Stefan Will wrote:
Raghu,
I don't actually have exact numbers from jmap, although I do remember that
jmap -histo reported something less than 256MB for this process (before I
restarted it).
I just looked at another DFS process that is currently running and has a VM
size of 1.5GB (~600 resident)
-- Stefan
> From: Raghu Angadi
> Reply-To:
> Date: Sun, 10 May 2009 20:06:13 -0700
> To:
> Subject: Re: Huge DataNode Virtual Memory Usage
>
> what do 'jmap' and 'jmap -histo:live' show?.
>
> Raghu.
>
> Stefan Will wrote:
>> Chris,
>>
.0-b15, mixed mode)
Do you know of a specific bug # in the JDK bug database that addresses this
?
Cheers,
Stefan
From: Chris Collins
Reply-To:
Date: Fri, 8 May 2009 20:34:21 -0700
To: "core-user@hadoop.apache.org"
Subject: Re: Huge DataNode Virtual Memory Usage
Stefan, there was
he.org"
Subject: Re: Huge DataNode Virtual Memory Usage
Stefan, there was a nasty memory leak in in 1.6.x before 1.6 10. It
manifested itself during major GC. We saw this on linux and solaris
and dramatically improved with an upgrade.
C
On May 8, 2009, at 6:12 PM, Stefan Will wrote:
Hi,
this
?
Cheers,
Stefan
> From: Chris Collins
> Reply-To:
> Date: Fri, 8 May 2009 20:34:21 -0700
> To: "core-user@hadoop.apache.org"
> Subject: Re: Huge DataNode Virtual Memory Usage
>
> Stefan, there was a nasty memory leak in in 1.6.x before 1.6 10. It
> m
Stefan, there was a nasty memory leak in in 1.6.x before 1.6 10. It
manifested itself during major GC. We saw this on linux and solaris
and dramatically improved with an upgrade.
C
On May 8, 2009, at 6:12 PM, Stefan Will wrote:
Hi,
I just ran into something rather scary: One of my datano
Hi,
I just ran into something rather scary: One of my datanode processes that
I¹m running with Xmx256M, and a maximum number of Xceiver threads of 4095
had a virtual memory size of over 7GB (!). I know that the VM size on Linux
isn¹t necessarily equal to the actual memory used, but I wouldn¹t exp
