| |
| <p> |
| Release Notes - Apache S4 - Version 0.5.0 |
| </p> |
| <p> |
| S4 is a general-purpose, distributed, scalable, partially fault-tolerant, pluggable platform |
| that allows programmers to easily develop applications for processing continuous unbounded streams of data. |
| </p> |
| <p> |
| Apache S4 0.5.0 is the first release of S4 as an Apache Incubator project. |
| It is also a complete refactoring of the previous S4 codebase. |
| </p> |
| |
| <h2> Sub-task |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-24'>S4-24</a>] - Dynamic deployment of S4 applications from a remote repository |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-29'>S4-29</a>] - Remove file-based configurations |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-33'>S4-33</a>] - TestUtils and modules should be split across s4-comm and s4-core |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-36'>S4-36</a>] - CommTests should use ZkBasedClusterManagement |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-65'>S4-65</a>] - Create s4 status command |
| </li> |
| </ul> |
| |
| <h2> Bug |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-12'>S4-12</a>] - Dynamic Method Dispatching |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-14'>S4-14</a>] - Listener.recv() behavior when interrupted |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-18'>S4-18</a>] - gradle test fails |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-23'>S4-23</a>] - NettyEmitter -- 1. Infinitely waiting on connection, 2. numPartitions is same as numClusterNodes |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-26'>S4-26</a>] - standalone application build script fails when the source directory contains more than 1 class |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-43'>S4-43</a>] - Replace deprecated method in Gradle |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-56'>S4-56</a>] - Prevent concurrent access to published s4r files |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-61'>S4-61</a>] - Threads running the PEs don't have a Context Class Loader |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-63'>S4-63</a>] - onTime() events are not synchronized correctly |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-70'>S4-70</a>] - s4 node command ignores -zk parameter |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-71'>S4-71</a>] - s4 deploy mismanages s4r URI |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-74'>S4-74</a>] - NullPointerException on TCPEmitter.onChange() |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-82'>S4-82</a>] - Fix local communication optimization |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-87'>S4-87</a>] - Checkpointing: recovery : avoid rejections upon fetching |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-89'>S4-89</a>] - Fix references to S4 libs when resolving classpath for adapter in new S4 application |
| </li> |
| </ul> |
| |
| <h2> Improvement |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-6'>S4-6</a>] - Netty initialization |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-17'>S4-17</a>] - Put tmp dir under build |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-21'>S4-21</a>] - Create standard PEs, and Event classes |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-22'>S4-22</a>] - Adaptor + inter app communication |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-27'>S4-27</a>] - extensions to cluster configuration through Zookeeper |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-34'>S4-34</a>] - Rename s4.comm.netty and constituents to s4.comm.tcp |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-44'>S4-44</a>] - optional backoff upon multiple consecutive failed checkpoint fetches |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-57'>S4-57</a>] - Document and improve the windowing PE |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-60'>S4-60</a>] - Development mode for rapid application development and testing |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-67'>S4-67</a>] - S4R packaging: improve packaging of dependencies |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-69'>S4-69</a>] - Update gradle to 1.0 |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-72'>S4-72</a>] - Resource loading from S4R |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-75'>S4-75</a>] - Code improvements in comm layer |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-78'>S4-78</a>] - Gradle tasks don't finish as soon as possible |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-81'>S4-81</a>] - S4 tools syntax: remove curly braces + expose custom modules config |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-85'>S4-85</a>] - Improve handling of ZK connection changes |
| </li> |
| </ul> |
| |
| <h2> New Feature |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-4'>S4-4</a>] - Dynamic App Loading |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-11'>S4-11</a>] - add checkpointing mechanism to s4-piper |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-38'>S4-38</a>] - S4 command line utility |
| </li> |
| </ul> |
| |
| <h2> Task |
| </h2> |
| <ul> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-31'>S4-31</a>] - Facilities for packaging example and test apps |
| </li> |
| <li>[<a href='https://issues.apache.org/jira/browse/S4-88'>S4-88</a>] - Prepare 0.5.0 release |
| </li> |
| </ul> |
