(Resend the change list below.)
Change list of ratis 3.0.0
In total, there are roughly 100 commits diffing from 2.5.1
# Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (#731)
- RATIS-1871. Auto format RaftStorage when there is only one
directory configured. (#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (#741)
- RATIS-1704. Fix SuppressWarnings("VisibilityModifier") in
RatisMetrics. (#742)
- RATIS-1710. Refactor metrics api and implementation to separated
modules. (#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the
dependency (#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the
client side. (#635)
# New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (#897)
- RATIS-1866. Maintain leader lease after AppendEntries (#898)
- RATIS-1894. Implement ReadOnly based on leader lease (#925)
- RATIS-1882. Support read-after-write consistency (#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when
stopping to adapt to different services (#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (#961)
- RATIS-1918. Introduces parameters that separately control the
shutdown of RaftServerProxy by JVMPauseMonitor. (#950)
- RATIS-1636. Support re-config ratis properties (#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (#901)
# Improvements & Bug Fixes
## Streaming & Netty
- RATIS-1550. Rewrite stream client reply queue. (#740)
- RATIS-1847. Stream has memory leak. (#884)
- RATIS-1850. When the stream server side receives a disconnection,
memory is cleared (#887)
- RATIS-1853. When the stream server channelInactive, all requests in
the channel. (#889)
- RATIS-1880. Optimize Stream client&server side channel pipeline Create (#910)
- RATIS-1898. Netty should use EpollEventLoopGroup by default (#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (#932)
- RATIS-1913. Assert that the primary peers in DataStreamClient and
RoutingTable are equal (#945)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (#955)
- RATIS-1923. Netty: atomic operations require side-effect-free
functions. (#956)
## Read Index
- RATIS-1856. Notify apply index change of all RaftLog entries (#893)
- RATIS-1895. IllegalStateException: Failed to updateIncreasingly for
nextIndex. (#926)
- RATIS-1861. NullPointerException in readAsync when Ratis leader is
changing (#895)
- RATIS-1888. Handle exception of readIndexAsync in gRPC readIndex impl (#920)
- RATIS-1927. Use double check to eliminate data race in ReadRequests. (#958)
## RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (#923)
- RATIS-1889. NoSuchMethodError:
RaftServerMetricsImpl.addNumPendingRequestsGauge #922 (#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (#927)
- RATIS-1902. The snapshot index is set incorrectly in
InstallSnapshotReplyProto. (#933)
- RATIS-1912. Fix infinity election when perform membership change. (#954)
- RATIS-1858. Follower keeps logging first election timeout. (#894)
## AppendEntries & GrpcLogAppender
- RATIS-1804. Change the default number of outstanding append entries. (#838)
- RATIS-1883. Next Index should be always larger than Match Index in
GrpcLogAppender (#914)
- RATIS-1886. AppendLog sleep fixed time cause significant drop in
write throughput. (#929)
- RATIS-1909. Fix Decreasing Next Index When GrpcLogAppender Reset
Client. (#939)
- RATIS-1920. NPE in AppendLogResponseHandler. (#952)
- RATIS-1928. Join the LogAppenders when closing the server. (#959)
- RATIS-1705. Fix metrics leak (#744)
## RaftLog & RaftLog Cache
- RATIS-1887. Gap between segement log (#919)
- RATIS-1890. SegmentedRaftLogCache#shouldEvict should only iterate
over closed segments once (#921)
- RATIS-1893. In SegmentedRaftLogCache, start a daemon thread to
checkAndEvictCache. (#924)
- RATIS-1884. Fix retry cache warning condition (#915)
- RATIS-872. Invalidate replied calls in retry cache. (#942)
- RATIS-1916. OrderAsync does not call handReply. (#948)
## Common Utilities
- RATIS-1932. Create zero-copy Marshaller. (#962)
- RATIS-1910. Deduplicate RaftGroupId and ClientId. (#940)
- RATIS-1867. To uniformly manage the timeout parameters for detecting
gc. (#899)
# Code Cleanup & Refactoring
- RATIS-1870. Refactor hasMajority code during configuration changes. (#902)
- RATIS-1848. Simplify PeerMap inheritance (#885)
- RATIS-1849. Remove unused getRaftClient (#886)
- RATIS-1854. Remove useless error logs when closing the ratisclient
writing thread (#890)
- RATIS-1904. Refactor RaftServerImpl.submitClientRequestAsync(..). (#935)
# Code Improvement
- RATIS-1852. Fix trivial SonarLint complains (#888)
- RATIS-1855. Fix some sonar code smell and bugs in ratis-server (#892)
- RATIS-1903. Fix parameter number warning in RaftClientRequest. (#934)
- RATIS-1905. Fix some sonar lint complains (#936)
- RATIS-1915. Do not use FileInputStream/FileOutputStream in
ratis-common. (#947)
- RATIS-1917. Print Epoll.unavailabilityCause() only once. (#949)
- RATIS-1919. Fix some sonar code smell and bugs in
ratis-client/common/grpc (#951)
# Documentations & Examples
- RATIS-1842. Fix typo of "configuraions.md" name in ratis-docs project (#880)
- RATIS-1843. Add existing markdown documents to site.xml in the
ratis-docs project (#881)
- RATIS-1901. Update Counter example to benchmark performance. (#953)
- RATIS-1908. Keep configurations doc updated (#938)
- RATIS-1911. Add MembershipManager example. (#941)
# Tests
- RATIS-1828. Enable TestServerRestartWithNetty (#869)
- RATIS-1830. Intermittent failure in TestRetryPolicy (#871)
- RATIS-1832. Intermittent failure in TestStreamObserverWithTimeout (#873)
- RATIS-1833. Intermittent failure in
TestRaftStateMachineExceptionWithSimulatedRpc (#874)
- RATIS-1599. Fix test failure from RATIS-1569. (#659)
# Build & Maven
- RATIS-1829. Support magic links to PR and JIRA in IDEA (#870)
- RATIS-1878. checkstyle fails with UnsupportedClassVersionError. (#909)
- RATIS-1906. Bump copyright year to 2023 (#937)
- RATIS-1914. Bouncy Castle For Java LDAP injection vulnerability. (#944)
- RATIS-1929. Bump ratis-thirdparty version to 1.0.5 (#960)
