Re: Maintaining counter column consistency

2013-10-02 Thread Haithem Jarraya
Hi Ben, If you make sure R + W N you should be fine. Have a read of this http://www.slideshare.net/benjaminblack/introduction-to-cassandra-replication-and-consistency Thanks, H On 1 Oct 2013, at 18:29, Ben Hood 0x6e6...@gmail.comhttp://gmail.com wrote: Hi, We're maintaining a bunch of

DSE 3.1.1 null rpc_address in system.peers

2013-08-27 Thread Haithem Jarraya
Hi All, We have just installed 3 nodes in QA with DSE version 3.1, I can see in JMX that the version installed is 3.1.1 to be precise. When our application start we see this error message from the java-datastax driver 1.0.2 : No rpc_address found for host /X.X.X.3 in node3/X.X.X.3's peers

Re: Automatic tombstone compaction

2013-08-21 Thread Haithem Jarraya
Hi, do you mean LeveledCompactionStrategy? Also you will need to run nodetool upgradesstables [keyspace][cf_name] after changing the compaction strategy. Thanks, Haithem Jarraya On 21 Aug 2013, at 15:15, tamas.fold...@thomsonreuters.commailto:tamas.fold...@thomsonreuters.com wrote: Hi

Re: Automatic tombstone compaction

2013-08-21 Thread Haithem Jarraya
/index.html#cassandra/operations/ops_about_config_compact_c.html I just had to include the ‘class’ in the alter statement, otherwise it would not accept my command. Is that not right? Thanks, Tamas From: Haithem Jarraya [mailto:a-hjarr...@expedia.commailto:hjarr...@expedia.com] Sent: 21. august 2013

Re: Reducing the number of vnodes

2013-08-05 Thread Haithem Jarraya
Chris, Which C* version are you running? You might want to do an upgrade to the latest version before reducing the vnode counts, a lot of fixes and improvement went in lately, it might help you getting your repair faster. H On 5 Aug 2013, at 12:30, Christopher Wirt

Token Aware Routing: Routing Key Vs Composite Key with vnodes

2013-07-11 Thread Haithem Jarraya
Hi All, I am a bit confused on how the underlying token aware routing is working in the case of composite key. Let's say I have a column family like this USERS( uuid userId, text firstname, text lastname, int age, PRIMARY KEY(userId, firstname, lastname)) My question is do we need to have the

Re: Partitioner type

2013-07-04 Thread Haithem Jarraya
yes, you can query local CF in system keyspace: select partitioner from system.local; H On 4 July 2013 13:02, Vivek Mishra mishra.v...@gmail.com wrote: Hi, Is it possible to know, type of partitioner programmitcally at runtime? -Vivek

Thrift threads proliferation

2013-06-14 Thread Haithem Jarraya
Hi All, We are facing a very strange issue in our C* ring. We are using C* v1.2.4, 7 Nodes in DC1, 3 Nodes in DC2 and 3 Nodes in DC3. We have been testing read/write performances in DC1, by having different disks configurations. For instance we have node1-DC1 use JBOD and node2-DC1 is using

Re: Repair Hanging C* 1.2.4

2013-05-02 Thread Haithem Jarraya
range with -st and -et option. How do you start repair? -- Yuki Morishita Sent with Airmail On May 2, 2013 at May 2, 2013, Haithem Jarraya (haithem.jarr...@struq.com) wrote: Hi All, Cassandra repair has been a real pain for us and it’s holding back our migration from mongo

Repair session failed

2013-05-01 Thread Haithem Jarraya
Hi, I am seeing this error message during repair, INFO [AntiEntropyStage:1] 2013-05-01 14:30:54,300 AntiEntropyService.java (line 764) [repair #ed104480-b26a-11e2-af9b-05179fa66b76] mycolumnfamily is fully synced (1 remaining column family to sync for this session) ERROR [Thread-12725]

Re: Repair session failed

2013-05-01 Thread Haithem Jarraya
succeed. ** ** *From:* Haithem Jarraya [mailto:haithem.jarr...@struq.com] *Sent:* Wednesday, May 01, 2013 5:46 PM *To:* user@cassandra.apache.org *Subject:* Repair session failed ** ** Hi, ** ** I am seeing this error message during repair, ** ** INFO

Re: Accessing timestamp of a cassandra column Using CQL3

2013-03-14 Thread Haithem Jarraya
- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 13/03/2013, at 10:19 AM, Haithem Jarraya haithem.jarr...@struq.com wrote: Hi there, I am wondering if it's possible to access the timestamp of a cassandra column via

Long running nodetool repair

2013-02-19 Thread Haithem Jarraya
Hi, I am new to Cassandra and I am not sure if this is the normal behavior but nodetool repair runs for too long even for small dataset per node. As I am writing I started a nodetool repair last night at 18:41 and now it's 9:18 and it's still running, the size of my data is only ~500mb per node.

[nodetool] repair with vNodes

2013-02-15 Thread Haithem Jarraya
Hi, I am new to Cassandra and I would like to hear your thoughts on this. We are running our tests with Cassandra 1.2.1, in relatively small dataset ~60GB. Nodetool repair command has been running for almost 24hours and I can't see any activity from the logs or JMX. What am I missing? Or