On 19/02/2012 21:55, Aditya Gupta wrote:
Is there anything to do with running cassandra on a VMware ubuntu instance !? I am trying Cassandra on VMware ubuntu server instance.
I am doing that for the past couple of weeks both on VMWare player and on ESXi in development and it works fine.
My Ubuntu is 11.10, cassandra 1.0.7.
I followed the directions in datastax site for installation.
Tamar

On Sun, Feb 19, 2012 at 2:45 AM, Aditya Gupta <ady...@gmail.com <mailto:ady...@gmail.com>> wrote:

    In my case, after installing cassandra, as soon as the server is
    started it hangs on it own (totally unresponsive).

    It had openJDK-6's jdk & jre implementations.


    On Sat, Feb 18, 2012 at 10:30 PM, Guy Incognito <dnd1...@gmail.com
    <mailto:dnd1...@gmail.com>> wrote:

        perhaps entirely unrelated, but somebody was asking about
        lockups on EC2 yesterday and found:
        http://wiki.apache.org/cassandra/FAQ#ubuntu_hangs


        On 18/02/2012 14:58, Aditya Gupta wrote:
        Am I installing it the right way ? While installing I didn't
        verify the signatures using public key.

        On Sat, Feb 18, 2012 at 8:21 PM, Aditya Gupta
        <ady...@gmail.com <mailto:ady...@gmail.com>> wrote:

            No data at all. just a fresh installation


            On Sat, Feb 18, 2012 at 6:57 PM, R. Verlangen
            <ro...@us2.nl <mailto:ro...@us2.nl>> wrote:

                You might want to check your Cassandra logs, they
                contain important information that might lead you to
                the actual cause of the problems.

                2012/2/18 Aditya Gupta <ady...@gmail.com
                <mailto:ady...@gmail.com>>

                    Thanks! But what about the 100% cpu consumption
                    that is causing the server to hang?


                    On Sat, Feb 18, 2012 at 6:19 PM, Watanabe Maki
                    <watanabe.m...@gmail.com
                    <mailto:watanabe.m...@gmail.com>> wrote:

                        I haven't use the packaged kit, but Cassandra
                        uses half of physical memory on your system
                        by default.
                        You need to edit cassandra-env.sh to decrease
                        heap size.
                        Update MAX_HEAP_SIZE and NEW_HEAP_SIZE and
                        restart.

                        From iPhone


                        On 2012/02/18, at 20:40, Aditya Gupta
                        <ady...@gmail.com <mailto:ady...@gmail.com>>
                        wrote:

                        I just installed Cassandra on my ubuntu
                        server by adding the following to the
                        sources list:

                            deb
                            http://www.apache.org/dist/cassandra/debian
                            10x main
                            deb-src
                            http://www.apache.org/dist/cassandra/debian
                            10x main


                        Soon after install I started getting OOM
                        errors & then the server became
                        unresponsive. I added more RAM to the server
                        but found that cassandra was consuming 100%
                        CPU & 1GB RAM as soon the server was being
                        started. Why is this happening & how can get
                        it to normal conditions ?










--
Tamar Fraenkel
Senior Software Engineer, TOK Media

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