Hello!
I want to know about some implementation issue about retrieving the running
instance of namenode or fsnamesystem
Because I want to get physical block information especially blockid and its
physical path on the HDFS in the level of mapreduce framework, but
it seems not possible without
When we see the source code of hdfs especially FSNamesystem, there is so
many block related types are used such as Block, LocatedBLocks,
BlocksWithLocations. And this makes me very unclear about the system.
In addition, BlocksMap just maps Block and BlockInfo, but Block becomes
LocatedBlock with D
Hello.
I want to see every detail of
1) Block generation on hdfs when I put the file which has size over at
lease 64MB.
2) Generating inputsplits given several blocks in hdfs.
So, at first I tried to find related unit test source codes and I found
TestFileCreationClient.java.
Ho
ant to upload it to image sharing site.
> >
> > What version of Hadoop are you using ?
> >
> > Thanks
> >
> > On Oct 6, 2013, at 8:56 PM, 남윤민 > (mailto:rony...@dgist.ac.kr)> wrote:
> > > Hello!!
> > > My name is Yoonmin Nam from Sou
