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From Jason Heo <jason.heo....@gmail.com>
Subject Number of data files and opened file descriptors are not decreasing after DROP TABLE.
Date Mon, 24 Apr 2017 06:43:48 GMT

Before dropping, there were about 30 tables, 27,000 files in tablet_data
I dropped most tables and there is ONLY one table which has 400 tablets in
my test Kudu cluster.
After dropping, there are still 27,000 files in tablet_data directory, and
output of /sbin/lsof is the same before dropping. (kudu tserver opens
almost 50M files)

I'm curious that this can be resolved using "kudu fs check" which is
available at Kudu 1.4.

I used Kudu 1.2 when executing `DROP TABLE` and currently using Kudu 1.3.0



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