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rocksdb/docs/_posts/2016-04-26-rocksdb-4-5-1-released.markdown
Peter Dillinger f065e1c95d Fix up authors.yml for blog entries (#14342) 
Summary:
Fixes blog author display issues on rocksdb.org/blog by:

* Adding missing authors to authors.yml: pdillinger, alanpaxton, akankshamahajan15, anand1976, poojam23
* Standardizing on GitHub usernames: renamed sdong → siying
* Fixing typo in 2016-02-25-rocksdb-ama.markdown: yhchiang → yhciang
* A short note in CLAUDE.md

Authors were not showing on the blog because they were referenced in post frontmatter but not defined in the _data/authors.yml lookup file.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/14342

Test Plan: push & see ;)

Reviewed By: mszeszko-meta

Differential Revision: D93523972

Pulled By: pdillinger

fbshipit-source-id: 757c33e80f3c1d99ff4134a37321f40634d6e294
2026-02-17 14:30:03 -08:00

2.8 KiB
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title layout author category redirect_from
RocksDB 4.5.1 Released! post siying blog
/blog/3179/rocksdb-4-5-1-released/

4.5.1 (3/25/2016)

Bug Fixes

  •  Fix failures caused by the destorying order of singleton objects.

4.5.0 (2/5/2016)

Public API Changes

  • Add a new perf context level between kEnableCount and kEnableTime. Level 2 now does not include timers for mutexes.
  • Statistics of mutex operation durations will not be measured by default. If you want to have them enabled, you need to set Statistics::stats_level_ to kAll.
  • DBOptions::delete_scheduler and NewDeleteScheduler() are removed, please use DBOptions::sst_file_manager and NewSstFileManager() instead

New Features

  • ldb tool now supports operations to non-default column families.
  • Add kPersistedTier to ReadTier. This option allows Get and MultiGet to read only the persited data and skip mem-tables if writes were done with disableWAL = true.
  • Add DBOptions::sst_file_manager. Use NewSstFileManager() in include/rocksdb/sst_file_manager.h to create a SstFileManager that can be used to track the total size of SST files and control the SST files deletion rate.

4.4.0 (1/14/2016)

Public API Changes

  • Change names in CompactionPri and add a new one.
  • Deprecate options.soft_rate_limit and add options.soft_pending_compaction_bytes_limit.
  • If options.max_write_buffer_number > 3, writes will be slowed down when writing to the last write buffer to delay a full stop.
  • Introduce CompactionJobInfo::compaction_reason, this field include the reason to trigger the compaction.
  • After slow down is triggered, if estimated pending compaction bytes keep increasing, slowdown more.
  • Increase default options.delayed_write_rate to 2MB/s.
  • Added a new parameter --path to ldb tool. --path accepts the name of either MANIFEST, SST or a WAL file. Either --db or --path can be used when calling ldb.

4.3.0 (12/8/2015)

New Features

  • CompactionFilter has new member function called IgnoreSnapshots which allows CompactionFilter to be called even if there are snapshots later than the key.
  • RocksDB will now persist options under the same directory as the RocksDB database on successful DB::Open, CreateColumnFamily, DropColumnFamily, and SetOptions.
  • Introduce LoadLatestOptions() in rocksdb/utilities/options_util.h. This function can construct the latest DBOptions / ColumnFamilyOptions used by the specified RocksDB intance.
  • Introduce CheckOptionsCompatibility() in rocksdb/utilities/options_util.h. This function checks whether the input set of options is able to open the specified DB successfully.

Public API Changes

  • When options.db_write_buffer_size triggers, only the column family with the largest column family size will be flushed, not all the column families.