Chukwa Change Log

Trunk (unreleased changes)

Release 0.3

  NEW FEATURES

    CHUKWA-344. State-Machine Generation for input to SALSA visualizations. (Jiaqi Tan via asrabkin)

    CHUKWA-384. Added REST API charting capability. (Eric Yang)

    CHUKWA-369. Tolerance of collector failures. (asrabkin)

    CHUKWA-368. New data integrity validation tool. (asrabkin)

    CHUKWA-383. Added embed mode for HICC.  (Eric Yang)

    CHUKWA-382. Added export button to export HICC graph as static image.  (Eric Yang)

    CHUKWA-366. Custom tags. (asrabkin)

    CHUKWA-358. Real-time monitoring at collector. (asrabkin)

    CHUKWA-352. Xtrace in contrib. (asrabkin)

    CHUKWA-346. Simplified sink archiver. (asrabkin)

    CHUKWA-343. Static HDFS Heatmap visualization.   (Jiaqi Tan via asrabkin)

    CHUKWA-342. Static swimlanes visualization widget.   (Jiaqi Tan via asrabkin)

    CHUKWA-299. Added HDFS Spatial heatmaps visualization. (Jiaqi Tan via Eric Yang)

    CHUKWA-185. Ability to tail a whole directory. (asrabkin)

    CHUKWA-280. Added end to end test to detect iostat overflow. (Eric Yang)

    CHUKWA-194.  Backfilling tools.  (Jerome Boulon via asrabkin)

    CHUKWA-253. Added aggregations by user. (Cheng Zhang via Eric Yang)

    CHUKWA-95. Added Web Service API to export data from database. (Terence Kwan via Eric Yang)

    CHUKWA-281. Created pig scripts to perform down sampling. (Cheng Zhang via Eric Yang)

    CHUKWA-20. Added pig support for ChukwaRecords. (Jerome Boulon via Eric Yang)

    CHUKWA-279. Added swim lane visualization for Hadoop job progress. (Jiaqi Tan via Eric Yang)

    CHUKWA-267. Added TaskLogAppender for collecting Task Tracker Log file. (Eric Yang)

    CHUKWA-71. Status/version command for chukwa agent. (asrabkin)

    CHUKWA-271. Added SQL client to HICC for SQL data exploration. (Eric Yang)

    CHUKWA-210. Add new job conf metrics as database columns. (Cheng Zhang via Eric Yang)

    CHUKWA-91.  Additional test case for acks. (asrabkin)

  IMPROVEMENTS

    CHUKWA-406. Improvements to documentation, plus license audit and improved notice. (asrabkin)

    CHUKWA-390. Improvements to asynchronous acknowledgement mechanism. (asrabkin)

    CHUKWA-397. Allow "all" as search pattern. (asrabkin)

    CHUKWA-393. Support using pig on Chunks. (asrabkin)

    CHUKWA-392.  FIFO queueing of threads in collector. (asrabkin)

    CHUKWA-388.  Clean up user interface color.  (Eric Yang)

    CHUKWA-387.  Summarize mode for dumpChunks should count bytes. (asrabkin)

    CHUKWA-379.  Refactor sender code. (asrabkin)

    CHUKWA-374.  Adaptor.getStatus() shouldn't throw exceptions. (asrabkin)

    CHUKWA-373.  Test code for backpressure. (asrabkin)

    CHUKWA-370.  Exec adaptor should commit immediately. (asrabkin)

    CHUKWA-367.  Print metadata in DumpChunks. (asrabkin)

    CHUKWA-74.  Agent shouldn't log exceptions for down collectors. (Rushin Barot via asrabkin)

    CHUKWA-365.  Improved DumpArchive tool. (asrabkin)

    CHUKWA-364.  Design and Architecture document in documentation. (asrabkin)

    CHUKWA-333.  Copy release notes from 0.2 forward to Trunk. (asrabkin)

    CHUKWA-362.  Archiver group-by-cluster conf name shouldn't be hardcoded. (asrabkin)

    CHUKWA-355.  Remove obsolete datacollection.protocol package. (asrabkin)

    CHUKWA-270. ChukwaAgentController no longer uses stdout. (Rushin Barot via asrabkin)

    CHUKWA-356. More powerful file extractor. (asrabkin)

    CHUKWA-350. Improve docs, add programmer guide. (asrabkin)

