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Posted to common-user@hadoop.apache.org by YouPeng Yang <yy...@gmail.com> on 2013/11/15 03:44:35 UTC
Why journalnode need to reformat when upgrade
Hi all
A info log got my questions :
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13/11/15 10:03:40 INFO namenode.FSNamesystem: Finished loading FSImage in
261 msecs
Re-format filesystem in QJM to [10.7.23.122:8485, 10.7.23.125:8485,
10.7.23.124:8485] ? (Y or N) Y
......
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I do want know what is the information aim at?
Regard.