Details
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Bug
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Status: Open
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Minor
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Resolution: Unresolved
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2.0.0-alpha
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None
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None
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None
Description
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 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
Have attached UI screenshot for this issue