    CHUKWA-282. Demux should output detailed per-operation ClientTrace records (Jiaqi Tan via asrabkin)

    CHUKWA-341. Heap space in HICC Jetty is configurable. (Jiaqi Tan via asrabkin)

    CHUKWA-284.  Checkpoint includes last byte Acked, not sent. (asrabkin)

    CHUKWA-25.  Archiver can group by cluster name. (asrabkin)
    
    CHUKWA-308. Added capability to start hicc without tomcat. (Eric Yang)

    CHUKWA-326. If the chukwa records produce errors in post process, move to InErrorDirectory. (Jerome Boulon via Eric Yang)

    CHUKWA-318. Added check for disk capacity for collector to write. (Jerome Boulon via Eric Yang)

    CHUKWA-276. Fix hourly and daily rolling to use a single reducer. (Jerome Boulon via Eric Yang)

    CHUKWA-313. Removed the 10 second ack from SeqFileWriter. (Eric Yang)

    CHUKWA-5. Adaptors have durable names. (asrabkin)

    CHUKWA-280. Added end to end test to detect iostat overflow. (Eric Yang)

    CHUKWA-278. Improve post process manager and metric data loader to support data loading from pig aggregation. (Eric Yang)

    CHUKWA-263. Added ability to configure demux parameters during build time. (Jerome Boulon via Eric Yang)

    CHUKWA-195. Update demux compilation to use Hadoop 0.20 jar file. (Jerome Boulon via Eric Yang)

    CHUKWA-268. Expose adaptor manager interface, refactor Agent class hierarchy. (asrabkin)

    CHUKWA-259. More flexible CollectorStub. (asrabkin)

    CHUKWA-274. Improve rate calculation for accumulated values for visualization. (Eric Yang)

    CHUKWA-275. Add standard deviation to statics calculation for HICC charts. (Eric Yang)

    CHUKWA-137. Add collector IP to the dataSink fileName. (Jerome Boulon via asrabkin)

    CHUKWA-258. More detailed logging of SQL errors. (asrabkin)

    CHUKWA-30.  Remove HDFS flush and connection holding in Collector. (Jerome Boulon via asrabkin)

    CHUKWA-142. Remove add(Chunk) from SeqFileWriter.  (Jerome Boulon via asrabkin)

    CHUKWA-82.  Added min,max,average to HICC Charting widget. (Terence Kwan via Eric Yang)

    CHUKWA-219. Improved usability of host selector, and updated caching for host list. (Eric Yang)

  BUG FIXES

    CHUKWA-407. PatternSyntaxExceptions should be sent to client. (thushara wijeratna via asrabkin)

    CHUKWA-402. Added readme and license notice file. (asrabkin)

    CHUKWA-401. Fix race condition in Dir Tailing adaptor test case. (asrabkin) 

    CHUKWA-398. Make ConstRateAdaptor more deterministic. (asrabkin)

    CHUKWA-386. Fix a bug in echo id to the browser for the iframe servlet. (Eric Yang)

    CHUKWA-380. FTA shouldn't emit empty chunks. (asrabkin)

    CHUKWA-378. Disable TestArchive unit test. (asrabkin)

    CHUKWA-377. Revised xtrace adaptor code. (asrabkin)

    CHUKWA-372. select_multiple_callback does not work in hicc (Eric Yang via asrabkin)

    CHUKWA-354. Fix corner case in SinkArchiver. (asrabkin)

    CHUKWA-334. Fix LocalHdfsMover exception handling. (Jerome Boulon via asrabkin)

    CHUKWA-335. Discard meta line in job history file. (Cheng Zhang via asrabkin)

    CHUKWA-330. Make separation between fixed adaptor parameters and optional adaptor parameters for generating adaptor id. (Ari Rabkin via Eric Yang)

    CHUKWA-37. Remove stale and unused bin scripts. (asrabkin)

    CHUKWA-331. Fixed regular expression for down sampling base on record type. (Cheng Zhang via Eric Yang)

    CHUKWA-329. Correction to user job summary script. (Cheng Zhang via Eric Yang)

    CHUKWA-328. Handle empty sequence file more gracefully for MetricDataLoader. (Cheng Zhang via Eric Yang)

    CHUKWA-327. Remove START_TIME="0", FINISH_TIME="0" from JobHistory. (Cheng Zhang via Eric Yang)

