Thanks again for your help guys!
Looks like I still have some digging to do but at least I have some good ideas
on where to look first. I'll report back on what I find here soon.
-Brian
On Jul 5, 2013, at 3:47 PM, Alan Bateman wrote:
> On 05/07/2013 21:07, Brian Call wrote:
>> :
>>
>>
>>
On 05/07/2013 21:07, Brian Call wrote:
:
Is there any way to get access to the jvm source for MacOS? That might yield
some interesting insight as well.
You've find the joinOrDrop4 implementation here:
http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/file/tip/src/solaris/native/sun/nio/ch/Net.c
I
I don't think the OS X JDK is open to the community yet but I could be wrong.
You can try increasing the amount of mbuf clusters (nmbclusters) in the sysctl
and rebooting to see if it helps, this is what I did. But even that didn't fix
all my issues with their brokenness in their network stack.
To give a little bit of context... We're developing a new wrist-worn medical
monitoring device that sends real-time vitals information such as heart rate,
blood oxygen levels, blood pressure, and even full 12 lead ECG waveforms. The
device sends it's data to the base station using a TCP connecti
On 05/07/2013 18:20, Brian Call wrote:
Hi Guys,
I'm seeing an ugly issue crop up on JDK7 for MacOS that I'm at a total loss to
diagnose or even begin to fix. At random times (and sometimes every time) I'm
seeing this exception:
Caused by: java.net.SocketException: Cannot allocate memory
I ran into a similar issue before on OS X... there are some bugs Apple
introduced into their BSD kernel, where they limited the amount of buffer space
you could get for a single socket to a certain percentage of the global mbuf
and skbuff pool, in a brain damaged way which causes more problems t
