Speedb 2.1.0 (26-Oct-2022)

New Features

• Added new Paired bloom filter that reduces false positive rate with the same performance and memory. In some configurations, the memory consumption is even reduced by up to 30%.
  Note: Paired bloom filter is recommended to use when the number of bits per key is larger than 10. (#54)
• Added Plugin Tests to builds (#143)

Enhancements

• The default value for the number of compaction threads has changed to 8 (#194)
• An infrastructure addition for a future feature: added API to retrieve the amount of immutable memory that can be freed. (#113)
• cmake: allow running the tests in parallel like in the Makefile (#103)
• build: fix the java test target dependencies (#129)
• flush_job: do not roll back memtable flush on CF drop and DB shutdown (#127)
• When background purges are used, set their priority to low instead of high, (#151)
• Added db_bench option to change the parameter: avoid_unnecessary_blocking_io (#184)
• Allow construction of Filter Policy from uri to the tools (#83)

Miscellaneous

• Remove the GPL as an alternative license (#119)
• Fix shell tab-completions in makefile (#148)
• Added Speedb change-log to the HISTORY.md file (#189)
• makefile: rework the dependency graph for faster test runs startup (#175)
• Change the name of the output artifacts to Speedb (#66)

New Contributors

• @rtpro made their first contribution in #39
• @AmnonHanuhov made their first contribution in #18
• @hilikspdb made their first contribution in #52
• @mrambacher made their first contribution in #72
• @ayulas made their first contribution in #30
• @udi-speedb made their first contribution in #132
• @jsteemann made their first contribution in #186
• @dinga-dinga made their first contribution in #153
• @bosmatt made their first contribution in #189

Full Changelog: https://github.com/speedb-io/speedb/commits/speedb/v2.1.0