    CHUKWA-325. Removed hourly rolling flag from daily rolling. (Jerome Boulon via Eric Yang)

    CHUKWA-324. For 0 matched field, changed MDL to skip empty SQL statement. (Eric Yang)

    CHUKWA-321. Added 2 seconds sleep to avoid chukwa agent race condition. (Eric Yang)

    CHUKWA-319. Added cluster name to pig user aggregation script. (Cheng Zhang via Eric Yang)

    CHUKWA-316. Added explicit rule for MetricDataLoader to prevent loading of data. (Eric Yang)

    CHUKWA-42. Clean up logging of adaptor creation. (Ari Rabkin)

    CHUKWA-312. Fixed chukwa-pig.jar class path for pig aggregation. (Cheng Zhang via Eric Yang)

    CHUKWA-304. Propagate exception upward for database test cases. (Jerome Boulon via Eric Yang)

    CHUKWA-314. Added filtering for start_time to remove invalid value. (Eric Yang)

    CHUKWA-304. Propagate exception upward for database test cases. (Eric Yang)

    CHUKWA-309. Fix MDL configuration for mr_job_conf table. (Cheng Zhang via Eric Yang)

    CHUKWA-301. Set TestFileExpirationPolicy controller port to 0 to avoid race condition. (Jerome Boulon via asrabkin)

    CHUKWA-302. Removed hard coded dependency of Hadoop jar file. (Eric Yang)

    CHUKWA-298. Update branch 0.2 and trunk version number. (Eric Yang)

    CHUKWA-296. Fix jsp syntax error. (Terence Kwan via Eric Yang)

    CHUKWA-294. Added post process data loader configuration.  (Eric Yang)

    CHUKWA-10. Fix TestAgentConfig (asrabkin)

    CHUKWA-291. Append slash to collector paths. (asrabkin)

    CHUKWA-287. Fix collector crash on startup when no args. (Eric Yang via asrabkin)

    CHUKWA-273. Agents correctly use configured collector port numbers. (asrabkin)

    CHUKWA-216. postProcess.sh should use HADOOP_CONF_DIR to find hadoop-site.xml. (Jerome Boulon via asrabkin)

    CHUKWA-261. Added X axis label for non Time Series graphs. (Eric Yang)

Release 0.2 - Unreleased

Release 0.1.2 - 2009-05-14

  INCOMPATIBLE CHANGES

  NEW FEATURES

    CHUKWA-97.  Refactored FileTailers, added LWFTAdaptor. (asrabkin)

    CHUKWA-236. Added migration script for moving database schema for Chukwa 0.1.1 to Chukwa 0.1.2. (Eric Yang)

    CHUKWA-78.  Added down sample SQL aggregation for job data, task data and utilization data. (Eric Yang)

    CHUKWA-17. Collect PS output every 10 minutes and parse into key/value pairs sequence file. (Cheng Zhang via Eric Yang)

    CHUKWA-55. Aggregate data from HDFS bytes usage, and Mapreduce Job slot time to compute user usage of the cluster. (Eric Yang)

    CHUKWA-50.  Added parser for extract Job History and Job Conf into key value pairs, 
                and database loader dictionary file. (Contribute by Cheng Zhang via Eric Yang)

    CHUKWA-69.  Calculate trapezoid area for a given series of data.  (Contribute by Cheng Zhang via Eric Yang)

    CHUKWA-62.  Add script to start tailing files.  (asrabkin)
    
    CHUKWA-12.  Add instrumention Api for Chukwa components.  (Jerome Boulon via asrabkin)

    CHUKWA-14.  Added permalink support to HICC GUI. (Eric Yang)

    CHUKWA-45.  Added docs to folder structure. (Corinne Chandel via asrabkin)

    CHUKWA-13.  Create a new Macro class for macro substitution.
                Changed Aggregator to use Macro class.
                Added macro substitution support to Chukwa Charting.
                Added Macro test case. (Eric Yang)

    HADOOP-4989. Added capability to add scatter chart. (Eric Yang)

  IMPROVEMENTS

    CHUKWA-226. Changed HDFS usage collection frequency from 10 minutes to 60 minutes. (Cheng Zhang via Eric Yang)

