提交 1aeca973 编辑于 作者: Islam AbdelRahman's avatar Islam AbdelRahman
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Release RocksDB 4.7

Summary: Bump the version and update HISTORY.md

Test Plan: none

Reviewers: yhchiang, sdong, andrewkr

Reviewed By: andrewkr

Subscribers: andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D56469
上级 dfc3de8b
## Unreleased
# RocksDB default options change log
## 4.7.0 (4/8/2016)
* options.write_buffer_size changes from 4MB to 64MB
* options.target_file_size_base changes from 2MB to 64MB
* options.max_bytes_for_level_base changes from 10MB to 256MB
* options.soft_pending_compaction_bytes_limit changes from 0 (disabled) to 64GB
* options.hard_pending_compaction_bytes_limit changes from 0 (disabled) to 256GB
* table_cache_numshardbits changes from 4 to 6
* max_file_opening_threads changes from 1 to 16
\ No newline at end of file
* max_file_opening_threads changes from 1 to 16
# Rocksdb Change Log
## Unreleased
## 4.7.0 (4/8/2016)
### Public API Change
* Change some default options. Now default options will optimize for server-workloads. Also enable slowdown and full stop triggers for pending compaction bytes. These changes may cause sub-optimal performance or significant increase of resource usage. To avoid these risks, users can open existing RocksDB with options extracted from RocksDB option files. See https://github.com/facebook/rocksdb/wiki/RocksDB-Options-File for how to use RocksDB option files. Or you can call Options.OldDefaults() to recover old defaults. DEFAULT_OPTIONS_HISTORY.md will track change history of default options.
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......@@ -5,7 +5,7 @@
#pragma once
#define ROCKSDB_MAJOR 4
#define ROCKSDB_MINOR 6
#define ROCKSDB_MINOR 7
#define ROCKSDB_PATCH 0
// Do not use these. We made the mistake of declaring macros starting with
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