Re: Query regarding spark on cassandra

2016-04-27 Thread Siddharth Verma
Edit: 1. dc2 node has been removed. nodetool status shows only active nodes. 2. Repair done on all nodes. 3. Cassandra restarted Still it doesn't solve the problem. On Thu, Apr 28, 2016 at 9:00 AM, Siddharth Verma < verma.siddha...@snapdeal.com> wrote: > Hi, If the info could be used > we ar

Re: Query regarding spark on cassandra

2016-04-27 Thread Siddharth Verma
Hi, If the info could be used we are using two DCs dc1 - 3 nodes dc2 - 1 node however, dc2 has been down for 3-4 weeks, and we haven't removed it yet. spark slaves on same machines as the cassandra nodes. each node has two instances of slaves. spark master on a separate machine. If anyone could

RE: Inconsistent Reads after Restoring Snapshot

2016-04-27 Thread Anuj Wadehra
No.We are not saving them.I have never read that in DataStax documentation. ThanksAnuj Sent from Yahoo Mail on Android On Thu, 28 Apr, 2016 at 12:45 AM, sean_r_dur...@homedepot.com wrote: What about the commitlogs? Are you saving those off anywhere in between the snapshot and the crash?

RE: Inconsistent Reads after Restoring Snapshot

2016-04-27 Thread SEAN_R_DURITY
What about the commitlogs? Are you saving those off anywhere in between the snapshot and the crash? Sean Durity From: Anuj Wadehra [mailto:anujw_2...@yahoo.co.in] Sent: Monday, April 25, 2016 10:26 PM To: User Subject: Inconsistent Reads after Restoring Snapshot Hi, We have 2.0.14. We use RF=

Query regarding spark on cassandra

2016-04-27 Thread Siddharth Verma
Hi, I dont know, if someone has faced this problem or not. I am running a job where some data is loaded from cassandra table. From that data, i make some insert and delete statements. and execute it (using forEach) Code snippet: boolean deleteStatus= connector.openSession().execute(delete).wasAppl

RE: how expensive is light weight transaction: if not exists

2016-04-27 Thread Jacques-Henri Berthemet
Hi, You can’t batch LWT if they don’t work on the same partition. So in your below queries all the values of “id” must be the same. -- Jacques-Henri Berthemet From: y2k...@gmail.com [mailto:y2k...@gmail.com] On Behalf Of Jimmy Lin Sent: mercredi 27 avril 2016 18:14 To: user@cassandra.apache.org

Re: MX4J support broken in cassandra 3.0.5?

2016-04-27 Thread Fabien Rousseau
Hi Robert, This could be related to: https://issues.apache.org/jira/plugins/servlet/mobile#issue/CASSANDRA-9242 (Maybe you can try to comment this option and try again) Le 27 avr. 2016 15:21, "Robert Sicoie" a écrit : > Hi guys, > > I'm upgrading from cassandra 2.1 to cassandra 3.0.5 and mx4j su

how expensive is light weight transaction: if not exists

2016-04-27 Thread Jimmy Lin
hi all, we like to consider using light weight transaction like the following: begin batch: update table set x=y where id=A if not exists; update table set x=y where id=B if not exists; update table set x=y where id=C if not exists; update table set x=y where id=D if not exists; apply batch (using

MX4J support broken in cassandra 3.0.5?

2016-04-27 Thread Robert Sicoie
Hi guys, I'm upgrading from cassandra 2.1 to cassandra 3.0.5 and mx4j support seems to be broker. An empty html page is shown: > GET / HTTP/1.1 > Host: localhost:8081 > User-Agent: curl/7.43.0 > Accept: */* > * HTTP 1.0, assume close after body < HTTP/1.0 200 OK < expires: now < Server: MX4J-H