>
>
> ERROR [ROW-MUTATION-STAGE:388] 2010-08-27 15:54:58,053
> RowMutationVerbHandler.java (line 78) Error in row mutation
> org.apache
ecapriolo's testing seemed to indicate it _did_ change the behavior.
wonder what the difference is?
On Fri, Aug 27, 2010 at 6:23 AM, Mikio Braun wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> Dear all,
>
> thanks for your comments, and I'm glad that you found my post helpful.
>
> Co
You are using the wrong part of the example. That code sample just
produces the string representation. Scroll down in that FAQ entry to
the sample labeled:
"When you want to actually place the UUID into the Column then you'll
want to convert it like this. This method is often used in conjuntion
ug 26, 2010 at 9:57 PM, Benjamin Black wrote:
>> imo, these should be part of the defaults.
>>
>> On Tue, Aug 24, 2010 at 8:29 AM, Mikio Braun wrote:
>>> -BEGIN PGP SIGNED MESSAGE-
>>> Hash: SHA1
>>>
>>> Dear all,
>>>
>&
imo, these should be part of the defaults.
On Tue, Aug 24, 2010 at 8:29 AM, Mikio Braun wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> Dear all,
>
> thanks again for all the comments I got on my last post. I've played a
> bit with different GC settings and got my Cassandra instance
recommend "testing the waters" on release software (0.6.x), not beta.
On Thu, Aug 26, 2010 at 2:53 PM, Mark wrote:
> I have a 2 node cluster (testing the waters) w/ a replication factor of 2.
> One node got completed screwed up (see any of my previous messages from
> today) so I deleted the com
No, it means manually assign tokens to evenly distribute ring range to
the existing nodes.
On Wed, Aug 25, 2010 at 7:29 PM, john xie wrote:
> load balancing? is it means add more nodes?
>
>
> 2010/8/26 Ryan King
>>
>> Looks like you need to do some load balancing.
>>
>> -ryan
>>
>> On Wed, Aug
Please put your storage-conf.xml and cassandra.in.sh files on
pastie/dpaste/gist and send the link.
(moving it back to the user list again)
On Sun, Jul 25, 2010 at 11:51 PM, Michelan Arendse wrote:
> I have 2 seeds in my cluster, with a replication of 2. I am using cassandra
> 0.6.2.
>
> It keep
Did you run the tests in this order without changing anything but CL?
You may be seeing the effects of OS page caching. Run then in the
reverse order and see if the difference persists.
On Tue, Aug 24, 2010 at 11:52 PM, ring_ayumi_king
wrote:
> Hi all,
>
> I ran my benchmark(OPP via get_range_sl
Todd,
This is a really bad idea. What you are likely doing is spreading
that single row across a large number of sstables. The more columns
you insert, the more sstables you are likely inspecting, the longer
the get_slice operations will take. You can test whether this is so
by running nodetool
http://riptano.blip.tv/file/4012133/
On Sun, Aug 22, 2010 at 12:11 PM, Moleza Moleza wrote:
> Hi,
> I am setting up a cluster on a linux box.
> Everything seems to be working great and I am watching the ring with:
> watch -d -n 2 nodetool -h localhost ring
> Suddenly, I see that one of the nodes
want to use the base settings (which are intended for the 1G
max heap which is way too small for anything interesting), expect
suboptimal performance for your application.
> after all an evaluation of whether Cassandra can replace Mysql.
>
> I thank everyone for their help.
>
> On Sun
Wayne,
Bulk loading this much data is a very different prospect from needing
to sustain that rate of updates indefinitely. As was suggested
earlier, you likely need to tune things differently, including
disabling minor compactions during the bulk load, to make this work
efficiently.
b
On Sun,
>
> Thank you for your advice, I am struggling with how to make this work. Any
> insight you can provide would be greatly appreciated.
>
>
>
> On Sun, Aug 22, 2010 at 8:58 AM, Benjamin Black wrote:
>>
>> How much storage do you need? 240G SSDs quite capable of satur
>> guess that applies here? Do I need to spend $10k per node instead of $3.5k
>> to get SUSTAINED 10k writes/sec per node?
>>
>>
>>
>> On Sat, Aug 21, 2010 at 11:03 PM, Benjamin Black wrote:
>>>
>>> My guess is that you have (at least) 2
0k writes/sec per node?
>
>
>
> On Sat, Aug 21, 2010 at 11:03 PM, Benjamin Black wrote:
>>
>> My guess is that you have (at least) 2 problems right now:
>>
>> You are writing 10k ops/sec to each node, but have default memtable
>> flush settings. This is resu
For reference, I learned this from reading the source:
thrift/CassandraServer.java
On Sat, Aug 21, 2010 at 4:19 PM, Mark wrote:
> Is there anyway to remove drop column family/keyspace privileges?
