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<p>Range compaction of database.</p> <p><strong>Note</strong>: After the database has been compacted, all data will have been pushed down to the last

Return the object that holds the edits to the descriptor done by this compaction.

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<p>If the database contains a mapping for "key", erase it. Else do nothing.</p> @param key Key to delete within database @deprecated Use {@link #de

The underlying representation. Intended only to be used together with ConvertFromUserKey().

Remove all entries in this batch (Put, Merge, Delete, PutLogData) since the most recent call to SetSavePoint() and removes the most recent save point.

Records the state of the batch for future calls to RollbackToSavePoint(). May be called multiple times to set multiple save points.

Return the length (in bytes) of the referenced data

writes elem to the queue

Reached the end?

Returns the pointer to ThreadStatusUpdater. This function will be used in RocksDB internally to update thread status and supports GetThreadList().

* @brief rename file * @details * * @param src [description] * @param target_in [description] * * @return [description] */

Should only be called from write thread

Finish the process and close the sst file. @throws RocksDBException thrown if error happens in underlying native library.

mapped to a levedb Put

Set the config for mem-table. @param memTableConfig the mem-table config. @return the instance of the current object. @throws java.lang.IllegalArgume

Add block information to file data Block information is the list of index reference for this file

Conversions between numeric keys/values and the types expected by Cache.

* If you are using the keys printed from listkeys, please add * `FFFFFFFFFFFFFFFF`(seq + type) behind the key to get the value. * * `Get` will retu

Determine compression type, based on user options, level of the output file and whether compression is disabled. If enable_compression is false, then

InsertBefore and InsertAfter are simply wrappers around the Insert function.

Allocate and return a new file number

Push element into the LRU at the cold end

In mmaped mode, the results point to mmaped area of the file, which means it is always valid before closing the file. In non-mmap mode, the results po