Dhruba Borthakur aa73538f2a The deletion of obsolete files should not occur very frequently. ... Summary: The method DeleteObsolete files is a very costly methind, especially when the number of files in a system is large. It makes a list of all live-files and then scans the directory to compute the diff. By default, this method is executed after every compaction run. This patch makes it such that DeleteObsolete files is never invoked twice within a configured period. Test Plan: run all unit tests Reviewers: heyongqiang, MarkCallaghan Reviewed By: MarkCallaghan Differential Revision: https://reviews.facebook.net/D6045		2012-10-16 10:26:10 -07:00
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leveldb	The deletion of obsolete files should not occur very frequently.	2012-10-16 10:26:10 -07:00