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From "Ramkrishna.S.Vasudevan" <ramkrishna.vasude...@huawei.com>
Subject CatalogJanitor trying to delete an already deleted region from META
Date Fri, 20 Jan 2012 15:17:32 GMT
Hi Devs

The region 9e28c97ccec104f3174ecf343cb59157 is a parent region.  It got
splitted into 2 daughter regions.

The CatalogJanitor deleted this entry from META.  Subsequent run of Catalog
Janitor did not find the deleted region from META.  After 5 times of
CatalogJanitor running, it again found the deleted region.

Anyway this time as the region was deleted from HDFS we got the below warn

2012-01-13 07:46:49,552 WARN org.apache.hadoop.hbase.regionserver.HRegion:
Failed delete of

But why did the CatalogJanitor again pick up this deleted region in META.
fullScan().  The same scenario has happened for about 6 regions in the same
time.  From the RS logs we could not find any operation pertaining to this
region during that time.

Any clues or suggestions?




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