No, you don't need to install HDFS. You can use Flink without HDFS. On Thu, Oct 16, 2014 at 12:17 PM, Robert Metzger <rmetz...@apache.org> wrote:
> Hi, > > good to hear that you are using Flink. > > HDFS is a distributed file system for reliably storing huge amounts of > data. Many users of Flink use HDFS to store all kinds of data on it. > This includes both input data for their jobs and also results. > Often, Flink and HDFS are installed next to each other in a cluster so that > the same machines that contain the data also process it. > > An example for you could be that you store the data from MySQL in HDFS. Or > you could join data from MySQL with data in HDFS. > > > Let us know if you have more questions. We are happy to help! > > > > On Thu, Oct 16, 2014 at 9:56 AM, Márton Balassi <balassi.mar...@gmail.com> > wrote: > > > Flink does not require HDFS if you decide not to use it. The version you > > are currently using should fit you then. You might change it if you > need/do > > not need YARN support. > > > > On Thu, Oct 16, 2014 at 4:27 AM, 杨洪波 <hongbosoftw...@163.com> wrote: > > > > > hey all, > > > i am new in flink and i have a question: i use flink cluster to read > > > mysql datasource,my biz don't need hdfs, do i must set HDFS in my flink > > > cluster? if yes,then for what flink use it ? > > > thanks! > > >