Re: deletedAt and localDeletion

2015-01-07 Thread Kais Ahmed
server timestamp, in seconds since the unix epoch, at which this tombstone was created. This is * only used for purposes of purging the tombstone after gc_grace_seconds have elapsed. */ public final int localDeletionTime; On Mon, Jan 5, 2015 at 6:13 AM, Kais Ahmed k...@neteck-fr.com wrote: Hi

deletedAt and localDeletion

2015-01-05 Thread Kais Ahmed
Hi all, Can anyone explain what mine deletedAt and localDeletion in SliceQueryFilter log. SliceQueryFilter.java (line 225) Read 6 live and 2688 tombstoned cells in ks.mytable (see tombstone_warn_threshold). 10 columns was requested, slices=[-], delInfo={deletedAt=-9223372036854775808,

Re: Anyone know when DSE will support Cassandra 2.1?

2014-10-15 Thread Kais Ahmed
Hi, For cassandra 2.0, DSE 4.0 come with casandra 2.0.5 For cassndra 1.2, DSE 3.1 come with cassandra 1.2.6 you should wait at least version 2.1.5 2014-10-14 21:20 GMT+02:00 Jason Lewis jle...@packetnexus.com: I can't find any info related to dates anywhere. jas

Re: assertion error on joining

2014-10-08 Thread Kais Ahmed
I found the problem. jira ticket : https://issues.apache.org/jira/browse/CASSANDRA-8081 2014-10-06 18:45 GMT+02:00 Kais Ahmed k...@neteck-fr.com: Hi all, I'm a bit stuck , i want to expand my cluster C* 2.0.6 but i encountered an error on the new node. ERROR [FlushWriter:2] 2014-10-06 16

assertion error on joining

2014-10-06 Thread Kais Ahmed
Hi all, I'm a bit stuck , i want to expand my cluster C* 2.0.6 but i encountered an error on the new node. ERROR [FlushWriter:2] 2014-10-06 16:15:35,147 CassandraDaemon.java (line 199) Exception in thread Thread[FlushWriter:2,5,main] java.lang.AssertionError: 394920 at

Re: Migration from Cassandra 1.2.5 to Cassandra 2.0.8 with changed partitioner settings

2014-07-30 Thread Kais Ahmed
hi tsi, You have you upgrade to 1.2.9 first. 2.0.0 = Upgrading - - Java 7 is now *required*! - Upgrading is ONLY supported from Cassandra 1.2.9 or later. This goes for sstable compatibility as well as network. When upgrading from an earlier release, upgrade to

Re: Migration from Cassandra 1.2.5 to Cassandra 2.0.8 with changed partitioner settings

2014-07-30 Thread Kais Ahmed
...@critica.io: No idea if this will help, but have you tried the sstable2json and json2sstable utilities to output json from your old cluster and import it into the new one? On Wed, Jul 30, 2014 at 1:40 AM, Kais Ahmed k...@neteck-fr.com wrote: hi tsi, You have you upgrade to 1.2.9 first

Re: MemtablePostFlusher and FlushWriter

2014-07-17 Thread Kais Ahmed
:14 PM, Kais Ahmed k...@neteck-fr.com wrote: Hi chris, christan, Thanks for reply, i'm not using DSE. I have in the log files, this error that appear two times. ERROR [FlushWriter:3456] 2014-07-01 18:25:33,607 CassandraDaemon.java (line 196) Exception in thread Thread[FlushWriter:3456,5

Re: MemtablePostFlusher and FlushWriter

2014-07-16 Thread Kais Ahmed
. When they fail it usually means there is something wrong with the commitlog files. Check your logfiles for any commitlog related errors. regards, Christian On Tue, Jul 15, 2014 at 7:03 PM, Kais Ahmed k...@neteck-fr.com wrote: Hi all, I have a small cluster (2 nodes RF 2) running

MemtablePostFlusher and FlushWriter

2014-07-15 Thread Kais Ahmed
Hi all, I have a small cluster (2 nodes RF 2) running with C* 2.0.6 on I2 Extra Large (AWS) with SSD disk, the nodetool tpstats shows many MemtablePostFlusher pending and FlushWriter All time blocked. The two nodes have the default configuration. All CF use size-tiered compaction strategy.

