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From Jun Rao <jun...@gmail.com>
Subject Re: Producer.send questions
Date Sat, 24 Aug 2013 04:07:44 GMT
For the most part, only SocketExceptions and NotLeaderForPartitionException
are recoverable. MessageSizeTooLargeException may be recoverable with a
smaller batch size.



On Fri, Aug 23, 2013 at 4:09 PM, Jason Rosenberg <jbr@squareup.com> wrote:

> I'm using the kafka.javaapi.producer.Producer class from a java client.
>  I'm wondering if it ever makes sense to refresh a producer by stopping it
> and creating a new one, for example in response to a downstream IO error
> (e.g. a broker got restarted, or a stale socket, etc.).
> Or should it always be safe to rely on the producer's implementation to
> manage it's pool of BlockingChannel connections, etc.
> I'm also interested in trying to understand which exceptions indicate a
> failed send() request might be retryable (basically anything that doesn't
> involve a data-dependent problem, like a malformed message, or a message
> too large, etc.).
> Unfortunately, the range of Exceptions that can be thrown by the various
> javaapi methods is not yet well documented.  It would be nice to have some
> notion of whether an exception is the result of a data error, or a
> transient downstream connection error, etc.
> Jason

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