On Thu, Feb 25, 2010 at 11:09 AM, Scott Carey wrote:
> On Feb 15, 2010, at 9:54 PM, Todd Lipcon wrote:
>
> > Hey all,
> >
> > Just a note that you should avoid upgrading your clusters to 1.6.0u18.
> > We've seen a lot of segfaults or bus errors on the DN when running
> > with this JVM - Stack foun
On Feb 15, 2010, at 9:54 PM, Todd Lipcon wrote:
> Hey all,
>
> Just a note that you should avoid upgrading your clusters to 1.6.0u18.
> We've seen a lot of segfaults or bus errors on the DN when running
> with this JVM - Stack found the ame thing on one of his clusters as
> well.
>
Have you see
Todd Lipcon wrote:
On Thu, Feb 25, 2010 at 11:09 AM, Scott Carey wrote:
I have found some notes that suggest that "-XX:-ReduceInitialCardMarks"
will work around some known crash problems with 6u18, but that may be
unrelated.
Yep, I think that is probably a likely workaround as well. For n
On Mon, Mar 1, 2010 at 6:37 AM, Steve Loughran wrote:
> Todd Lipcon wrote:
>>
>> On Thu, Feb 25, 2010 at 11:09 AM, Scott Carey
>> wrote:
>
>>
>>> I have found some notes that suggest that "-XX:-ReduceInitialCardMarks"
>>> will work around some known crash problems with 6u18, but that may be
>>> un
On 3/1/10 7:24 AM, "Edward Capriolo" wrote:
> u14 added support for the 64bit compressed memory pointers which
> seemed important due to the fact that hadoop can be memory hungry. u15
> has been stable in our deployments. Not saying you should not go
> newer, but I would not go older then u14.
On Mar 1, 2010, at 10:46 AM, Allen Wittenauer wrote:
>
>
>
> On 3/1/10 7:24 AM, "Edward Capriolo" wrote:
>> u14 added support for the 64bit compressed memory pointers which
>> seemed important due to the fact that hadoop can be memory hungry. u15
>> has been stable in our deployments. Not say
@hadoop.apache.org
Subject: Re: Sun JVM 1.6.0u18
On Mar 1, 2010, at 10:46 AM, Allen Wittenauer wrote:
>
>
>
> On 3/1/10 7:24 AM, "Edward Capriolo" wrote:
>> u14 added support for the 64bit compressed memory pointers which
>> seemed important due to the fac
Allen Wittenauer wrote:
On 3/1/10 7:24 AM, "Edward Capriolo" wrote:
u14 added support for the 64bit compressed memory pointers which
seemed important due to the fact that hadoop can be memory hungry. u15
has been stable in our deployments. Not saying you should not go
newer, but I would not g