Re: Crash with TombstoneOverwhelmingException

2013-12-27 Thread Kais Ahmed
This threshold is to prevent bad performance, you can increase the value 2013/12/27 Sanjeeth Kumar sanje...@exotel.in Thanks for the replies. I dont think this is just a warning , incorrectly logged as an error. Everytime there is a crash, this is the exact traceback I see in the logs. I

Re: Crash with TombstoneOverwhelmingException

2013-12-27 Thread Kais Ahmed
You can read the comments about this new feature here : https://issues.apache.org/jira/browse/CASSANDRA-6117 2013/12/27 Kais Ahmed k...@neteck-fr.com This threshold is to prevent bad performance, you can increase the value 2013/12/27 Sanjeeth Kumar sanje...@exotel.in Thanks

Re: Configuration of multiple nodes in a single machine

2013-12-02 Thread Kais Ahmed
You can try https://github.com/pcmanus/ccm 2013/12/2 Santosh Shet santosh.s...@vista-one-solutions.com Hi, I have requirement to setup multiple nodes to the existing single node Cassandra cluster. I am new to Cassandra and I don’t have idea whether do I need to setup multiple nodes in

ccm and loading data

2013-10-30 Thread Kais Ahmed
Hi all, I'm trying to do some test using ccm (https://github.com/pcmanus/ccm), how can import data into ? i copied some sstables from production but ccm nod1 refresh do not exist. can anyone tell me which method can i use ? Thanks,

Re: MemtablePostFlusher pending

2013-10-24 Thread Kais Ahmed
http://www.thelastpickle.com On 23/10/2013, at 9:50 PM, Kais Ahmed k...@neteck-fr.com wrote: Thanks robert, For info if it helps to fix the bug i'm starting the downgrade, i restart all the node and do a repair and there are a lot of error like this : EERROR [ValidationExecutor:2] 2013-10

Re: MemtablePostFlusher pending

2013-10-23 Thread Kais Ahmed
(Thread.java:724) 2013/10/22 Robert Coli rc...@eventbrite.com On Mon, Oct 21, 2013 at 11:57 PM, Kais Ahmed k...@neteck-fr.com wrote: I will try to create a new cluster 1.2 and copy data, can you tell me please the best pratice to do this, do i have to use sstable2json / json2sstable

Re: MemtablePostFlusher pending

2013-10-22 Thread Kais Ahmed
. Thanks, 2013/10/21 Robert Coli rc...@eventbrite.com On Mon, Oct 21, 2013 at 2:17 AM, Kais Ahmed k...@neteck-fr.com wrote: We have recently run in production a new cluster C* 2.0.0 with 3 nodes RF 3. https://engineering.eventbrite.com/what-version-of-cassandra-should-i-run/ What Version

Re: How to determine which node(s) an insert would go to in C* 2.0 with vnodes?

2013-10-08 Thread Kais Ahmed
hi, you can try : nodetool getendpoints keyspace cf key - Print the end points that owns the key 2013/10/8 Christopher Wirt chris.w...@struq.com In CQL there is a token() function you can use to find the result of your partitioning schemes hash function for any value. ** ** e.g.

Re: Connecting to a remote cassandra node..

2013-09-27 Thread Kais Ahmed
hello, you have to check listen_address in cassandra.yaml, change the localhost value by the ip of the machine and restart cassandra 2013/9/27 Krishna Chaitanya bnsk1990r...@gmail.com Hello, I am relatively new to cassandra. I am using a library called libQtCassandra for accesing

Re: Installing specific version

2013-07-05 Thread Kais Ahmed
Hi ben, You can get it from http://archive.apache.org/dist/cassandra/ 2013/7/5 Ben Gambley ben.gamb...@intoscience.com Hi all Can anyone point me in the right direction for installing a specific version from datastax repo, we need 1.2.4 to keep consistent with our qa environment. It's

Re: Cassandra read reapair

2013-05-29 Thread Kais Ahmed
http://www.thelastpickle.com On 27/05/2013, at 10:01 PM, Kais Ahmed k...@neteck-fr.com wrote: Hi aaron, I was sure that phpcassa use QUORUM for W and R by default, but you're right, the default CL for R AND W is ONE. We are in this configuration W + R N, how can i do to repair some keys

