Apache Apex Core 3.3.0 发布,该版本目前还是在 Apache 基金会的孵化阶段。 Apache Apex 是一个企业级的统一流和批处理引擎。提供高度可伸缩、高性能、容错、有状态、安全和分布式的大数据处理,同时操作起来非常简单容易。 新版本改进记录包括: Sub-task [APEXCORE-104] - Expand Module DAG [APEXCORE-105] - Support injecting properties through xml file on modules. [APEXCORE-144] - Provide REST api for listing information about module. [APEXCORE-151] - Provide code style templates for major IDEs (Eclipse, IntelliJ and NetBeans) [APEXCORE-182] - Add Apache copyright to IntelliJ [APEXCORE-194] - Add support for ProxyPorts in Modules [APEXCORE-226] - Strictly enforce wrapping indentation in checkstyle [APEXCORE-227] - Enforce left brace placement for anonymous class on the next line [APEXCORE-230] - Limit line lengths to be 120 [APEXCORE-239] - Upgrade checkstyle to 6.12 from 6.11.2 [APEXCORE-248] - Increase wrapping indentation from 2 to 4. [APEXCORE-249] - Enforce class, method, constructor annotations on a separate line [APEXCORE-250] - Exclude DtCli from System.out checks [APEXCORE-267] - Fix existing checkstyle violations in api [APEXCORE-270] - Enforce checkstyle validations on test classes [APEXCORE-272] - Attributes added to operator inside Module is not preserved. [APEXCORE-273] - Fix existing checkstyle violations in bufferserver module [APEXCORE-306] - Recovery checkpoint handing in iteration loops Bug [APEXCORE-58] - endWindow is being called even when the operator is being undeployed [APEXCORE-83] - beginWindow not called on recovery [APEXCORE-193] - apex-app-archetype has extraneous entry that generates a warning when running it [APEXCORE-204] - Update checkstyle and codestyle to be the same [APEXCORE-211] - Brace placement after static blocks in checkstyle configuration [APEXCORE-263] - Checkpoint can be performed twice for same window [APEXCORE-274] - removeTerminatedPartition fails for Unifier operator [APEXCORE-275] - Two threads can try to reconnect to websocket server upon disconnection [APEXCORE-278] - GenericNodeTest clutters test logs with unnecessary statement [APEXCORE-296] - Memory leak in operator stats processing [APEXCORE-300] - Fix checkstyle regular expression [APEXCORE-303] - Launch properties not evaluated Improvement [APEXCORE-40] - Semver dependencies should be in Maven Central [APEXCORE-162] - Enhance StramTestSupport.TestMeta API [APEXCORE-181] - Expose methods in StramWSFilterInitializer to get the RM webapp address [APEXCORE-188] - Make type graph lazy load [APEXCORE-199] - CLI should check for version compatibility when launching app package [APEXCORE-228] - Add maven 3.0.5 as prerequisites to the Apex parent pom [APEXCORE-229] - Upgrade checkstyle maven plugin (2.17) and checkstyle dependency (6.11.2) [APEXCORE-291] - Provide a way for an operator to specify its metric aggregator instance [APEXCORE-305] - Enable checkstyle violations logging to console during maven build New Feature [APEXCORE-3] - Ability for an operator to populate DAG at launch time [APEXCORE-60] - Iterative processing support [APEXCORE-78] - Pre-Checkpoint Operator Callback [APEXCORE-276] - Make App Data Push transport pluggable and configurable [APEXCORE-283] - Operator checkpointing in distributed in-memory store [APEXCORE-288] - Add group id information to apex app package Task [APEXCORE-24] - Takes out usage of Rhino as it is GPL 2.0 [APEXCORE-186] - Enable license check in Travis CI [APEXCORE-253] - Apex archetype includes dependencies which do not belong to org.apache.apex [APEXCORE-298] - Reduce the severity of line length check [APEXCORE-301] - Add "io" as a separate import to checkstyle rules [APEXCORE-302] - Update NOTICE copyright year [APEXCORE-308] - Implement findbugs plugin reporting [APEXCORE-317] - Run performance benchmark for the Apex Core 3.3.0 release Apache Apex Core 3.3.0-incubating 发布下载地址