v0.9.0

[drmingdrmer]

Upgrade guide from 0.8 to 0.9:
https://docs.rs/openraft/latest/openraft/docs/upgrade_guide/upgrade_08_09/index.html

What's Changed

Change:

• Change: remove AsyncRuntime::abort() #1012 by @drmingdrmer
• Change: remove deprecated RaftNetwork methods without option argument #1028 by @drmingdrmer
• Change: rename Raft::install_complete_snapshot() to install_full_snapshot() #1030 by @drmingdrmer
• Change: remove openraft-0.7 compatibility support #1033 by @drmingdrmer
• Change: Raft::begin_receiving_snapshot() does not need to check Vote #1037 by @drmingdrmer
• Change: Raft::begin_receiving_snapshot() return only Fatal error. #1038 by @drmingdrmer
• Change: StoreBuilder does not need to run a test, it only needs to build a store #730 by @drmingdrmer
• Change: remove Clone from trait AppData #740 by @drmingdrmer
• Change: instead of a slice, RaftStorage::append_to_log() now accepts an IntoIterator #742 by @drmingdrmer
• Change: remove unused trait RaftStorageDebug #759 by @drmingdrmer
• Change: remove defensive check utilities #761 by @drmingdrmer
• Change: move RaftStateMachine out of RaftStorage #763 by @drmingdrmer
• Change: RaftMetrics.replication type to BTreeMap<NodeId, Option<LogId>> #785 by @drmingdrmer
• Change: move snapshot type definition from storage traits to RaftTypeConfig #799 by @drmingdrmer
• Change: remove unused error CommittedAdvanceTooMany #838 by @drmingdrmer
• Change: add AsyncRuntime type parameter to RaftTypeConfig #869 by @wvwwvwwv
• Change: move external command trigger to dedicated Trigger struct #888 by @drmingdrmer
• Change: move runtime config API to dedicated RuntimeConfigHandle #889 by @drmingdrmer
• Change: RaftLogReaderExt::get_log_id() should not return last-purged-id #892 by @drmingdrmer
• Change: move get_log_state() from RaftLogReader to RaftStorage #893 by @drmingdrmer
• Change: remove N, LS, SM from Raft<C, N, LS, SM> #941 by @drmingdrmer
• Change: #959 ditch async_trait for the singlethreade feature #982 by @wvwwvwwv

Feature:

• Feature: add Raft::get_snapshot() to get the last snapshot from state machine #1000 by @drmingdrmer
• Feature: add Raft::install_complete_snapshot() to install a snapshot #1002 by @drmingdrmer
• Feature: Add Raft::begin_receiving_snapshot() #1008 by @drmingdrmer
• Feature: RaftNetwork::snapshot() to send a complete snapshot #1009 by @drmingdrmer
• Feature: feature flag generic-snapshot-data #1016 by @drmingdrmer
• AsyncRuntime::oneshot #1026 by @Miaxos
• Feature: add trait RaftLogStorageExt to provide additional raft-log methods #1034 by @drmingdrmer
• Feature: define custom Entry type for raft log #720 by @drmingdrmer
• Feature: add methods to StorageIOError to simplify error creation #738 by @drmingdrmer
• Feature: add backoff strategy for unreachable nodes #779 by @drmingdrmer
• Feature: add RaftMetrics::purged to report the last purged log id #809 by @drmingdrmer
• Feature: add Wait::purged() to wait for purged to become the expected #810 by @drmingdrmer
• Feature: add RaftMetrics.vote, Wait::vote() #815 by @drmingdrmer
• Feature: new RaftNetwork API with argument RCPOption #825 by @drmingdrmer
• Feature: RaftNetwork::send_append_entries() can return PartialSuccess #831 by @drmingdrmer
• Feature: leader lease #848 by @drmingdrmer
• Feature: add SnapshotPolicy::Never #854 by @drmingdrmer
• Feature: add Raft::purge_log() #855 by @drmingdrmer
• Feature: add ChangeMembers::SetNodes #876 by @drmingdrmer
• Feature: add 'singlethreaded' raft mode #878 by @wvwwvwwv
• Feature: save committed log id #897 by @drmingdrmer
• Feature: permit follower log to revert to earlier state with --features loosen-follower-log-revert #903 by @drmingdrmer
• Feature: add feature flag "tracing-log" to emit log record for tracing event #908 by @drmingdrmer
• Feature: add PayloadTooLarge error #951 by @drmingdrmer
• Feature: add Raft::access_raft_state() to access RaftState with a function #957 by @drmingdrmer
• Feature: Add new methods to openraft::metrics::Wait #960 by @drmingdrmer
• Feature: add Wait::voter_ids() and deprecate Wait::members() #961 by @drmingdrmer
• Feature: add Raft::ensure_linearizable() to ensure linearizable read #964 by @drmingdrmer
• Feature: add Wait::eq() and ge() to await a metics #967 by @drmingdrmer
• Feature: add Raft::data_metrics() and Raft::server_metrics() #990 by @YangKian
• Feature: Add random number generator to AsyncRuntime #995 by @schreter

Fix:

• Fix: Remove implementation of Instant for std::time::Instant #1001 by @schreter
• Fix: install_snapshot() should return local vote, not request vote #1042 by @drmingdrmer
• Fix: trait RaftLogId should be public #726 by @drmingdrmer
• Fix: if the application does not persist snapshot, build a snapshot when starting up #768 by @drmingdrmer
• Fix: debug level check #780 by @drmingdrmer
• Fix: replication should be able to shutdown when replicating snapshot to unreachable node #811 by @drmingdrmer
• Fix: add_learner() should block forever #847 by @drmingdrmer
• Fix: restore replication progress when a leader starts up #884 by @drmingdrmer
• Fix: Do not report snapshot.last_log_id to metrics until snapshot is finished building/installing #913 by @drmingdrmer
• Fix: AsyncReadExt::read_buf() only reads at most 2MB per call #925 by @drmingdrmer
• Fix: End tick_loop() when the receiver is gone. #930 by @schreter
• Fix: For single-threaded execution, there is no need for Send/Sync bounds #934 by @schreter
• Fix: avoid panic with "loosen-follower-log-revert" enabled #937 by @drmingdrmer
• Fix: Split serde bound for RaftError into serialize and deserialize #991 by @tvsfx

Improve:

• Improve: send AppendEntries response before committing entries #751 by @drmingdrmer
• Improve: move state machine operations to another task #767 by @drmingdrmer
• Improve: getting a snapshot does not block RaftCore task #773 by @drmingdrmer
• Improve: reduce rate to flush metrics #782 by @drmingdrmer
• Improve: build snapshot in anohter task #816 by @drmingdrmer

New Contributors

• @HHoflittlefish777 made their first contribution in Refactor : replace openraft::core::sm::Received with openraft::storage::Snapshot #842
• @leiysky made their first contribution in Doc: remove deprecated document reference #849
• @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: v0.8.3...v0.9.0

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This discussion was created from the release v0.9.0.