>
My mistake, the access levels in 0.7 do now distinguish these
operations (at access level FULL).
On Sat, Aug 21, 2010 at 4:19 PM, Mark wrote:
> Is there anyway to remove drop column family/keyspace privileges?
>
No.
On Sat, Aug 21, 2010 at 4:19 PM, Mark wrote:
> Is there anyway to remove drop column family/keyspace privileges?
>
My guess is that you have (at least) 2 problems right now:
You are writing 10k ops/sec to each node, but have default memtable
flush settings. This is resulting in memtable flushing every 30
seconds (default ops flush setting is 300k). You thus have a
proliferation of tiny sstables and are seein
Perhaps I missed it in one of the earlier emails, but what is your
disk subsystem config?
On Sat, Aug 21, 2010 at 2:18 AM, Wayne wrote:
> I am already running with those options. I thought maybe that is why they
> never get completed as they keep pushed pushed down in priority? I am
> getting tim
More recent. Newest timestamp always wins. And I am moving this to
the user list (again) so it can be with all its friendly threads on
the exact same topic.
On Thu, Aug 19, 2010 at 10:22 AM, Maifi Khan wrote:
> Hi David
> Thanks for your reply.
> But what happens if I read and get 2 nodes has v
great, thanks!
On Tue, Aug 17, 2010 at 11:30 PM, Mark wrote:
> On 8/17/10 5:44 PM, Benjamin Black wrote:
>>
>> Updated code is now in my master branch, with the reversion to 10.0.0.
>> Please let me know of further trouble.
>>
>>
>> b
>>
&g
On Tue, Aug 17, 2010 at 7:49 PM, Zhong Li wrote:
> Those data were inserted one node, then deleted on a remote node in less
> than 2 seconds. So it is very possible some node lost tombstone when
> connection lost.
> My question, is a ConstencyLevel.ALL read can retrieve lost tombstone back
> inste
On Tue, Aug 17, 2010 at 7:55 PM, Chen Xinli wrote:
> Hi,
>
> We are going to use cassandra for searching purpose like inbox search.
> The reading qps is very high, we'd like to use ConsitencyLevel.One for
> reading and disable read-repair at the same time.
>
In 0.7 you can set a probability for r
Updated code is now in my master branch, with the reversion to 10.0.0.
Please let me know of further trouble.
b
On Tue, Aug 17, 2010 at 8:31 AM, Mark wrote:
> On 8/16/10 11:37 PM, Benjamin Black wrote:
>>
>> I'm testing with the default cassandra.yaml.
>>
>>
r such a feature as well. We use it on the MyNews -
>> Top in 24 hours. Since we need timestamp ordering + sorting by how many
>> friends touch a story.
>>
>> -Chris
>>
>> On Aug 15, 2010, at 7:34 PM, Benjamin Black wrote:
>>
>> > http://code.googl
without answering your whole question, just fyi: there is a matching
json2sstable command for going the other direction.
On Tue, Aug 17, 2010 at 10:48 AM, Artie Copeland wrote:
> what is the best way to move data between clusters. we currently have a 4
> node prod cluster with 80G of data and wa
a
> /Justus
>
> -Ursprungligt meddelande-----
> Från: Benjamin Black [mailto:b...@b3k.us]
> Skickat: den 17 augusti 2010 08:37
> Till: user@cassandra.apache.org
> Ämne: Re: Cassandra gem
>
> I'm testing with the default cassandra.yaml.
>
> I cannot reproduce the
7 beta1 is at Thrift interface
version 10.0.0 or 11.0.0?
b
On Mon, Aug 16, 2010 at 9:03 PM, Mark wrote:
> On 8/16/10 8:51 PM, Mark wrote:
>>
>> On 8/16/10 6:19 PM, Benjamin Black wrote:
>>>
>>> client = Cassandra.new('system', '127.
thrift (0.2.0.4)
thrift_client (0.4.6, 0.4.3)
On Mon, Aug 16, 2010 at 8:51 PM, Mark wrote:
> On 8/16/10 6:19 PM, Benjamin Black wrote:
>>
>> client = Cassandra.new('system', '127.0.0.1:9160')
>
> Brand new download of beta-0.7.0-beta1
>
>
$ irb
>> require "lib/cassandra/0.7"
=> true
>> client = Cassandra.new('system', '127.0.0.1:9160')
=> #
>> client.keyspaces
=> ["system"]
>> client.partitioner
=> "org.apache.cassandra.dht.RandomPartitioner"
&
can you gist the code?
