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https://issues.apache.org/jira/browse/HBASE-19274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16256834#comment-16256834
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Ted Yu commented on HBASE-19274:
--------------------------------

[ERROR]   
TestStochasticLoadBalancer2.testRegionReplicasOnMidClusterHighReplication:87->BalancerTestBase.testWithCluster:525->BalancerTestBase.testWithCluster:553->BalancerTestBase.assertRegionReplicaPlacement:263
 Two or more region replicas are hosted on the same host after balance

Not related to patch.

+1

> Log IOException when unable to determine the size of committed file
> -------------------------------------------------------------------
>
>                 Key: HBASE-19274
>                 URL: https://issues.apache.org/jira/browse/HBASE-19274
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Guangxu Cheng
>            Priority: Trivial
>         Attachments: HBASE-19274.master.001.patch
>
>
> During troubleshooting of slow response, I saw the following in region server 
> log:
> {code}
> 2017-10-26 14:03:53,080 WARN org.apache.hadoop.hbase.regionserver.HRegion: 
> Failed to find the size of hfile 
> hdfs://BETA/hbase/data/default/beta_b_history/e514111fae9d7ffc38ed48ad72fa197f/d/04d7c9fce73d4197be114448b1eb295a_SeqId_3766_
> {code}
> Here is related code:
> {code}
>             } catch (IOException e) {
>               LOG.warn("Failed to find the size of hfile " + 
> commitedStoreFile);
> {code}
> The exception should also be logged to facilitate debugging.



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