We are patching 0.8 to allow only ASCII alpha-numeric characters, plus _ and - in topic names. Plus the maxTopicNameLength is being hardcoded to 255 chars. The patch is at KAFKA-495.
Thanks, Swapnil On 9/25/12 3:15 PM, "Joe Stein" <crypt...@gmail.com> wrote: >+1 to restrict topic names to ASCII alpha-numeric characters (plus _ and >-) in 0.8 > >I think a compelling case has to be made ( with some real world use cases >) to change this rule if adopted. > > >On Sep 25, 2012, at 12:16 PM, Jun Rao <jun...@gmail.com> wrote: > >> There are a few issues related to topic names. First, we have some topic >> specific metrics and jmx bean name has certain restrictions (e.g., no >>space >> allowed and maybe others). Second, in 0.8, we have a file that stores >>high >> watermarks. It's a simple text file and expects 1 line per >>topic/partition. >> If topic name has '\r' or '\n', it could mess up the format of the >>file. A >> simple solution is to restrict topic names to ASCII alpha-numeric >> characters (plus _ and -) in 0.8. We can try to relax it in the future. >> Anybody has concerns with this? >> >> Thanks, >> >> Jun
