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From John Turner <tomcat-u...@johnturner.com>
Subject Re: Hardware and Memory Requirements
Date Thu, 07 Aug 2003 19:01:35 GMT

There should be no surprise.

For Tomcat alone, perhaps about 20MB disk (plus whatever you want for 
logs) and for RAM, you could do fine with 128MB.

What you are missing, and what other people have pointed out, is that 
every single web application that you would use with Tomcat is 
different.  Your web app might need 1 GB of RAM, mine might need 128MB, 
for a whole number of reasons.

There is no way anyone can give you specs for RAM, disk, etc. for Tomcat 
other than just getting Tomcat to start.  After that, all resource usage 
will be 100% variable depending on the number of webapps, the quality of 
the code, and the efficiency of the architecture.

So, don't be surprised...you've essentially asked a question that is 
impossible to answer.

John

kmk kumar wrote:

> Thanks Mourad
> 
> I am surpised that I could not find any document which talks about 
> hardware and memory requirements for installing and running tomcat. I 
> have other other applications running on the system and without the 
> memory and h/w requirements it will be difficult for me.
> 
> Thanks
> 
> 
>> From: mourad jaber <mjaber@centralpay.net>
>> Reply-To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
>> To: Tomcat Users List <tomcat-user@jakarta.apache.org>
>> Subject: Re: Hardware and Memory Requirements
>> Date: Thu, 07 Aug 2003 10:24:36 +0200
>>
>> There are no clear responses depending usage of tomcat !
>> As a production plateform ( linux ), I'm using P4 2.4G with 1Go of ram 
>> and as I'm using a data base on an other machine I don't take care of 
>> the disk size but i't mirrored 18Go SCSI...
>> As my dev plateform( linux ) is P3 1Go/512Mo of Ram and it is really 
>> to much !
>> But my webapp is using lot's of memory by formatting on the fly pdf, 
>> rtf and gif files so I set my jvm environement to 512Mo, but basically 
>> I think it set to 128 ( please correct if I'm wrong )...
>> but I have an other tomcat runing on a shared plateform ( window$ )  
>> with several M$ asp web sites ( about 200000 hits/day ) and my tomcat 
>> is runing well with an isapi filter to work with IIS and it is a bi-P3 
>> Xeon 900Mhz with 2Go of ECC sdram and about 200Go of hard drives... 
>> And it work very well for a year :)
>>
>> So if it is only to try some basic webapps, don't worry, every today's 
>> hardware configuration is enough to run tomcat ;)
>>
>> Mourad
>>
>> kmk kumar wrote:
>>
>>> Hi
>>>
>>> Is there a document which talks about the hardware and memory 
>>> requirements based on the platform on which tomcat is installed.
>>>
>>> specifically looking for
>>> 1. How much disk space and memory does it require to install it.
>>> 2. How much memory it takes to run it.
>>>
>>>
>>> Thanks for any help.
>>>
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>>>
>>
>>
>>
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