Re: memory usage
From: Gerard H. Pille <ghp_at_skynet.be>
Date: Thu, 01 Mar 2012 22:08:19 +0100
Message-ID: <4f4fe522$0$5053$ba620e4c_at_news.skynet.be>
rvaede wrote:
> On Mar 1, 1:13 pm, "Gerard H. Pille"<g..._at_skynet.be> wrote:
>> rvaede wrote:
>>> I have a server Redhat 4 and running Oracle 11 thats slow and
>>> consumming a lot of memory and its constant.
>>> Server has 16 GB of RAM.
>>> I am a linux administrator so I am not familiar with the Oracle config
>>> files.
>>> I also noticed that the cached is consumming about 9 GB.
>>> Would you have any advise on how to tackle this.
>>
>> As was said before, using all your memory is no problem. Using more than wat you have may be, if
>> the system starts swapping. Check pi an po columns in vmstat (or would that be si/so?).
>>
>> But you say the system is slow, response is slow. Response to which question?
>
> This is what the vmstat is displaying: the bi and so are 0. What
> about the cache is over 10GB.
> Its oracle OHS using Apache, the portal thats being displayed is
> webcenter. Its very low.
>
>
Date: Thu, 01 Mar 2012 22:08:19 +0100
Message-ID: <4f4fe522$0$5053$ba620e4c_at_news.skynet.be>
rvaede wrote:
> On Mar 1, 1:13 pm, "Gerard H. Pille"<g..._at_skynet.be> wrote:
>> rvaede wrote:
>>> I have a server Redhat 4 and running Oracle 11 thats slow and
>>> consumming a lot of memory and its constant.
>>> Server has 16 GB of RAM.
>>> I am a linux administrator so I am not familiar with the Oracle config
>>> files.
>>> I also noticed that the cached is consumming about 9 GB.
>>> Would you have any advise on how to tackle this.
>>
>> As was said before, using all your memory is no problem. Using more than wat you have may be, if
>> the system starts swapping. Check pi an po columns in vmstat (or would that be si/so?).
>>
>> But you say the system is slow, response is slow. Response to which question?
>
> This is what the vmstat is displaying: the bi and so are 0. What
> about the cache is over 10GB.
> Its oracle OHS using Apache, the portal thats being displayed is
> webcenter. Its very low.
>
>
How low can you go?
This machine is asleep, no wait and a 100% idle. A web server being slow can be a network problem, otherwise I'd start looking elsewhere. Oracle Portal uses a database. On which machine is that one running? Received on Thu Mar 01 2012 - 15:08:19 CST