RE: Datastax C++ driver on Windows x64

2014-03-04 Thread Dwight Smith
Second that question From: Green, John M (HP Education) [mailto:john.gr...@hp.com] Sent: Tuesday, March 04, 2014 2:03 PM To: user@cassandra.apache.org Subject: Datastax C++ driver on Windows x64 Has anyone successfully built the Datastax C++ driver for a Windows 64-bit platform? While I've made

Impact of running major compaction with Size Tiered Compaction - version 1.1.11

2014-01-10 Thread Dwight Smith
Hi We have a 6 node cluster in two DCs, Cassandra version 1.1.11, RF=3 in each DC. The DataStax Documentation says the following: Initiate a major compaction through nodetool compact

Is there a client side method of determining the Cassandra version to which it is connected?

2013-09-06 Thread Dwight Smith
This question is specific to Thrift - but in the process of moving to CQL - so either client will be fine. Thanks

RE: data clean up problem

2013-05-28 Thread Dwight Smith
How do you determine the slow node, client side response latency? -Original Message- From: Hiller, Dean [mailto:dean.hil...@nrel.gov] Sent: Tuesday, May 28, 2013 1:10 PM To: user@cassandra.apache.org Subject: Re: data clean up problem How much disk used on each node? We run the suggeste

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-21 Thread Dwight Smith
; Yes - using NetworkTopologyStrategy mmm, maybe it thinks the other nodes are down. Cheers - Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 22/03/2013, at 6:42 AM, Dwight Smith wrote: > Yes - using NetworkTopologyStrate

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-21 Thread Dwight Smith
Yes - using NetworkTopologyStrategy From: aaron morton [mailto:aa...@thelastpickle.com] Sent: Thursday, March 21, 2013 10:22 AM To: user@cassandra.apache.org Subject: Re: Question regarding multi datacenter and LOCAL_QUORUM DEBUG [Thrift:1] 2013-03-19 00:00:53,313 ReadCallback.java (line 79) Bloc

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
goes down? If so it might be https://issues.apache.org/jira/browse/CASSANDRA-4705 I don't think that issue applies if the node has been down long enough to be marked as down though. On Wed, Mar 20, 2013 at 12:53 PM, Dwight Smith mailto:dwight.sm...@genesyslab.com>> wrote: Further info

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
Subject: Re: Question regarding multi datacenter and LOCAL_QUORUM I'm think I need help with pointing out what the problem is. The log you posted only contains references to 143, 145, and 146, which all appear to be in the same datacenter as 146? On Wed, Mar 20, 2013 at 11:29 AM, Dwight

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
with pointing out what the problem is. The log you posted only contains references to 143, 145, and 146, which all appear to be in the same datacenter as 146? On Wed, Mar 20, 2013 at 11:29 AM, Dwight Smith mailto:dwight.sm...@genesyslab.com>> wrote: Hi I have 2 data centers – with 3 nodes

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
AZ2 RAC2Up Normal 483.18 KB 100.00% 113427455640312821154458202477256070585 From: Dwight Smith Sent: Wednesday, March 20, 2013 11:29 AM To: 'user@cassandra.apache.org' Subject: RE: Question regarding multi datacenter and LOCAL_QUORUM Actually

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
that looks alternated to me. I'm assuming that 147, 148 and 149 are this then: 28356863910078205288614550619314017621 85070591730234615865843651857942052864 141784319550391026443072753096570088106 I'm out of ideas - sorry I couldn't help more. -Tycen From: Dwight Smi

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
RE: Question regarding multi datacenter and LOCAL_QUORUM Did you alternate your tokens? I may be off base - but if not then that's why you might be seeing cross-dc request. -Tycen From: Dwight Smith [mailto:dwight.sm...@genesyslab.com] Sent: Wednesday, March 20, 2013 10:30 AM

RE: Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
Slight correction - replication factor is 3. Will obtain nodetool ring info to verify tokens. From: Dwight Smith [mailto:dwight.sm...@genesyslab.com] Sent: Wednesday, March 20, 2013 10:30 AM To: user@cassandra.apache.org Subject: Question regarding multi datacenter and LOCAL_QUORUM Hi I have 2

