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| author | Siying Dong <siying.d@fb.com> | 2017-03-22 17:45:15 -0700 |
|---|---|---|
| committer | Facebook Github Bot <facebook-github-bot@users.noreply.github.com> | 2017-03-22 17:54:18 -0700 |
| commit | a084b26a5ac15cfc95ebfe0080772e03db50cce6 (patch) | |
| tree | 1854ce3506e1378eb864af2a9224fc140798fc89 /docs/_posts | |
| parent | 15950fe3a09eff5af7ad3c91295584c1da89f9da (diff) | |
Blog post for releasing 5.2.1
Summary: Closes https://github.com/facebook/rocksdb/pull/2025
Differential Revision: D4759957
Pulled By: siying
fbshipit-source-id: 5b5b625
Diffstat (limited to 'docs/_posts')
| -rw-r--r-- | docs/_posts/2017-03-02-rocksdb-5-2-1-released.markdown | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/docs/_posts/2017-03-02-rocksdb-5-2-1-released.markdown b/docs/_posts/2017-03-02-rocksdb-5-2-1-released.markdown new file mode 100644 index 000000000..c6ce27d64 --- /dev/null +++ b/docs/_posts/2017-03-02-rocksdb-5-2-1-released.markdown @@ -0,0 +1,22 @@ +--- +title: RocksDB 5.2.1 Released! +layout: post +author: sdong +category: blog +--- + +### Public API Change +* NewLRUCache() will determine number of shard bits automatically based on capacity, if the user doesn't pass one. This also impacts the default block cache when the user doesn't explict provide one. +* Change the default of delayed slowdown value to 16MB/s and further increase the L0 stop condition to 36 files. + +### New Features +* Added new overloaded function GetApproximateSizes that allows to specify if memtable stats should be computed only without computing SST files' stats approximations. +* Added new function GetApproximateMemTableStats that approximates both number of records and size of memtables. +* (Experimental) Two-level indexing that partition the index and creates a 2nd level index on the partitions. The feature can be enabled by setting kTwoLevelIndexSearch as IndexType and configuring index_per_partition. + +### Bug Fixes +* RangeSync() should work if ROCKSDB_FALLOCATE_PRESENT is not set +* Fix wrong results in a data race case in Get() +* Some fixes related to 2PC. +* Fix several bugs in Direct I/O supports. +* Fix a regression bug which can cause Seek() to miss some keys if the return key has been updated many times after the snapshot which is used by the iterator. |