Release 0.9

[drmingdrmer]

Release 0.9 is nearing its launch, though some efforts are still underway to ensure a seamless upgrade process.

We extend our gratitude to our new contributors for their invaluable support!

What's Changed

Changes

• Change: #959 ditch async_trait for the singlethreade feature #982
• Change: RaftLogReaderExt::get_log_id() should not return last-purged-id #892
• Change: add AsyncRuntime type parameter to RaftTypeConfig #869
• Change: move external command trigger to dedicated Trigger struct #888
• Change: move get_log_state() from RaftLogReader to RaftStorage #893
• Change: move runtime config API to dedicated RuntimeConfigHandle #889
• Change: remove AsyncRuntime::abort() #1012
• Change: remove N, LS, SM from Raft<C, N, LS, SM> #941
• Change: remove deprecated RaftNetwork methods without option argument #1028
• Change: remove openraft-0.7 compatibility support #1033

New Features

• Feature: Add Raft::begin_receiving_snapshot() #1008
• Feature: Add new methods to openraft::metrics::Wait #960
• Feature: Add random number generator to AsyncRuntime #995
• AsyncRuntime::oneshot #1026
• Feature: RaftNetwork::snapshot() to send a complete snapshot #1009
• Feature: add 'singlethreaded' raft mode #878
• Feature: add ChangeMembers::SetNodes #876
• Feature: add Raft::get_snapshot() to get the last snapshot from state machine #1000
• Feature: add PayloadTooLarge error #951
• Feature: add Raft::access_raft_state() to access RaftState with a function #957
• Feature: add Raft::data_metrics() and Raft::server_metrics() #990
• Feature: add Raft::ensure_linearizable() to ensure linearizable read #964
• Feature: add Raft::install_complete_snapshot() to install a snapshot #1002
• Feature: add Wait::eq() and ge() to await a metics #967
• Feature: add Wait::voter_ids() and deprecate Wait::members() #961
• Feature: add feature flag "tracing-log" to emit log record for tracing event #908
• Feature: add trait RaftLogStorageExt to provide additional raft-log methods #1034
• Feature: feature flag generic-snapshot-data #1016
• Feature: permit follower log to revert to earlier state with --features loosen-follower-log-revert #903
• Feature: save committed log id #897

Bug Fix

• Fix: AsyncReadExt::read_buf() only reads at most 2MB per call #925
• Fix: Do not report snapshot.last_log_id to metrics until snapshot is finished building/installing #913
• Fix: End tick_loop() when the receiver is gone. #930
• Fix: For single-threaded execution, there is no need for Send/Sync bounds #934
• Fix: Remove implementation of Instant for std::time::Instant #1001
• Fix: Split serde bound for RaftError into serialize and deserialize #991
• Fix: avoid panic with "loosen-follower-log-revert" enabled #937
• Fix: restore replication progress when a leader starts up #884

New Contributors

• @wvwwvwwv made their first contribution in Change: add AsyncRuntime type parameter to RaftTypeConfig #869
• @caicancai made their first contribution in Doc: add License link #932
• @pfwang80s made their first contribution in Chore: make case append_to_log more rigorous #952
• @marvin-j97 made their first contribution in readme: fix dead link #953
• @tvsfx made their first contribution in Refactor: update raft-kv-memstore example to use storage v2 #977
• @getong made their first contribution in Refactor: delete async-trait, fix typo, use tokio to replace async_std #998
• @Miaxos made their first contribution in AsyncRuntime::oneshot #1026

Full Changelog: v0.8.9...v0.9.0-alpha.10

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[drmingdrmer]

https://github.com/datafuselabs/openraft/releases/tag/v0.9.0