Hi team,

Small question about hidden folders. I understood that Cassandra data is
stored in the following directory organization :
/<data_folder>/<keyspace>/<table_name>-<uid>/ but I noticed hidden folders
in some of the table directories. For example :
/volumes/cassandra/data/testkeyspace/test_table-258a3400999211e98ee681105b53681d/.test_table/
contains data files that follows the same pattern as what's in
/volumes/cassandra/data/testkeyspace/test_table-258a3400999211e98ee681105b53681d
.
What are these files ? I was even more surprised when I noticed that some
of these files are older than my data retention (found files from the 15th
November but my data retention is 30 days).
Thanks for your help,


Loïc CHANEL
System Big Data engineer
SoftAtHome (Lyon, France)

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