-Re: SimpleConsumer - Should FetchRequests span log segments?
Jun Rao 2013-06-29, 15:43
When you iterate the fetch result, MessageAndOffset has a nextOffet()
method. You need to use that offset to initiate the next fetch request. See
On Fri, Jun 28, 2013 at 9:53 PM, Ran RanUser <[EMAIL PROTECTED]> wrote:
> Using Kafka 0.8, when specifying a starting offset and appropriate
> fetchSize, SimpleConsumer will only return up to the highest offset of the
> log segment containing the starting offset.
> For example,
> log segment #1 contains offsets 1 - 10
> log segment #2 contiains offsets 11 - 100
> A fetch request specifying offset 9, will only return offsets 9 and 10.
> Specifying starting offset 11 will return 11 - 100
> Must one check fetchResponse.highwatermark each time to determine if there
> are higher numbered offsets, and continue submitting fetchRequests ?
> I assumed SimpleConsumer would return offsets/messages spanning log
> segments, up to the specified fetchSize.