@Benjamin Leonhardi , on slide 24 you notate that a small stripe size indicates a memory problem during load. Do you know what memory problem that would be? I have ~ 3500 records on the stripe and was just wondering where I should look. Thanks!
... View more
@Artem Ervits, the above mentioned command worked in my case to see output as single file while reducer output had created multiple parts file, thus I have accepted that answer.
... View more
So, I used the docs you listed to enable HA, however, it doesn't mention how/when to leave SafeMode. I assume its after step 16, but it really should state that in the documenation.
... View more
Nope, reducers don't communicate with each other and neither the mappers do. All of them runs in a separate JVM containers and don't have information of each other. AppMaster is the demon which takes care and manage these JVM based containers (Mapper/Reducer).
... View more
