Version 1.9.0

Status of this release

Apache Flume 1.9.0 is the eleventh release of Flume as an Apache top-level project (TLP). Apache Flume 1.9.0 is production-ready software.

Release Documentation

• Flume 1.9.0 User Guide (also in pdf)
• Flume 1.9.0 Developer Guide (also in pdf)
• Flume 1.9.0 API Documentation

Changes

Release Notes - Flume - Version v1.9.0

** New Feature

• [FLUME-2071] - Flume Context doesn’t support float or double configuration values.
• [FLUME-2442] - Need an alternative to providing clear text passwords in flume config
• [FLUME-3142] - Adding HBase2 sink

** Improvement

• [FLUME-2653] - Allow inUseSuffix to be null/empty
• [FLUME-2854] - Parameterize jetty version in pom
• [FLUME-2977] - Upgrade RAT to 0.12
• [FLUME-3050] - add counters for error conditions and expose to monitor URL
• [FLUME-3182] - Please add support for SSL/TLS for syslog (tcp) & multi_port syslog (tcp) sources
• [FLUME-3186] - Make asyncHbaseClient configuration parameters available from flume config
• [FLUME-3223] - Flume HDFS Sink should retry close prior to performing a recoverLease
• [FLUME-3227] - Add Rate Limiter to StressSource
• [FLUME-3239] - Do not rename files in SpoolDirectorySource
• [FLUME-3246] - Validate flume configuration to prevent larger source batch size than the channel transaction capacity
• [FLUME-3269] - Support JSSE keystore/trustore -D system properties
• [FLUME-3275] - Components supporting SSL/TLS should be able to specify protocol list
• [FLUME-3276] - Components supporting SSL/TLS should be able to specify cipher suite list
• [FLUME-3280] - Improve maven build to help code reviews by adding static code analyzer to it
• [FLUME-3281] - Update to Kafka 2.0 client
• [FLUME-3282] - Use slf4j in every component

** Bug

• [FLUME-1282] - Flume 1.x build fails on Maven 2
• [FLUME-2232] - Add findbugs to Flume build
• [FLUME-2436] - Make hadoop-2 the default build profile
• [FLUME-2464] - Remove hadoop-2 profile
• [FLUME-2786] - It will enter a deadlock state when modify the conf file before I stop flume-ng
• [FLUME-2894] - Flume components should stop in the correct order (graceful shutdown)
• [FLUME-2973] - Deadlock in hdfs sink
• [FLUME-2976] - Exception when JMS source tries to connect to a Weblogic server without authentication
• [FLUME-2988] - Kafka Sink metrics missing eventDrainAttemptCount
• [FLUME-2989] - Kafka Channel metrics missing eventTakeAttemptCount and eventPutAttemptCount
• [FLUME-3056] - TestApplication hangs indefinitely
• [FLUME-3101] - taildir source may endless loop when tail a file
• [FLUME-3106] - When batchSize of sink greater than transactionCapacity of Memory Channel, Flume can produce endless data
• [FLUME-3107] - When batchSize of sink greater than transactionCapacity of File Channel, Flume can produce endless data
• [FLUME-3114] - Upgrade commons-httpclient library dependency
• [FLUME-3117] - Application can be dead loop when call System.exit() in methodconfigure
• [FLUME-3133] - Add a ipHeader config in Syslog Sources
• [FLUME-3201] - Fix SyslogUtil to handle RFC3164 format in december correctly
• [FLUME-3218] - Fix external process config filter test
• [FLUME-3222] - java.nio.file.NoSuchFileException thrown when files are being deleted from the TAILDIR source
• [FLUME-3237] - Handling RuntimeExceptions coming from the JMS provider in JMSSource
• [FLUME-3253] - JP Morgan Chase scan shows vulnerabilities for Splunk App using Apache Flume 1.8
• [FLUME-3265] - Cannot set batch-size for LoadBalancingRpcClient
• [FLUME-3270] - Close JMS resources in JMSMessageConsumer constructor in case of failure
• [FLUME-3278] - Handling -D keystore parameters in Kafka components
• [FLUME-3294] - Fix polling logic in TaildirSource
• [FLUME-3298] - Make hadoop-common optional in flume-ng-hadoop-credential-store-config-filter
• [FLUME-3299] - Fix log4j scopes in pom files

** Sub-task

• [FLUME-3158] - Upgrade surefire version and config
• [FLUME-3243] - Increase the default of hdfs.callTimeout and document it’s deprecation
• [FLUME-3303] - Mention future configuration change in the release notes

** Test

• [FLUME-3195] - Split up the TestKafkaChannel class

** Wish

• [FLUME-3087] - Change log level from WARN to INFO when using default “maxIOWorkers” value.

** Task

• [FLUME-3183] - Maven: generate SHA-512 checksum during deploy

** Dependency upgrade

• [FLUME-2698] - Upgrade Jetty Version
• [FLUME-3115] - Upgrade netty library dependency
• [FLUME-3194] - upgrade derby to the latest (1.14.1.0) version

** Documentation

• [FLUME-1342] - Document JMX monitoring API
• [FLUME-2723] - Document the requirement that Channel’s transactionCapacity >= batchSize of the source/sink
• [FLUME-3051] - Mention the incompatibility of Kafka source with 0.8.x Kafka brokers
• [FLUME-3228] - Incorrect parameter name in timestamp interceptor docs