The best value for maxNumOffsets really depends on your use case, but like I said commonly it is set to 1. I don't think it will take long even if you set it to a high value. It is bounded by the number of segments for a log.
Thanks, Neha On Mon, Feb 25, 2013 at 5:33 PM, Sining Ma <sinin...@gmail.com> wrote: > If right now this function can return many offsets, will it take long time? > > Based on your experience, what is the best value for maxNumOffsets? > > Thanks, > Sining Ma > > > On Mon, Feb 25, 2013 at 5:24 PM, Neha Narkhede <neha.narkh...@gmail.com > >wrote: > > > The value of maxNumOffsets depends on what you are trying to accomplish. > In > > most cases, this value is 1. For a value > 1, it gives you the first > offset > > of the segments since the segment that matched your offset query. Even if > > you set a very high value, it will not have those many segments and hence > > the response will be limited and should not take long. > > > > Thanks, > > Neha > > > > > > On Mon, Feb 25, 2013 at 12:31 PM, Sining Ma <sinin...@gmail.com> wrote: > > > > > I have a question about function getOffsetsBefore() in class > > > SimpleConsumer. > > > > > > I am not sure about the input value of maxNumOffsets. > > > > > > If I set this value to a small number, I cannot get enough valid Offset > > > values. > > > If I set to a big number like 10,000, I think this function will > consume > > a > > > lot of time. > > > > > > Right now I set it to 10, but I am not sure if this is a good value. > > > Is there any advice how to set the value of maxNumOffsets? > > > > > > > > > -- > > > Regards, > > > Sining Ma > > > > > > > > > -- > Regards, > Sining Ma >
