Re: Scenarios which need Repair

2016-02-09 Thread Carlos Alonso
Hi Anuj. I don't think this decision depends on you scenario, but on your write consistency level instead. Maintenance repair is an anti-entropy operation intended to make all nodes consistent. Think of the situation where, with one DC, one of your nodes is down (or being replaced) for a while (

Re: Scenarios which need Repair

2016-02-09 Thread Anuj Wadehra
Hi, Can someone take this? ThanksAnuj On Mon, 8 Feb, 2016 at 11:44 pm, Anuj Wadehra wrote: Hi, Setup: We are on 2.0.14. We have some deployments with just one DC(RF:3) while others with two DCs (RF:3,RF:3). We ALWAYS use LOCAL_QUORUM for both Reads and Writes. Scenario: ---

Scenarios which need Repair

2016-02-08 Thread Anuj Wadehra
Hi, Setup: We are on 2.0.14. We have some deployments with just one DC(RF:3) while others with two DCs (RF:3,RF:3). We ALWAYS use LOCAL_QUORUM for both Reads and Writes. Scenario: - We used to run nodetool repair on all tables every gc_grace_seconds. Recently, we decided to id