On Mon, Aug 16, 2010 at 5:46 PM, Mark wrote:
> On 8/16/10 3:58 PM, Benjamin Black wrote:
>>
>> If you pulled before a couple hours ago and did not use the 'trunk'
>> branch, then you don't have current code. I merged the trunk branch
&
If you pulled before a couple hours ago and did not use the 'trunk'
branch, then you don't have current code. I merged the trunk branch
to master earlier today and sent a pull request for the fauna repo to
get the changes, as well. Also fixed a bug another user found when
running with Ruby 1.9.
Useful config option, perhaps?
On Mon, Aug 16, 2010 at 8:51 AM, Jonathan Ellis wrote:
> That's a tough call -- you can also come up with scenarios where you'd
> rather have it read-only than completely dead.
>
> On Wed, Aug 11, 2010 at 12:38 PM, Ran Tavory wrote:
>> Due to administrative error o
http://code.google.com/p/redis/
On Sat, Aug 14, 2010 at 11:51 PM, S Ahmed wrote:
> For CF that I need to perform range scans on, I create separate CF that have
> custom ordering.
> Say a CF holds comments on a story (like comments on a reddit or digg story
> post)
> So if I need to order comments
#546
#1076
#1169
#1377
etc...
On Sat, Aug 14, 2010 at 12:05 PM, Bill de hÓra wrote:
> That data suggests the inbuilt tools are a hazard and manual workarounds
> less so.
>
> Can you point me at the bugs?
>
> Bill
>
>
> On Fri, 2010-08-13 at 20:30 -0700, Benjamin Bla
On Fri, Aug 13, 2010 at 10:13 PM, Stefan Kaufmann wrote:
>> My recommendation is to leave Autobootstrap disabled, copy the
>> datafiles over, and then run cleanup. It is faster and more reliable
>> than streaming, in my experience.
>
> I thought about copying da Data manually. However if I have a
g 13, 2010 at 2:05 PM, Bill de hÓra wrote:
> On Fri, 2010-08-13 at 09:51 -0700, Benjamin Black wrote:
>
>> My recommendation is to leave Autobootstrap disabled, copy the
>> datafiles over, and then run cleanup. It is faster and more reliable
>> than streaming, in my experienc
On Fri, Aug 13, 2010 at 9:48 AM, Oleg Anastasjev wrote:
> Benjamin Black b3k.us> writes:
>
>> > 3. I waited for the data to replicate, which didn't happen.
>>
>> Correct, you need to run nodetool repair because the nodes were not
>> present when the w
On Thu, Aug 12, 2010 at 8:30 AM, Stefan Kaufmann wrote:
> Hello again,
>
> last day's I started several tests with Cassandra and learned quite some
> facts.
>
> However, of course, there are still enough things I need to
> understand. One thing is, how the data replication works.
> For my Testing
what does the io load look like on those nodes?
On Mon, Aug 9, 2010 at 1:50 PM, Edward Capriolo wrote:
> I have a 16 node 6.3 cluster and two nodes from my cluster are giving
> me major headaches.
>
> 10.71.71.56 Up 58.19 GB
> 10827166220211678382926910108067277 | ^
> 10.71.71.
You don't, they are not preserved, as discussed in another, almost
identical thread in the past 2 days. If you want to retain history,
you must do so your self, usually by maintaining indices.
On Sun, Aug 8, 2010 at 1:29 PM, Kevin Cox wrote:
> Taking from the CassandaraCLI example page for simpl
On Sun, Aug 8, 2010 at 5:21 AM, Carsten Krebs wrote:
>
> I'm wondering why a TokenRange returned by describe_ring(keyspace) of the
> thrift API just returns endpoints consisting only of an address but omits any
> port information?
> My first thought was, this method could be used to expose some
Certainly. There is also a performance penalty to unbounded row
sizes. That penalty is your nodes OOMing. I strongly recommend you
abandon that direction.
On Sat, Aug 7, 2010 at 9:06 PM, Mark wrote:
> On 8/7/10 7:04 PM, Benjamin Black wrote:
>>
>> certainly it matters: your p
certainly it matters: your previous version is not bounded on time, so
will grow without bound. ergo, it is not a good fit for cassandra.
On Sat, Aug 7, 2010 at 2:51 PM, Mark wrote:
> On 8/7/10 2:33 PM, Benjamin Black wrote:
>>
>> Right, this is an index row per time interval
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