On Mon, Apr 1, 2013 at 8:44 PM, Yonghui Zhao <zhaoyong...@gmail.com> wrote:
> A little question， when old message log is deleted， the start point offset > is changed. If a simple consumer seek a offset less than start point > offset, what will happen? Read all message from start? > Standard Kafka Consumer code will raise an OffsetOutOfRange exception. How that is handled depends on the the type of Consumer you use -- Simple or High-Level. I believe the latter moves you to the next available offset. Philip > > 2013/4/2 Jason Rosenberg <j...@squareup.com> > > > Essentially, > > > > There's a configuration property: log.retention.hours > > > > This determines the minimum time a message will remain available on the > > broker. The default is 7 days. > > > > The kafka broker doesn't keep track of whether the message has been > > consumed or not (or how many times it has been consumed). > > > > It's up to individual consumers to keep track of which message offset > > they've consumed (which typically gets saved in zookeeper). > > > > Jason > > > > > > On Mon, Apr 1, 2013 at 12:50 PM, Philip O'Toole <phi...@loggly.com> > wrote: > > > > > On Mon, Apr 1, 2013 at 12:27 PM, Ankit Jain <ankitjainc...@gmail.com> > > > wrote: > > > > > > > Hi All, > > > > > > > > Once the message is consumed by consumer, we want it to delete from > > > message > > > > broker as well. > > > > > > > > > > Kafka doesn't work this way. Read the design doc -- it's well written, > > and > > > should be read by anyone working with Kafka. > > > > > > http://kafka.apache.org/design.html > > > > > > > > > > > > > > > > > I was exploring the kafka configuration, but not sure which > > configuration > > > > would full my need. > > > > > > > > Guys, I need your help. > > > > > > > > Thanks .. > > > > > > > > > > > > -- > > > > Thanks, > > > > Ankit Jain > > > > > > > > > >
