Andrew Kryczka fffac43cfb Add DB property for SST files kept from deletion (#4618) ... Summary: This property can help debug why SST files aren't being deleted. Previously we only had the property "rocksdb.is-file-deletions-enabled". However, even when that returned true, obsolete SSTs may still not be deleted due to the coarse-grained mechanism we use to prevent newly created SSTs from being accidentally deleted. That coarse-grained mechanism uses a lower bound file number for SSTs that should not be deleted, and this property exposes that lower bound. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4618 Differential Revision: D12898179 Pulled By: ajkr fbshipit-source-id: fe68acc041ddbcc9276bbd48976524d95aafc776		2018-11-05 20:24:40 -08:00
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rocksdb	Add DB property for SST files kept from deletion (#4618)	2018-11-05 20:24:40 -08:00