If this is a _new_ 8 node cluster, is there a specific reason you starting with
1.0.x, not 1.2.x? (Upgrading later will be more work)
__
Sent from iPhone
> On 6 Mar 2014, at 9:22 am, "Alaa Zubaidi (PDF)" wrote:
>
> Cassandra 1.0.10 with default settings..
>
>
>> O
What are the penalties for having them?
On Wed, Mar 5, 2014 at 5:59 PM, Robert Coli wrote:
> On Wed, Mar 5, 2014 at 2:53 PM, Tyler Hobbs wrote:
>
>>
>> Ah, I missed that part. If the replication factor matches the number of
>> nodes in the cluster, then you're correct, it doesn't matter what
Disregard... heh. Was reading the latency as SECONDS. Sorry, it's been one
of those weeks.
On Wed, Mar 5, 2014 at 1:44 AM, Eric Plowe wrote:
> Background info:
>
> 6 node cluster.
> 24 gigs of ram per machine
> 8 gigs of ram dedicated to c*
> 4 4 core cpu's
> 2 250 gig SSD's raid 0
> Running c*
The vast majority of Java code should be portable. Reiterating "should be".
It sounds like what we need is CCM via ssh.
On Wed, Mar 5, 2014 at 8:07 PM, Green, John M (HP Education) <
john.gr...@hp.com> wrote:
> Just to clarify, do recommend not running Cassandra on Windows or not
> using the cli
Cassandra 1.0.10 with default settings..
On Wed, Mar 5, 2014 at 4:57 PM, Robert Coli wrote:
> On Wed, Mar 5, 2014 at 4:35 PM, Alaa Zubaidi (PDF)
> wrote:
>
>> I have a new 8 Node cluster, and when started loading data I see the
>> error below showing up a lot in 3 of the 8 Nodes:
>>
>
> What v
Just to clarify, do recommend not running Cassandra on Windows or not using the
client C++ driver from Windows?The former doesn't seem like much of a
limitation but the latter certainly does.
From: Robert Coli [mailto:rc...@eventbrite.com]
Sent: Wednesday, March 05, 2014 5:02 PM
To: user@cas
On Wed, Mar 5, 2014 at 1:24 PM, Green, John M (HP Education) <
john.gr...@hp.com> wrote:
> # add_subdirectory(extra/ccm_bridge) <-- Doesn't work on windows!
>
If CCM doesn't work on Windows, and Cassandra's dtests have CCM as a
dependency, doesn't this mean that Cassandra for Windows is
On Wed, Mar 5, 2014 at 2:53 PM, Tyler Hobbs wrote:
>
> Ah, I missed that part. If the replication factor matches the number of
> nodes in the cluster, then you're correct, it doesn't matter what tokens
> you assign.
>
And you get no benefit from 3x256 vnodes, but you do pay all the penalties
fo
On Wed, Mar 5, 2014 at 4:35 PM, Alaa Zubaidi (PDF) wrote:
> I have a new 8 Node cluster, and when started loading data I see the error
> below showing up a lot in 3 of the 8 Nodes:
>
What version of cassandra? What mode of thrift server operation, sync or
hsha?
=Rob
Hi,
I have a new 8 Node cluster, and when started loading data I see the error
below showing up a lot in 3 of the 8 Nodes:
ERROR [Thrift:65] 2014-03-05 13:19:42,450 Cassandra.java (line 3041)
Internal error processing get_slice
java.lang.AssertionError
at
org.apache.cassandra.db.SliceFromReadComma
On Wed, Mar 5, 2014 at 4:48 PM, Elliot Finley wrote:
> How does giving the SSD node a higher number of tokens help anything if
> it's a 3 node cluster with 3 replicas?
Ah, I missed that part. If the replication factor matches the number of
nodes in the cluster, then you're correct, it doesn't m
How does giving the SSD node a higher number of tokens help anything if
it's a 3 node cluster with 3 replicas?
On Wed, Mar 5, 2014 at 3:41 PM, Tyler Hobbs wrote:
> The dynamic snitch wraps whatever snitch you configure (SimpleSnitch,
> PropertyFileSnitch, etc).
>
> The dynamic snitch *will* fa
The dynamic snitch wraps whatever snitch you configure (SimpleSnitch,
PropertyFileSnitch, etc).
The dynamic snitch *will* favor faster replicas, but it might still
under-utilize the SSD nodes. Chris's suggestion to give the SSD nodes a
higher number of tokens will result in them being replicas fo
Are you using the dynamic snitch? Because the SimpleSnitch is the default.
On March 5, 2014 at 5:27:03 PM, Elliot Finley (efinley.li...@gmail.com) wrote:
Keep in mind, for this 3 node cluster, N = 3.
I did a bit more digging and I found this (for future searches on this topic):
http://www.dat
Keep in mind, for this 3 node cluster, N = 3.
I did a bit more digging and I found this (for future searches on this
topic):
http://www.datastax.com/documentation/cassandra/2.0/cassandra/architecture/architectureSnitchDynamic_c.html
http://www.datastax.com/dev/blog/dynamic-snitching-in-cassandra
On 03/04/2014 12:28 PM, Check Peck wrote:
I guess you are not right.. Cluster.builder.addContactPoint(...) will
add nodes in the connection pool.. And it will discover all the other
nodes in the connection pool automatically.. To filter out nodes only
for local colo we need to use to different se
Build succeeded.
