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rocksdb/utilities/redis
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Dhruba Borthakur a143ef9b38 Change namespace from leveldb to rocksdb 
Summary:
Change namespace from leveldb to rocksdb. This allows a single
application to link in open-source leveldb code as well as
rocksdb code into the same process.

Test Plan: compile rocksdb

Reviewers: emayanke

Reviewed By: emayanke

CC: leveldb

Differential Revision: https://reviews.facebook.net/D13287
2013-10-04 11:59:26 -07:00
..
README Change namespace from leveldb to rocksdb 2013-10-04 11:59:26 -07:00
redis_list_exception.h Change namespace from leveldb to rocksdb 2013-10-04 11:59:26 -07:00
redis_list_iterator.h Change namespace from leveldb to rocksdb 2013-10-04 11:59:26 -07:00
redis_lists.cc Change namespace from leveldb to rocksdb 2013-10-04 11:59:26 -07:00
redis_lists.h Change namespace from leveldb to rocksdb 2013-10-04 11:59:26 -07:00
redis_lists_test.cc Change namespace from leveldb to rocksdb 2013-10-04 11:59:26 -07:00

README 

This folder defines a REDIS-style interface for Rocksdb.
Right now it is written as a simple tag-on in the rocksdb::RedisLists class.
It implements Redis Lists, and supports only the "non-blocking operations".

Internally, the set of lists are stored in a rocksdb database, mapping keys to
values. Each "value" is the list itself, storing a sequence of "elements".
Each element is stored as a 32-bit-integer, followed by a sequence of bytes.
The 32-bit-integer represents the length of the element (that is, the number
of bytes that follow). And then that many bytes follow.


NOTE: This README file may be old. See the actual redis_lists.cc file for
definitive details on the implementation. There should be a header at the top
of that file, explaining a bit of the implementation details.