cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Aaron Morton <aa...@thelastpickle.com>
Subject Re: Health of the cluster
Date Sun, 20 Feb 2011 19:01:41 GMT
Have a read of this page http://wiki.apache.org/cassandra/Operations


Aaron
On 18/02/2011, at 12:40 PM, mcasandra <mohitanchlia@gmail.com> wrote:

> 
> I have just started setting up Hector. I have 2 node cluster running in
> "foreground" for my test so that I can watch everything. One big question
> came to my mind that as I increase the cluster how do I verify the health of
> the cluster. How do I see that it is all good. 
> 
> Since I am new I can't quantify from what I mean by in good health. But I
> guess what I mean is that key distributions are fine. 
> 
> CF levels are being maintained for the keys. 
> 
> Check consistency, how many stale or old object versions are sitting around.
> 
> Also, do I need to repair/cleanup anything etc.
> 
> I have been using Oracle so far so in Oracle for instance I look at ADDM/AWR
> report or internal tables (dba*) tables that will give more insight. 
> 
> Here things become more complicated because of RF, hinted hand off etc.
> -- 
> View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Health-of-the-cluster-tp6038092p6038092.html
> Sent from the cassandra-user@incubator.apache.org mailing list archive at Nabble.com.

Mime
View raw message