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22 lines
1.0 KiB
22 lines
1.0 KiB
---
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title: RocksDB 5.5.1 Released!
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layout: post
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author: lightmark
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category: blog
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---
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### New Features
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* FIFO compaction to support Intra L0 compaction too with CompactionOptionsFIFO.allow_compaction=true.
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* Statistics::Reset() to reset user stats.
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* ldb add option --try_load_options, which will open DB with its own option file.
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* Introduce WriteBatch::PopSavePoint to pop the most recent save point explicitly.
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* Support dynamically change `max_open_files` option via SetDBOptions()
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* Added DB::CreateColumnFamilie() and DB::DropColumnFamilies() to bulk create/drop column families.
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* Add debugging function `GetAllKeyVersions` to see internal versions of a range of keys.
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* Support file ingestion with universal compaction style
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* Support file ingestion behind with option `allow_ingest_behind`
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* New option enable_pipelined_write which may improve write throughput in case writing from multiple threads and WAL enabled.
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### Bug Fixes
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* Fix the bug that Direct I/O uses direct reads for non-SST file
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* Fix the bug that flush doesn't respond to fsync result
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