release-v1.4.7

What's changed

• Fixed bug to drop bottom segments properly.
• Set the Brotli compression method's optimum level Fastest, because the default optimum level is extremely slow.
• Fixed deadlock in B+Tree leaf splitter.

Full Changelog: release-v1.4.5...release-v1.4.7

release-v1.4.5

What's changed

• Synchronized reads and iterators with disk segment drops.
• Added bottom segments merger.
• Added events to control bottom segment operations.
• Added parallel sparse array initialization.
• Fixed sparse array search bug.
• Improved API.

Full Changelog: release-v1.4.4...release-v1.4.5

release-v1.4.4

What's changed

• Added Vertical Disk Segment Expansion (Bottom Segments Layer)
• Improved the write / merge speed for big databases.

Full Changelog: release-v1.4.3...release-v1.4.4

release-v1.4.3

What's changed

• Added Brotli and Zstd compression methods.
• Prevent duplicate disk segment reads in multi-threaded scenario.
• Added 3rd party licenses to the Nuget package.

Full Changelog: release-v1.4.1...release-v1.4.3

release-v1.4.1

What's changed

• Improved merge performance by 20%.
• Improved iteration performance by %25.
• Added faster decompression for known blob sizes.
• Added new option BlockCacheReplacementDuration.
• Improved circular block cache.
• Fixed incorrect buffer lifetime calculation.

Full Changelog: release-v1.4.0...release-v1.4.1

release-v1.4.0

What's changed

• Improved API to support up to 2^63 key-value pairs.

Full Changelog: release-v1.3.9...release-v1.4.0

release-v1.3.9

What's changed

• Added LZ4 compression support.
• Set LZ4 as default compression method.
• WAL write performance with compression is increased slightly.
• Iteration performance increased significantly.
• Merge performance increased dramatically.
• Improved performance by using CPU TickCount64 to avoid time retrieval in block cache.
• Added support to start/stop maintainer periodic timer.

Full Changelog: release-v1.3.8...release-v1.3.9

release-v1.3.8

What's changed

• Added dynamically changing DiskSegment and WAL options capability.
• Added new Maintainer API with ease of use.
• Added automatic maintainer disposal.
• Options are simplified.
• Added infrastructure support to add new compression methods.

Full Changelog: release-v1.3.7...release-v1.3.8

release-v1.3.7

What's changed

• Improved add or update and sliding expiration performance by avoiding writes with unchanged updates.
• Renamed WAL and Disk Segment Modes to better self-expression.

Full Changelog: release-v1.3.6...release-v1.3.7

release-v1.3.6

What's changed

• Added sliding expiration support.
• Added auto comparer and key-value serializer detection for known types.
• Updated API documentation.

Full Changelog: release-v1.3.4...release-v1.3.5