Lettuce 5.1.0.M1 发布，带来 5 大功能特性变更

内容简介：Lettuce 5.1.0.M1 发布，这是 Lettuce 5.1 发布的第一个预览版本，包含改进和错误修复。Lettuce 5.1.0.M1 需要 Java 8，Java 9 或 Java 10 环境。 此次比较显著的变化有： Redis Streams 的 API 预览 异步池实现 ...

Lettuce 5.1.0.M1 发布，这是 Lettuce 5.1 发布的第一个预览版本，包含改进和错误修复。Lettuce 5.1.0.M1 需要 Java 8，Java 9 或 Java 10 环境。

此次比较显著的变化有：

• Redis Streams 的 API 预览
  

• 异步池实现
  

• SCAN 流和初始化
  

• 全局命令超时（默认情况下禁用）
  

• 主/从和 Sentinel 的异步连接方法
  

具体更新内容如下：

Commands

• Add AUTH option to MIGRATE command #733

• Add MASTER type to KillArgs #760

Enhancements

• Support for command timeouts (async, reactive) #435

• Use object pooling for collections inside a single method and Command/CommandArgs with a small scope #459

• Add support for Redis streams #606

• Introduce dedicated exceptions for NOSCRIPT and BUSY responses #620 (Thanks to @DaichiUeura)

• Non-blocking connection pooling #631

• Introduce fast-path publishing in RedisPublisher #637

• Add reactive scanning #638

• Asynchronous connection initialization #640

• Create reusable abstraction for non-blocking and keyed connection provider #642

• Expose asynchronous connect method for Master/Slave connections #643

• Add SocketAddressOutput to directly parse SENTINEL get-master-addr-by-name output #644

• Misleading wasRolledBack method #662 (Thanks to @graineri)

• Read from random slave preferred #676 (Thanks to @petetanton)

• Introduce exception to represent Redis LOADING response #682

• Do not fail if COMMAND command fails on startup #685 (Thanks to @pujian1984)

• CommandHandler.write() is O(N^2) #709 (Thanks to @gszpak)

• Cluster topology lookup should not replaces self-node details with host and port from RedisURI when RedisURI is load balancer #712 (Thanks to @warrenzhu25)

• Optimize Partitions/RedisClusterNode representation #715

• Unnecessary copying of byteBuf in CommandHandler.decode() #725 (Thanks to @gszpak)

• Add unknown node as trigger for adaptive refresh #732

Fixes

• PING responses are not decoded properly if Pub/Sub connection is subscribed #579

• Lettuce doesn't fail early & cleanly with a host in protected mode #608 (Thanks to @exercitussolus)

• CommandHandler.rebuildQueue() causes long locks #615 (Thanks to @nikolayspb)

• Request queue size is not cleared on reconnect #616 (Thanks to @nikolayspb)

• BITPOS should allow to just specify start. #623 (Thanks to @christophstrobl)

• HMGET proxy not working as expected #627 (Thanks to @moores-expedia)

• Consider binary arguments using command interfaces as keys using binary codecs #628

• Command.isDone() not consistent with CompletableFuture.isDone() #629

• Race condition in RedisPublisher DEMAND.request() and DEMAND.onDataAvailable() #634 (Thanks to @mayamoon)

• RedisPublisher.request(-1) does not fail #635

• Capture subscription state before logging in RedisPublisher #636

• Provide Javadoc path for Project Reactor #641

• Debug logging of ConnectionWatchdog has wrong prefix after reconnect. #645 (Thanks to @mlex)

• Cannot close connection when refreshing topology #656 (Thanks to @dangtranhoang)

• Weights param should be ignored if it is empty #657 (Thanks to @garfeildma)

• MasterSlave getNodeSpecificViews NPE with sync API #659 (Thanks to @boughtonp)

• RandomServerHandler can respond zero bytes #660

• ConcurrentModificationException when connecting a RedisClusterClient #663 (Thanks to @blahblahasdf)

• Switch RedisSubscription.subscriber to volatile #664

• Recovered Sentinels in Master/Slave not reconnected #668

• Handling dead Sentinel slaves #669 (Thanks to @vleushin)

