Query on blob col using CQL3

2014-02-28 Thread Senthil, Athinanthny X. -ND
Anyone can suggest how to query on blob column via CQL3. I get bad request error saying cannot parse data. I want to lookup on key column which is defined as blob. But I am able to lookup data via opscenter data explorer. Is there a conversion functions I need to use? Sent from my Galaxy

RE: Hector Could not flush transport error

2014-02-10 Thread Senthil, Athinanthny X. -ND
Version is C 1.2.6. We use DSE 3.1.3 From: Robert Coli [mailto:rc...@eventbrite.com] Sent: Friday, February 07, 2014 4:17 PM To: user@cassandra.apache.org Subject: Re: Hector Could not flush transport error On Fri, Feb 7, 2014 at 4:05 PM, Senthil, Athinanthny X. -ND mailto:athinanthny.x.senthil

Hector Could not flush transport error

2014-02-07 Thread Senthil, Athinanthny X. -ND
We get the below error in app logs when it's trying to hit DC which doesn't get traffic in multi DC cluster. But other DC where all traffic hits seems to be responding without any issues. App read/write requests are timing out. Hector client version is 1.0.5. On cassandra side , we are getting s

socket timeout errors in one DC in a multi DC cluster

2014-02-03 Thread Senthil, Athinanthny X. -ND
Experiencing socket timeout errors in one DC in most of the nodes in multi dc cluster. Here is error. Client is having intermittent high response time issues in this DC. DC1 does not experience any timeout issues, but DC2 does though. This error started occurring recently and repeats cons

Restoring keyspace using snapshots

2014-01-29 Thread Senthil, Athinanthny X. -ND
Plan to backup and restore keyspace from PROD to PRE-PROD cluster which has same number of nodes. Keyspace will have few hundred millions of rows. We need to do this every other week. Which one of the below options most time-efficient and puts less stress on target cluster ? We want to finish

Replication Latency between cross data centers

2013-12-30 Thread Senthil, Athinanthny X. -ND
I want to determine data replication latency between data centers. Is there any metrics that is available to capture it in JConsole or other ways?