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From "阿香" <1654407...@qq.com>
Subject About data file size and on-disk size
Date Tue, 22 Nov 2016 15:19:35 GMT

I have a table with 16 buckets over 3 physical machines. The tablet only has one replica.

Tablets Web UI shows that each tablet has around ~4.5G on-disk size.
In one machine, there are total  8 tablets, so the on-disk size is about 4.5*8 = 36G.
however, in the same machine, the disk actually used is about 211G.

# du -sh /data/kudu/tserver/data/
210G /data/kudu/tserver/data/

# find /data/kudu/tserver/data/ -name "*.data" | wc -l


What’s the difference between data file and on-disk size. 
Can files in  /data/kudu/tserver/data/ be compacted, purged, or some of them be deleted?

Thanks very much.

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