I use nagios + nrpe + some custom scripts to monitor our cassandra/hadoop
nodes. Given our long time comfortability with nagios, i didn't find any
major gotchas ..
regards
ranjib
On Mon, Sep 13, 2010 at 2:10 AM, Aaron Morton wrote:
> This is my first encounter with cacti, and it's feels a lot lik
I'm looking at how to achieve a search on several separate fields.
Before 0.7.0 this would mean separate indexes maintained by explicit
mutations by the client. Recently automatic secondary indexes were
added to 0.7.0. I have several indexes. My index row keys are
composite keys. All the indexes ar
Thanks for the replies Jonathan...Couple more clarifications(in bold)
From: Jonathan Ellis
To: user@cassandra.apache.org
Sent: Sun, September 12, 2010 1:47:09 PM
Subject: Re: Couple of cache related questions
On Sun, Sep 12, 2010 at 2:56 PM, kannan chandraseka
On Sun, Sep 12, 2010 at 2:56 PM, kannan chandrasekaran
wrote:
> 1) What determines the amount of memory used per schema ignoring the general
> overhead to get cassandra up and running? Is it just the size of the caches
> for the column Family + the memtable size ?
and the bloom filter and index
This is my first encounter with cacti, and it's feels a lot like having a cactus violently inserted in me :) Hopefully this week I can get back to it with a clearer head, part of my annoyance was probably trying to rush it through on a Friday and it's somewhat taxing configuration. Over the weekend
Thanks but this is an internal only application. CheersAaronOn 13 Sep, 2010,at 04:39 AM, Dave Viner wrote:I haven't tried cacti, but I'm using CloudKick as an external service for monitoring Cassandra. It's super easy to get setup. Happy to share my setup if that'd help.It doesn't currently moni
1) What determines the amount of memory used per schema ignoring the general
overhead to get cassandra up and running? Is it just the size of the caches
for
the column Family + the memtable size ?
2) Is the size of the cache configured ( in terms of absolute numbers or
percentages), an upper
Thank you for the clarification...very helpful
Kannan
From: Rob Coli
To: user@cassandra.apache.org
Sent: Fri, September 10, 2010 12:55:14 PM
Subject: Re: How to drop a keyspace in 0.6.5?
On 9/10/10 10:10 AM, kannan chandrasekaran wrote:
> Thank you for the re
I haven't tried cacti, but I'm using CloudKick as an external service for
monitoring Cassandra. It's super easy to get setup. Happy to share my
setup if that'd help.
It doesn't currently monitor JMX information, but it does offer some basic
checks like thread pool and column family stats -
https