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https://issues.apache.org/jira/browse/HDFS-3457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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J.Andreina updated HDFS-3457:
-----------------------------
Attachment: (was: UI screenshots.docx)
> Number of UnderReplicated blocks and Number of Files in the cluster,
> displayed in UI and Fsck report is different
> -----------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-3457
> URL: https://issues.apache.org/jira/browse/HDFS-3457
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: J.Andreina
> Priority: Minor
>
> Scenario:
> =========
> Write an HDFS application with the following sequence of operations
> 1. Create file.
> 2. Append and sync file.
> 3. Delete file.
> 4. Create file.
> 5. Rename file.
> Run the application using 50 threads for 4 hours.
> Next Run the same application using 200 threads for the next 4 hours.
> Next Run the application using 50 threads for the next 4 hours.
> The Number of under-Replicated blocks and Total number of files mentioned in
> the UI and fsck report differs
> Fsck report for the mismatch in Number of under-Replicated blocks :
> ===================================================================
> Status: HEALTHY
> Total size: 5670200922 B
> Total dirs: 2
> Total files: 2015
> Total blocks (validated): 977 (avg. block size 5803685 B)
> Minimally replicated blocks: 977 (100.0 %)
> Over-replicated blocks: 0 (0.0 %)
> Under-replicated blocks: 94 (9.621289 %)
> Mis-replicated blocks: 0 (0.0 %)
> Default replication factor: 2
> Average block replication: 1.9037871
> Corrupt blocks: 0
> Missing replicas: 94 (5.0537634 %)
> Number of data-nodes: 3
> Number of racks: 1
> FSCK ended at Mon Mar 19 11:14:41 IST 2012 in 94 milliseconds
> The filesystem under path '/' is HEALTHY
> Fsck report for the mismatch in Total number of Files :
> =======================================================
> Status: HEALTHY
> Total size: 19418 B (Total open files size: 42729325 B)
> Total dirs: 2
> Total files: 4226 (Files currently being written: 15)
> Total blocks (validated): 266 (avg. block size 73 B) (Total open file
> blocks (not validated): 5)
> Minimally replicated blocks: 266 (100.0 %)
> Over-replicated blocks: 0 (0.0 %)
> Under-replicated blocks: 0 (0.0 %)
> Mis-replicated blocks: 0 (0.0 %)
> Default replication factor: 2
> Average block replication: 2.0
> Corrupt blocks: 0
> Missing replicas: 0 (0.0 %)
> Number of data-nodes: 3
> Number of racks: 2
> FSCK ended at Wed Apr 04 10:41:44 IST 2012 in 2302 milliseconds
> The filesystem under path '/' is HEALTHY
> Have attached UI screenshot for both the issues
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