Question regarding multi datacenter and LOCAL_QUORUM

2013-03-20 Thread Dwight Smith
Hi I have 2 data centers - with 3 nodes in each DC - version 1.1.6 - replication factor 2 - topology properties: # Cassandra Node IP=Data Center:Rack xx.yy.zz.143=AZ1:RAC1 xx.yy.zz.145=AZ1:RAC1 xx.yy.zz.146=AZ1:RAC1 xx.yy.zz.147=AZ2:RAC2 xx.yy.zz.148=AZ2:RAC2 xx.yy.zz.149=AZ2:RAC2 Using LOCAL

RE: Specifying initial token in 1.2 fails

2013-01-04 Thread Dwight Smith
seems to only apply to RandomPartitioner. Thanks again From: Michael Kjellman [mailto:mkjell...@barracuda.com] Sent: Friday, January 04, 2013 8:39 AM To: user@cassandra.apache.org Subject: Re: Specifying initial token in 1.2 fails Murmur3 != MD5 (RandomPartitioner) From: Dwight Smith

Specifying initial token in 1.2 fails

2013-01-04 Thread Dwight Smith
Hi Just started evaluating 1.2 - starting a clean Cassandra node - the usual practice is to specify the initial token - but when I attempt to start the node the following is observed: INFO [main] 2013-01-03 14:08:57,774 DatabaseDescriptor.java (line 203) disk_failure_policy is stop DEBUG [main

RE: Question regarding the need to run nodetool repair

2012-11-15 Thread Dwight Smith
Thanks From: Edward Capriolo [mailto:edlinuxg...@gmail.com] Sent: Thursday, November 15, 2012 4:30 PM To: user@cassandra.apache.org Subject: Re: Question regarding the need to run nodetool repair On Thursday, November 15, 2012, Dwight Smith wrote: > I have a 4 node cluster, vers

Question regarding the need to run nodetool repair

2012-11-15 Thread Dwight Smith
I have a 4 node cluster, version 1.1.2, replication factor of 4, read/write consistency of 3, level compaction. Several questions. 1) Should nodetool repair be run regularly to assure it has completed before gc_grace? If it is not run, what are the exposures? 2) If a node goes down

RE: Question regarding thrift login api and relation to access.properties and passwd.properties

2012-08-14 Thread Dwight Smith
only used by the example implementations, SimpleAuthenticator and SimpleAuthority. Your own implementation (which requires a custom class) certainly does not have to use these, it can use any other source to make the authn/authz decision. On Tue, Aug 14, 2012 at 4:07 PM, Dwight Smith wrote: The

Question regarding thrift login api and relation to access.properties and passwd.properties

2012-08-14 Thread Dwight Smith
The datastax documentation concisely describes how to configure and assure that the properties are used in client access. Question is this: if using the thrift api login, does C* use the Authentication class to determine access privileges based on the access/passwd properties? These questions

RE: Problem with cassandra startup on Linux

2012-08-13 Thread Dwight Smith
Aaron https://issues.apache.org/jira/browse/CASSANDRA-4535 created. Thanks much From: Dwight Smith [mailto:dwight.sm...@genesyslab.com] Sent: Monday, August 13, 2012 7:54 AM To: user@cassandra.apache.org Subject: RE: Problem with cassandra startup on Linux Aaron Yes will

RE: Problem with cassandra startup on Linux

2012-08-13 Thread Dwight Smith
s160k" #else JVM_OPTS="$JVM_OPTS -Xss128k" #fi fi Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 13/08/2012, at 5:16 PM, Dwight Smith wrote: Installed 1.1.3 on my Linux cluster - the JVM_

Problem with cassandra startup on Linux

2012-08-12 Thread Dwight Smith
Installed 1.1.3 on my Linux cluster - the JVM_OPTS were truncated due to a script error in Cassandra-env.sh: Invalid token in the following. startswith () [ "${1#$2}" != "$1" ]

RE: Problem with version 1.1.3

2012-08-10 Thread Dwight Smith
Further info - it seems I had the seeds list backwards - it did not need both nodes - I have corrected that with each pointing to the other as a single seed entry - and it works fine. Thanks again for the quick response. From: Dwight Smith [mailto:dwight.sm...@genesyslab.com] Sent: Friday

