@James: that was incredible. Thank you.

On Wed, Apr 26, 2017 at 9:53 PM, James Cheng <wushuja...@gmail.com> wrote:

> Ramya, Todd, Jiefu, David,
>
> Sorry to drag up an ancient thread. I was looking for something in my
> email archives, and ran across this, and I might have solved part of these
> mysteries.
>
> I ran across this post that talked about seeing weirdly large allocations
> when incorrect requests are accidentally sent to a port expecting a binary
> protocol. https://rachelbythebay.com/w/2016/02/21/malloc/
>
> I took those finding and applied them to the weird big numbers you were
> seeing.
>
> Ramya, Jiefu, about your allocation of 1347375956:
> 1347375956 converted to hex is 504F5354
> 504F5354 converted to ascii is the letters "POST"
> So, someone sent a POST request to your Kafka broker by accident!
>
> David, about your allocation of 1550939497:
> 1550939497 converted to hex is 5C717569
> 5C717569 converted to ascii is "\qui"
> Maybe that's the beginning of the word "\quit"? Is there some protocol
> that uses the word "\quit"? Like IRC or SMTP or IMAP something? I'm not
> sure.
>
> Anyway, thought you might find that interesting!
>
> -James
>
>
>
>
> > On Dec 12, 2016, at 9:39 AM, Todd Palino <tpal...@gmail.com> wrote:
> >
> > Are you actually getting requests that are 1.3 GB in size, or is
> something
> > else happening, like someone trying to make HTTP requests against the
> Kafka
> > broker port?
> >
> > -Todd
> >
> >
> > On Mon, Dec 12, 2016 at 4:19 AM, Ramya Ramamurthy <
> > ramyaramamur...@teledna.com> wrote:
> >
> >> We have got exactly the same problem.
> >> nvalid receive (size = 1347375956 larger than 104857600).
> >>
> >> When trying to increase the size, Java Out of Memory Exception.
> >> Did you find a work around for the same ??
> >>
> >> Thanks.
> >>
> >
> >
>
> On Tue, Jul 14, 2015 at 11:18 AM, JIEFU GONG <jg...@berkeley.edu <mailto:
> jg...@berkeley.edu>> wrote:
>
> > @Gwen
> > I am having a very very similar issue where I am attempting to send a
> > rather small message and it's blowing up on me (my specific error is:
> > Invalid receive (size = 1347375956 larger than 104857600)). I tried to
> > change the relevant settings but it seems that this particular request is
> > of 1340 mbs (and davids will be 1500 mb) and attempting to change the
> > setting will give you another error saying there is not enough memory in
> > the java heap. Any insight here?
>
>
>
> >
> > --
> > *Todd Palino*
> > Staff Site Reliability Engineer
> > Data Infrastructure Streaming
> >
> >
> >
> > linkedin.com/in/toddpalino
>
>

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