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From "Thiruvel Thirumoolan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11401) Reduce verbosity of logs with favored nodes and block pinning enabled
Date Thu, 09 Feb 2017 19:16:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thiruvel Thirumoolan updated HDFS-11401:
----------------------------------------
    Description: 
I am working on enabling favored nodes for HBase (HBASE-15531). Was trying out what happens
if favored nodes is used and HDFS balancer is enabled. Ran the unit test TestBalancer#testBalancerWithPinnedBlocks
from branch-2.8.  There were too many exceptions and error messages with this (output attached)
since pinned blocks can't be moved.

Is there any way to reduce this logging since block pinning is intentional? On a real cluster,
this could be too much. HDFS-6133 enabled block pinning.

  was:
I am working on enabling favored nodes for HBase (HBASE-15531). Was trying out what happens
if favored nodes is used and HDFS balancer is enabled. Ran the unit test TestBalancer#testBalancerWithPinnedBlocks
from branch-2.8.  There were too many exceptions and error messages with this (output attached)
since pinned blocks can't be moved.

Is there any way to reduce this logging since block pinning is intentional? On a real cluster,
this could be too much.


> Reduce verbosity of logs with favored nodes and block pinning enabled
> ---------------------------------------------------------------------
>
>                 Key: HDFS-11401
>                 URL: https://issues.apache.org/jira/browse/HDFS-11401
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer & mover, datanode
>    Affects Versions: 2.8.0
>            Reporter: Thiruvel Thirumoolan
>            Priority: Minor
>
> I am working on enabling favored nodes for HBase (HBASE-15531). Was trying out what happens
if favored nodes is used and HDFS balancer is enabled. Ran the unit test TestBalancer#testBalancerWithPinnedBlocks
from branch-2.8.  There were too many exceptions and error messages with this (output attached)
since pinned blocks can't be moved.
> Is there any way to reduce this logging since block pinning is intentional? On a real
cluster, this could be too much. HDFS-6133 enabled block pinning.



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