0 Warning(s)
0 Error(s)
I commented out the integration_tests and cmm_bridge from CMakeLists.txt since
Windows in the only platform I care about.
# add_subdirectory(extra/ccm_bridge) <-- Doesn't work on windows!
# add_subdirectory(test/integration_tests)
An id
It looks like a cmake message error, as you suggested. Running 'make'
against the result of 'cmake' grinds through without an error and the
result is indeed linked to boost although it is not the multi-threaded
version of boost (which is installed on my system) as I would have
expected.
mdykman@sa
On 03/05/2014 11:53 AM, Michael Dykman wrote:
I stand corrected. I did not have libssh2 and while I did have
libboost-all-dev (see below), I did not have the all the specific
packages indicated
ii libboost-all-dev 1.48.0.2
Boost C++ Libraries development fi
I stand corrected. I did not have libssh2 and while I did have
libboost-all-dev (see below), I did not have the all the specific
packages indicated
ii libboost-all-dev 1.48.0.2
Boost C++ Libraries development files (ALL, default
version)
So, I ran the full apt
Yes, I have openssl, boost, and zlib. It's just been this nastiness of the
cmm_bridge which you've just confirmed I don't need (thank goodness!). I'm
still not sure how to
>> Just build the driver in bin/ as below, instead of trying the whole project.
I don't have a bin subirectory.
#d
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On 03/05/2014 11:34 AM, Green, John M (HP Education) wrote:
Yes, I have openssl, boost, and zlib. It's just been this nastiness of the
cmm_bridge which you've just confirmed I don't need (thank goodness!). I'm
still not sure how to
Just build the driver in bin/ as below, instead of tryin
While drivers are relevant to using C*, messages about having problems
building the drivers, conversation about development, discussing bugs or
patches, etc. would probably be better done on their respective mailing
lists, IRC channel, and JIRAs.
Mailing Lists:
Java:
https://groups.google.com
Yes I am still running thrift 0.9 TThreadedSelectorServer without any serious
problems.
I didn't realise before, but the old Cassandra CustomTHsHaServer implementation
is very similar to TTSS. So this could easily be seen as a step backwards.
But given my current situation I'd love to see TTSS
On 03/05/2014 11:20 AM, Michael Shuler wrote:
CCM won't run on windows, so don't bother. Unless you wish to get it
working on windows - I'm sure that patch would be gladly accepted :)
Just build the driver in bin/ as below, instead of trying the whole
project.
Oh, looking at the log on cassci
CCM won't run on windows, so don't bother. Unless you wish to get it
working on windows - I'm sure that patch would be gladly accepted :)
Just build the driver in bin/ as below, instead of trying the whole project.
--
Michael
On 03/05/2014 11:13 AM, Green, John M (HP Education) wrote:
Sorry
On 03/05/2014 10:55 AM, Michael Dykman wrote:
The only listed dependencies: boost and libssh. I am not even
slightly uncertain if they are installed. Not only did I confirm them
yesterday via dpkg (having installed both via apt-get from Ubuntu's
core repos), I have been explicitly coding against
Sorry, I forgot to mention that I'm trying to build release_0_2_0 of the
driver.
I still haven't figured this out but, knowing that it's possible, I started
digging deeper.
It appears to be an issue with the cmm_bridge depending on libssh2 (i.e.,
libssh2-1.4.3) and libssh2 depending on
No. If you have a heterogeneous clusters you should consider adjusting
the number of vnodes per physical node.
On 03/04/2014 10:47 PM, Elliot Finley wrote:
Using Cassandra 2.0.x
If I have a 3 node cluster and 2 of the nodes use spinning drives and 1 of
them uses SSD, will the majority of the
On 02/13/2014 01:37 PM, Christopher Wirt wrote:
Anyway, today I moved the old HsHa implementation and the new
TThreadSelectorServer into a 2.0.5 checkout, hooked them in, built, did a
bit of testing and I'm now running live.
We found the TThreadSelectorServer performed the best getting us back
The only listed dependencies: boost and libssh. I am not even
slightly uncertain if they are installed. Not only did I confirm them
yesterday via dpkg (having installed both via apt-get from Ubuntu's
core repos), I have been explicitly coding against them both for the
past several months on this s
On 03/04/2014 05:33 PM, Michael Dykman wrote:
I am getting errors running the cmake file in a *very* recent download
of the C++ driver's source tree. It seems to be failing to find
either boost::asio or openssl libraries. I defineately have these
both installed having developed against them rec
I've been seeing commit logs grow much much larger than the actual data under
2.0.5, even after flushing and draining a node. Especially so on the node doing
bulk data loads. I've been doing intermittent drain/shutdown/delete commit
logs to keep things in check.
I suspect a either a bug, or a
"INSERT INTO x (a,b.c) values (1,2,3)"
Doesn't this sometimes turn into a batch mutation if b and c are separate
columns?
On Wed, Mar 5, 2014 at 5:03 AM, Sylvain Lebresne wrote:
> Let me first note that the DataStax Java driver has a dedicated mailing
> list:
> https://groups.google.com/a/lis
Let me first note that the DataStax Java driver has a dedicated mailing
list:
https://groups.google.com/a/lists.datastax.com/forum/#!forum/java-driver-user,
it would better to use that list for driver specific questions in the
future.
But to answer your question, a SIMPLE write is any write (INSER
Je suis absent(e) du bureau jusqu'au 09/03/2014
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