Hello.
I notice that javadoc for nested classes is missed in Hadoop documentation.
For example org.apache.hadoop.yarn.client.api.async.AMRMClientAsync class
contains nested CallbackHandler interface with missed javadoc.
--
Vasiliy Sisko
GridGain Systems
www.gridgain.com
Anu gave good analysis. Another simple case is that NN takes time to process
the block reports before leaving the safe mode. You can monitor the safe mode
report for progress. Check NN log for more information.
L
> On Dec 22, 2016, at 8:02 AM, Chathuri Wimalasena wrote:
Hi Chathuri,
This means that NN has not heard about all the blocks it is supposed to hear
from the datanodes. Since all the datanodes are functional, here are some
things to check.
1. Is there any volume loss on data nodes?
2. You mentioned that you had a failure in Namenode, are you sure
Hi,
We have a hadoop cluster with 10 data nodes. We had a disk failure with the
login node where the namenode, secondary namenode running and replaced the
failed disk. Failed disk does not affect the data, it only affected the
operating system. After replacing the failed disk, when I restart the