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From Schubert Zhang <zson...@gmail.com>
Subject Why not to delete the "Compacted" file immediately? What is the policy in 0.6.1?
Date Tue, 11 May 2010 15:50:59 GMT
In current 0.6.1, after a long time of compation, the old SSTable files are
still there, with the mark of
"CFName-id-Compacted" zero sized file.

Whey not delete them immediately? What is the policy in 0.6.1?

See following examples.

-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-1263-Compacted
-rw-rw-r-- 1 cassandra cassandra  3643422558 May 11 12:21 LZO-1263-Data.db
-rw-rw-r-- 1 cassandra cassandra      939685 May 11 12:21 LZO-1263-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 12:21 LZO-1263-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-1597-Compacted
-rw-rw-r-- 1 cassandra cassandra  2365082186 May 11 14:49 LZO-1597-Data.db
-rw-rw-r-- 1 cassandra cassandra      751765 May 11 14:49 LZO-1597-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 14:49 LZO-1597-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-1614-Compacted
-rw-rw-r-- 1 cassandra cassandra 31064427729 May 11 16:42 LZO-1614-Data.db
-rw-rw-r-- 1 cassandra cassandra      751765 May 11 16:42 LZO-1614-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 16:42 LZO-1614-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-1879-Compacted
-rw-rw-r-- 1 cassandra cassandra  3536115771 May 11 17:29 LZO-1879-Data.db
-rw-rw-r-- 1 cassandra cassandra      751765 May 11 17:29 LZO-1879-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 17:29 LZO-1879-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-2049-Compacted
-rw-rw-r-- 1 cassandra cassandra  7910248440 May 11 19:17 LZO-2049-Data.db
-rw-rw-r-- 1 cassandra cassandra     1691365 May 11 19:17 LZO-2049-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 19:17 LZO-2049-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-2169-Compacted
-rw-rw-r-- 1 cassandra cassandra   417646680 May 11 19:56 LZO-2169-Data.db
-rw-rw-r-- 1 cassandra cassandra     2500645 May 11 19:56 LZO-2169-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 19:56 LZO-2169-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-2184-Compacted
-rw-rw-r-- 1 cassandra cassandra  3485810361 May 11 20:08 LZO-2184-Data.db
-rw-rw-r-- 1 cassandra cassandra      751765 May 11 20:08 LZO-2184-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 20:08 LZO-2184-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-2188-Compacted
-rw-rw-r-- 1 cassandra cassandra   663325064 May 11 20:10 LZO-2188-Data.db
-rw-rw-r-- 1 cassandra cassandra      751765 May 11 20:10 LZO-2188-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 20:10 LZO-2188-Index.db
-rw-rw-r-- 1 cassandra cassandra           0 May 11 23:35 LZO-2189-Compacted
-rw-rw-r-- 1 cassandra cassandra    29651624 May 11 20:09 LZO-2189-Data.db
-rw-rw-r-- 1 cassandra cassandra      114789 May 11 20:09 LZO-2189-Filter.db
-rw-rw-r-- 1 cassandra cassandra     3691960 May 11 20:09 LZO-2189-Index.db
-rw-rw-r-- 1 cassandra cassandra 52910891687 May 11 23:35 LZO-2190-Data.db
-rw-rw-r-- 1 cassandra cassandra     1618405 May 11 23:35 LZO-2190-Filter.db
-rw-rw-r-- 1 cassandra cassandra     6034764 May 11 23:35 LZO-2190-Index.db

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