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From Ryan Rawson <ryano...@gmail.com>
Subject Re: Simple OOM crash?
Date Mon, 20 Dec 2010 20:07:01 GMT
Hi,

That page describes the behaviour of jrockit.  From what I have found
reading the code, there is a limit but I forget what it is.

-ryan

On Mon, Dec 20, 2010 at 10:47 AM, Sandy Pratt <prattrs@adobe.com> wrote:
> Just to close the loop on this, the default direct memory size is unbounded:
>
> http://download.oracle.com/docs/cd/E15289_01/doc.40/e15062/optionxx.htm#BABGCFFB
>
>
>
> -XX:MaxDirectMemorySize
>
> This option specifies the maximum total size of java.nio (New I/O package) direct buffer
allocations.
>
> Format
>
> -XX:MaxDirectMemorySize=size[g|G|m|M|k|K]
>
> Example
>
> java -XX:MaxDirectMemorySize=2g myApp
>
> Default Value
>
> The default value is zero, which means the maximum direct memory is unbounded.
>
>
>
>> -----Original Message-----
>> From: Todd Lipcon [mailto:todd@cloudera.com]
>> Sent: Sunday, December 19, 2010 14:57
>> To: user@hbase.apache.org
>> Subject: Re: Simple OOM crash?
>>
>> On Fri, Dec 17, 2010 at 7:37 PM, Sandy Pratt <prattrs@adobe.com> wrote:
>>
>> > -XX:MaxDirectMemorySize=100m
>>
>> Yep, I always leave that at the default, whatever that might be.
>>
>> -Todd
>> --
>> Todd Lipcon
>> Software Engineer, Cloudera
>

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