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From Aditya Gupta <ady...@gmail.com>
Subject Re: Newbie Question: Cassandra consuming 100% CPU on ubuntu server
Date Sun, 19 Feb 2012 19:55:49 GMT
Is there anything to do with running cassandra on a VMware ubuntu instance
!? I am trying Cassandra on VMware ubuntu server instance.

On Sun, Feb 19, 2012 at 2:45 AM, Aditya Gupta <adynnn@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 <dnd1066@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 <adynnn@gmail.com> wrote:
>>
>>> No data at all. just a fresh installation
>>>
>>>
>>> On Sat, Feb 18, 2012 at 6:57 PM, R. Verlangen <robin@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 <adynnn@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.maki@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 <adynnn@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
?
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>>
>

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