Issues

Add the ability for operators in a delay loop to start at same checkpoint in case of failure

GenericNodeTest clutters test logs with unnecessary statement printed at INFO level

Make App Data Push transport pluggable and configurable

Two threads can try to reconnect to websocket server upon disconnection from websocket server

removeTerminatedPartition fails for Unifier operator

Fix existing checkstyle violations in bufferserver module

Attributes added to operator inside Module is not preserved.

apex-app-archetype still referers to malhar com.datatorrent

Enforce checkstyle validations on test classes

Provide concrete implementation of AbstractReservoir based on SpscArrayQueue

Fix existing checkstyle violations in common module

Fix existing checkstyle violations in api

Checkpoint Can Be Performed Twice For The Same Window

THREAD_LOCAL support for DelayOperator

Add downloads page to apex site

Enhance the contributing guidelines with examples

Use BlockingQueue to pass data to the buffer server

Make buffer server optional and enabled by default

FastClassReaderTest is failing

Create Unit Test That Verifies that Checkpointed Is Only Called After A Checkpoint Is Finished Persisting To HDFS

Introduce Abstract and Forwarding Reservoir classes

Apex archetype includes dependencies which don't belong to org.apache.apex

Replace CircularBuffer with SpscArrayQueue from JCTools

Journal output stream is null error message

Exclude DtCli from System.out checks

Enforce class, method, constructor annotations on a separate line

Increase wrapping indentation from 2 to 4.

Implement DefaultDelayOperator

Add capability in the engine to let the operator know about the next checkpoint window

Core engine should fabricate the first window when recovering from failure or at the start of the application for DelayOperator.

Implement window delay in the engine with DelayOperator

Core engine to support loops with DelayOperator

Create SimpleDelayOperator

Create DelayOperator interface

Upgrade checkstyle to 6.12 from 6.11.2

Update Apex community page with meetup links

Apex engine artifact does not have version information

Phase 1 for APEX-163

Explicit support for batch processing

Investigate other ways to specify properties in property files

Ability to specify single instance objects in property file specification

Ability to add new processing code to the DAG

Ability to configure attributes dynamically

Limit line lengths to be 120

Upgrade checkstyle maven plugin (2.17) and checkstyle dependency (6.11.2)

Add maven 3.0.5 as prerequisites to the Apex parent pom

Enforce left brace placement for anonymous class on the next line

Strictly enforce wrapping indentation in checkstyle

Add isConnected method to DefaultInputPort