• Move SocketAddressResolver resolution back to calling thread #670

• Support SLAVE_PREFERRED at valueOf method #671 (Thanks to @be-hase)

• RedisCommandTimeoutException after two subsequent MULTI calls without executing the transaction #673 (Thanks to @destitutus)

• Fix ConnectionWatchDog won't reconnect problem in edge case #679 (Thanks to @kojilin)

• At least once mode keeps requeueing commands on non-recoverable errors #680 (Thanks to @mrvisser)

• Retain ssl/tls config from seed uris in Master/Slave context #684 (Thanks to @acmcelwee)

• NOAUTH after full queue and reconnect #691

• RedisURI.create("localhost") causes NPE #694

• Async connect methods report original cause #708

• Mono returned by RedisPubSubReactiveCommands#subscribe does not return result #717 (Thanks to @ywtsang)

• RuntimeExceptions thrown by implementations of RedisCodec do not fail TransactionCommands #719 (Thanks to @blahblahasdf)

• Connection Leak in Cluster Topology Refresh #721 (Thanks to @cweitend)

• Ensure Master/Slave topology refresh connections are closed #723

• RedisPubSubAdapter.message() being called with wrong channel #724 (Thanks to @adimarco)

• Batched commands may time out although data was received #729

• DefaultEndpoint future listener recycle lose command context on requeue failures #734 (Thanks to @gszpak)

• AsyncPool, AsyncConnectionPoolSupport are nowhere to be found #739 (Thanks to @fabienrenaud)

• firstResponseLatency is always negative #740 (Thanks to @nickvollmar)

• EXEC does not fail on EXECABORT #743 (Thanks to @dmandalidis)

• Warning when refreshing topology #756 (Thanks to @theliro)

• DefaultEndpoint.QUEUE_SIZE becomes out of sync, preventing command queueing #764 (Thanks to @nivekastoreth)

• DefaultEndpoint contains System.out.println(…) #765

• Do not retry completed commands through RetryListener #767

Other

• Upgrade to netty 4.0.53.Final/4.1.17.Final #646

• Upgrade to Reactor Bismuth SR4 #647

• Upgrade to Spring Framework 4.3.12 #648

• Upgrade to Commons Pool 2.4.3 #650

• Upgrade to RxJava 1.3.3 #651

• Upgrade to RxJava2 2.1.6 #652

• Upgrade to HdrHistogram 2.1.10 #653

• Upgrade Redis versions on TravisCI #655

• Upgrade to Reactor Bismuth SR5 #698

• Upgrade to netty 4.1.21.Final #699

• Upgrade to RxJava 1.3.6 #700

• Upgrade to RxJava 2.1.9 #701

• Upgrade to Reactor Bismuth SR6 #704

• Upgrade to Netty 4.1.22 #744

• Upgrade to RxJava 1.3.7 #745

• Upgrade to Spring Framework 4.3.14 #746

• Upgrade to Mockito 2.17 #747

• Upgrade to AssertJ 3.9.1 #748

• Upgrade to Log4j 2.11.0 #749

• Upgrade to commons-lang3 3.7 #750

• Upgrade to netty 4.1.23.Final #755

• Upgrade to Reactor Bismuth SR8 #758

• Upgrade to RxJava 1.3.8 #759

• Extend documentation for argument objects #761

• Upgrade to JavaParser 3.6.3 #769

• Upgrade to netty 4.1.24.Final #770

• Upgrade to RxJava 2.1.13 #771

详情见发布公告。

下载地址：

•  lettuce-core-5.1.0.M1-bin.tar.gz

•  lettuce-core-5.1.0.M1-bin.tar.gz.asc

•  lettuce-core-5.1.0.M1-bin.tar.gz.md5

•  lettuce-core-5.1.0.M1-bin.tar.gz.sha1

•  lettuce-core-5.1.0.M1-bin.zip

•  lettuce-core-5.1.0.M1-bin.zip.asc

•  lettuce-core-5.1.0.M1-bin.zip.md5

•  lettuce-core-5.1.0.M1-bin.zip.sha1

•  Source code (zip)

•  Source code (tar.gz)

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