RE: Problem with version 1.1.3

2012-08-10 Thread Dwight Smith
: Problem with version 1.1.3 Do both nodes refer to one another as seeds in cassandra.yaml? On Fri, Aug 10, 2012 at 1:46 PM, Dwight Smith wrote: Hi all Just replaced ( clean install ) version 1.0.9 with 1.1.3 - two node amazon cluster. After yaml modification and starting both nodes - they do

RE: Problem with version 1.1.3

2012-08-10 Thread Dwight Smith
Fri, Aug 10, 2012 at 1:46 PM, Dwight Smith wrote: Hi all Just replaced ( clean install ) version 1.0.9 with 1.1.3 - two node amazon cluster. After yaml modification and starting both nodes - they do not see each other: Note: Ownership information does not include topology, please specify

Problem with version 1.1.3

2012-08-10 Thread Dwight Smith
Hi all Just replaced ( clean install ) version 1.0.9 with 1.1.3 - two node amazon cluster. After yaml modification and starting both nodes - they do not see each other: Note: Ownership information does not include topology, please specify a keyspace. Address DC Rack

Frequent exception with Cassandra 1.0.9

2012-05-25 Thread Dwight Smith
I am running embedded Cassandra version 1.0.9 on Windows2008 Server frequently encounter the following exception: Stack: [0x7dc6,0x7dcb], sp=0x7dcaf0b0, free space=316k Java frames: (J=compiled Java code, j=interpreted, Vv=VM code) j java.io.WinNTFileSystem.getSpace0(Ljava/io/File

The use of SuperColumns

2011-11-04 Thread Dwight Smith
There have been mentions that the use of SuperColumns is not really encouraged, recommendation to use composite columns instead. Will SuperColumns be removed. Any comments greatly appreciated. -

RE: Question regarding support of batch_mutate + delete + slice predicate

2010-10-29 Thread Dwight Smith
uot; which links to the CASSANDRA-494 . You can still send a SlicePredicate into the deletion, is just only supports column_names. You can also send a null SlicePredicate to delete and a super column or an entire row. Hope that helps. Aron On 28 Oct 2010, at 19:19, Dwight S

Question regarding support of batch_mutate + delete + slice predicate

2010-10-27 Thread Dwight Smith
Investigation of this combination led to the following: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/batch-m utate-deletion-slice-range-predicate-unsupported-td5048309.html Are there plans (6.x or 7) to support this? Thanks

How can the cassandra token of a key be determined from the cassandra client side?

2010-09-24 Thread Dwight Smith
This question relates to a C++ client application, to direct the Cassandra request to the correct Cassandra node based on token form of the key. Would the following work? If the token form of the key could be determined - the keyspace description could be used to select the correct Cassandra no

RE: Question regarding tombstone removal on 0.6.4

2010-08-31 Thread Dwight Smith
://wiki.apache.org/cassandra/DistributedDeletes and http://wiki.apache.org/cassandra/MemtableSSTable help? On Tue, Aug 31, 2010 at 3:04 PM, Dwight Smith wrote: > Hi > > > > I am running a three node cluster, everything works as expected.   After > running my application for ~60K iterati

Question regarding tombstone removal on 0.6.4

2010-08-31 Thread Dwight Smith
Hi I am running a three node cluster, everything works as expected. After running my application for ~60K iterations, I stopped the application, then performed Nodetool flush on my Keyspace, the a nodetool compact, repeating this for each node in the cluster. Then I exported with sstabl

RE: Newbie to cassandra

2010-07-18 Thread Dwight Smith
Is there a link available for the Cassandra Summit in SF?? From: Eben Hewitt [mailto:eben.hew...@gmail.com] Sent: Sunday, July 18, 2010 5:02 PM To: user@cassandra.apache.org Subject: Re: Newbie to cassandra Hi Sonia If you're still interested after the reading and want something more hand

RE: Use of multiple Keyspaces

2010-07-08 Thread Dwight Smith
Thanks - I found on Wiki that the memtables and sstables are on a per CF basis. Sorry about the mail client formatting - I have no choice - corporate controlled:) Now I am concerned about the deletions - what areas should I investigate to understand the concerns you raise? Thanks again -Or

Use of multiple Keyspaces

2010-07-08 Thread Dwight Smith
Hi I am new to Cassandra and am preparing a data model for use in a production environment, and need to decide if using multiple keyspaces has any benefit. There are basically two types of data; the first, large numbers ( ~1750K) of entries which are written, very few reads, and then rem