Reloading FSImage and FSEditLog may erase user and group information
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Key: HADOOP-4395
URL: https://issues.apache.org/jira/browse/HADOOP-4395
Project: Hadoop Core
Issue Type: Bug
Reporter: Tsz Wo (Nicholas), SZE
Priority: Blocker
Fix For: 0.18.2
The bug can be reproduced as following:
{noformat}
bash-3.2$ ./bin/hadoop fs -lsr
-rw-r--r-- 3 tsz supergroup 1366 2008-10-10 17:52 /user/tsz/a.txt
-rw-r--r-- 3 tsz supergroup 1366 2008-10-10 17:52 /user/tsz/b.txt
bash-3.2$ ./bin/hadoop fs -chown sze a.txt
{noformat}
Then, restart cluster ...
{noformat}
bash-3.2$ ./bin/hadoop fs -lsr
-rw-r--r-- 3 sze 1366 2008-10-10 17:52 /user/tsz/a.txt
-rw-r--r-- 3 tsz supergroup 1366 2008-10-10 17:52 /user/tsz/b.txt
{noformat}
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