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Hadoop >> mail # dev >> Possible Length issue


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Re: Possible Length issue
Anyone?
On Sat, Dec 28, 2013 at 1:06 PM, Dhaivat Pandya <[EMAIL PROTECTED]>wrote:

> Hi,
>
> I've been working a lot with the Hadoop NameNode IPC protocol (while
> building a cache layer on top of Hadoop). I've noticed that for request
> packets coming from the default DFS client that do not have a method name,
> the length field is often *completely *off.
>
> For example, I've been looking at packets with length 1752330339. I
> thought this might have been an issue with my cache layer, so I checked
> with Wireshark, and found packets with such absurd length parameters
> (obviously, the packets themselves weren't actually that long; the length
> field was misrepresented).
>
> Unfortunately, I haven't had the opportunity to test this issue on other
> machines and setups (the reproducing steps should be running an "ls /" with
> the default DFS client and sniffing the packets to find the length
> parameter, release 1.2.1).
>
> Is this normal behavior, a bug or something I'm missing?
>
> Thank you,
>
> Dhaivat
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB