RE: Question on Read Repair

2016-11-03 Thread Anubhav Kale
Subject: Re: Question on Read Repair Yes: https://github.com/apache/cassandra/blob/81f6c784ce967fadb6ed7f58de1328e713eaf53c/src/java/org/apache/cassandra/db/ConsistencyLevel.java#L286 From: Anubhav Kale <anubhav.k...@microsoft.com<mailto:anubhav.k...@microsoft.com>> Rep

Re: Question on Read Repair

2016-10-11 Thread Jeff Jirsa
Date: Tuesday, October 11, 2016 at 11:45 AM To: "user@cassandra.apache.org" <user@cassandra.apache.org> Subject: RE: Question on Read Repair Thank you. Interesting detail. Does it work the same way for other consistency levels as well ? From: Jeff Jirsa [mailto:jeff

RE: Question on Read Repair

2016-10-11 Thread Anubhav Kale
Thank you. Interesting detail. Does it work the same way for other consistency levels as well ? From: Jeff Jirsa [mailto:jeff.ji...@crowdstrike.com] Sent: Tuesday, October 11, 2016 10:29 AM To: user@cassandra.apache.org Subject: Re: Question on Read Repair If the failuredetector knows

Re: Question on Read Repair

2016-10-11 Thread Edward Capriolo
This is theory but not the all practice. The failure detector heartbeats is a process happening outside the read. Take for example a cluster with Replication Factor 3. At time('1) the failure detector might read three nodes as UP. A request "soon after '1" issued at time(`2) might start a read

Re: Question on Read Repair

2016-10-11 Thread Jeff Jirsa
If the failuredetector knows that the node is down, it won’t attempt a read, because the consistency level can’t be satisfied – none of the other replicas will be repaired. From: Anubhav Kale Reply-To: "user@cassandra.apache.org"

Re: Question on Read Repair

2012-09-18 Thread Vijay
Yes, If you are using 1.1 take a look at: dclocal_read_repair_chance and read_repair_chance CF settings. Regards, /VJ On Sun, Sep 16, 2012 at 5:03 PM, Raj N raj.cassan...@gmail.com wrote: Hi, I have a 2 DC setup(DC1:3, DC2:3). All reads and writes are at LOCAL_QUORUM. The question is