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rocksdb/utilities/redis
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Bruce Mitchener 0de710f5b8 Use nullptr instead of NULL / 0 more consistently. 
Summary: Closes https://github.com/facebook/rocksdb/pull/3569

Differential Revision: D7170968

Pulled By: yiwu-arbug

fbshipit-source-id: 308a6b7dd358a04fd9a7de3d927bfd8abd57d348
2018-03-07 12:42:12 -08:00
..
README
redis_list_exception.h rocksdb: Add missing override 2015-02-26 11:28:41 -08:00
redis_list_iterator.h Use nullptr instead of NULL / 0 more consistently. 2018-03-07 12:42:12 -08:00
redis_lists.cc Use nullptr instead of NULL / 0 more consistently. 2018-03-07 12:42:12 -08:00
redis_lists.h
redis_lists_test.cc Enable MSVC W4 with a few exceptions. Fix warnings and bugs 2017-10-19 10:57:12 -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.