1. Looking at IFile$Reader#nextRawValue, not sure why we create valBytes
array of size 2 * currentValueLength even though it tries to read data of
currentValueLength size.
If there is no reason, this can be fixed which will fix the problem.
public void nextRawValue(DataInputBuffer value) throws
I ran into an issue and am struggling to find a way around it. I have a job
failing with the following output (version 2.7.0 of hadoop):
2019-09-04 13:20:30,026 DEBUG [main]
org.apache.hadoop.mapred.MapRFsOutputBuffer:
MapId=attempt_1567541971569_2612_m_003447_0 Reducer=133Spill
Hi Daegyu,
let's move this discussion to the user group, so that any one else can
comment on this. I obviously don't have the best answers to the questions.
But these are great questions.
Re: benchmarks for SCR:
I believe yes. In fact, I found a benchmark running Accumulo and HBase on
HDFS
I found same issue.
https://issues.apache.org/jira/browse/HDFS-10714
However this issue seems like holding.
Sent from my iPhone
2019. 9. 4. 18:06, Kang Minwoo
mailto:minwoo.k...@outlook.com>> 작성:
Hello, Users.
When Hadoop Cluster had a heavy write workload, Sometime DFS Client receives a
Hello, Users.
When Hadoop Cluster had a heavy write workload, Sometime DFS Client receives a
ClosedByInterruptException.
- similar issues:
https://community.cloudera.com/t5/Community-Articles/Write-or-Append-failures-in-very-small-Clusters-under-heavy/ta-p/245446
As a result, DFS client tried