v1.7.0

New Features

• SSTables now features different kind of indices and allows to implement your own
• New recordio v4 format that includes checksums and support for nil records
• SimpleDB now supports byte functions in addition to the string functions

What's Changed

• add null record counter to sstables by @thomasjungblut in #45
• Fix compaction with holes by @thomasjungblut in #44
• Compaction by tombstone ratio in simpledb by @thomasjungblut in #46
• refactor sstable index into a dedicated interface with a loader by @thomasjungblut in #48
• fix partial sstable writes by @thomasjungblut in #49
• add a slice based key index by @thomasjungblut in #50
• add a read benchmark for recordio by @thomasjungblut in #51
• use a faster buffer pool by @thomasjungblut in #53
• minor performance optimizations by @thomasjungblut in #55
• Add byte based functions to simpledb by @thomasjungblut in #56
• Add SeekNext to recordio mmap based readers by @thomasjungblut in #57
• add sstables benchmark for random reads by @thomasjungblut in #59
• Add offset to return of SeekNext by @thomasjungblut in #60
• fix seeking through magic number in data by @thomasjungblut in #61
• Add a disk-based index by @thomasjungblut in #58
• Add a map-based key index by @thomasjungblut in #62
• doc updates by @thomasjungblut in #63
• Add recordio v4 by @thomasjungblut in #65
• Add kaitai and tests for all recent versions by @thomasjungblut in #68
• Bump golang.org/x/text from 0.3.7 to 0.3.8 by @dependabot in #69
• set the slicekey index as the default in sstables by @thomasjungblut in #70
• increase disk index cache size by @thomasjungblut in #71

Again, I want to emphasize how much of a help @sebheitzmann has been and want to thank him for his contributions and ideas.

Full Changelog: v1.6.3...v1.7.0