Re: Buggy JRE error

2013-05-27 Thread Kais Ahmed
Hi chiddu, You have to configure your operating system to use the Oracle JRE instead of OpenJDK. http://www.datastax.com/docs/1.0/install/install_jre 2013/5/27 S Chidambaran chi...@gmail.com I get these errors frequently as Cassandra starts up. I'm using the official Java distribution from

Re: Cassandra read reapair

2013-05-27 Thread Kais Ahmed
Hi aaron, I was sure that phpcassa use QUORUM for W and R by default, but you're right, the default CL for R AND W is ONE. We are in this configuration W + R N, how can i do to repair some keys that always return inconsistent data. Thanks, 2013/5/24 Kais Ahmed k...@neteck-fr.com Hi

Re: Cassandra read reapair

2013-05-24 Thread Kais Ahmed
/2013, at 8:55 PM, Kais Ahmed k...@neteck-fr.com wrote: Checking you do not mean the row key is corrupt and cannot be read. Yes, i can read it but all read don't return the same result except for CL ALL By default in 1.X and beyond the default read repair chance is 0.1, so it's only enabled

Re: Cassandra read reapair

2013-05-21 Thread Kais Ahmed
writes all reads (at any CL) should return the same value. What CL are you writing at ? Cheers - Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 19/05/2013, at 1:28 AM, Kais Ahmed k...@neteck-fr.com wrote: Hi all, I

Cassandra read reapair

2013-05-18 Thread Kais Ahmed
Hi all, I encountered a consistency problem one some keys using phpcassa and Cassandra 1.2.3 since a server crash Only some keys of one CF are corrupt. I lauched a nodetool repair that successfully completed but don't correct the issue. When i try to get a corrupt Key with : CL ONE, the

Re: Moving cluster

2013-04-22 Thread Kais Ahmed
://www.thelastpickle.com On 20/04/2013, at 3:43 AM, Kais Ahmed k...@neteck-fr.com wrote: Hello and thank you for your answers. The first solution is much easier for me because I use the vnode. What is the risk of the first solution thank you, 2013/4/18 aaron morton aa...@thelastpickle.com

Re: Moving cluster

2013-04-19 Thread Kais Ahmed
if you already have these token used. And then just decommission x1Large nodes. You should be good to go. 2013/4/18 Kais Ahmed k...@neteck-fr.com Hi, What is the best pratice to move from a cluster of 7 nodes (m1.xlarge) to 3 nodes (hi1.4xlarge). Thanks,

Moving cluster

2013-04-18 Thread Kais Ahmed
Hi, What is the best pratice to move from a cluster of 7 nodes (m1.xlarge) to 3 nodes (hi1.4xlarge). Thanks,

Re: Lost data after expanding cluster c* 1.2.3-1

2013-04-16 Thread Kais Ahmed
with Submitting index build of end with Index build of Cheers - Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 7/04/2013, at 12:55 AM, Kais Ahmed k...@neteck-fr.com wrote: hi aaron, nodetool compactionstats on all nodes

Re: Lost data after expanding cluster c* 1.2.3-1

2013-04-06 Thread Kais Ahmed
- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 1/04/2013, at 9:26 PM, Kais Ahmed k...@neteck-fr.com wrote: At this moment the errors started, we see that members and other data are gone, at this moment the nodetool status

Re: Lost data after expanding cluster c* 1.2.3-1

2013-04-01 Thread Kais Ahmed
Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 31/03/2013, at 10:01 PM, Kais Ahmed k...@neteck-fr.com wrote: Hi aaron, Thanks for reply, i will try to explain what append exactly I had 4 C* called [A,B,C,D] cluster (1.2.3-1 version) start with ec2 ami (https

Re: Lost data after expanding cluster c* 1.2.3-1

2013-03-31 Thread Kais Ahmed
Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 29/03/2013, at 8:01 PM, Kais Ahmed k...@neteck-fr.com wrote: Hi all, I follow this tutorial for expanding a 4 c* cluster (production) and add 3 new nodes. Datacenter: eu-west === Status

Lost data after expanding cluster c* 1.2.3-1

2013-03-29 Thread Kais Ahmed
Hi all, I follow this tutorial for expanding a 4 c* cluster (production) and add 3 new nodes. Datacenter: eu-west === Status=Up/Down |/ State=Normal/Leaving/Joining/Moving -- Address Load Tokens Owns Host ID Rack UN 10.34.142.xxx