    CHUKWA-104. Remove permission setting code for Log4JMetricsContext and ChukwaDailyRollingFileAppender.  (Jerome Boulon via Eric Yang)

    CHUKWA-178. Extend aggregation by 5 minutes for cluster metrics. (Eric Yang)

    CHUKWA-176. Rearrange the parameter order for aggregator.sh. (Eric Yang)

    CHUKWA-173. Parameterize configuration, and enable substitution at build time. (Jerome Boulon via Eric Yang)

    CHUKWA-131. Added additional Mapred job/task metrics.  (Eric Yang)

    CHUKWA-145. Tuned hadoop parameters for demux. (Jerome Boulon via Eric Yang)

    CHUKWA-163. Updated reference to mdl.xml file. (Terence Kwan via Eric Yang)

    CHUKWA-157. Added javadoc target, api-xml, api-report, and change log 2 html. (Eric Yang)

    CHUKWA-141. Updated Chukwa Docs overview page for 0.1.2. (Corinne Chandel via Eric Yang)

    CHUKWA-138. Updated Chukwa Admin Guide. (Corinne Chandel via Eric Yang)

    CHUKWA-128. Added tools to compute aggregation in database. (Eric Yang)

    CHUKWA-112. Updated README file.  (Corinne Chandel via Eric Yang)

    CHUKWA-134. Add release audit target. (Giridharan Kesavan via Eric Yang)

    CHUKWA-80.  Extracted rpm spec file from build.xml file.  Fix start up script, and config script. (Eric Yang)

    CHUKWA-26.  * DemuxManager, ArchiveManager and PostProcessorManager are now a single daemon process each.
                * Each one working independently from others, as soon as something is available.
                * Start-data-processor is now using those new daemons instead of pocessSink.sh
                * Daily will process a daily compaction only when all hourly would have been done.
                * Demux is now able to send NSCA commands to Nagios. (Jerome Boulon via Eric Yang)

    CHUKWA-81.  Fix file descriptor leak.  (asrabkin)

    CHUKWA-29.  Added TaskTracker and DataNode client trace log parser and database loader.  (Chris Douglas via Eric Yang)

    CHUKWA-86. Improved JDBC compatibility layer (Cheng Zhang via Eric Yang)

    CHUKWA-64. Changed version number to 0.1.2, and release number to alpha. (Eric Yang)

    CHUKWA-59. Collect HDFS Usage information for users. (Contribute by Cheng Zhang via Eric Yang)

    CHUKWA-54. Filters web based input from HICC to prevent cross site scripting attack. (Eric Yang)

    CHUKWA-31. Added duration logging for SQL statements. (Eric Yang)
 
    HADOOP-5373. Collectors track lifetime-received chunks. (asrabkin)

    HADOOP-5370. Collectors don't write empty sink files (asrabkin)

    HADOOP-5228. Chukwa tests shouldn't write to /tmp. (asrabkin)

    HADOOP-5035. Improved Y axis ticker labelling.
                 Used TreeMap to build non-time series data for charting. 
                 Improved handling of "not a number "values. (Eric Yang)

    HADOOP-5030. Changed RPM install location to the value specified by build.properties file. (Eric Yang)

    HADOOP-5029. Added mdl script to manually load chukwa sequence file to database. (Eric Yang)

    HADOOP-4843. Enable job history log file streaming into Chukwa by using JobTrackerInstrumentation API. (Eric Yang)

    HADOOP-4827. * Replace Consolidator with Aggregator macros 
                 * Updated database table schema 
                 * Fix interval for aggregation execute 
                 * Improved SQL macros support, add group_avg() and past_*_minutes key word (Eric Yang)

  OPTIMIZATIONS

  BUG FIXES

    CHUKWA-249. Use ChukwaConfiguration in Demux. (Jerome Boulon via asrabkin)

    CHUKWA-257. fixed right arrow image for date picker. (Eric Yang)

    CHUKWA-251. Added per widget Time range input. (Terence Kwan via Eric Yang)
 
    CHUKWA-239. Demux settings now work out of the box. (Ari Rabkin)

    CHUKWA-250. Updated hadoop jar reference in chukwa config. (Cheng Zhang via Eric Yang)

    CHUKWA-211. Manage symlink correctly for RPM upgrade and uninstall. (Eric Yang)

    CHUKWA-245. Includes ChukwaJobTrackerInstrumentation class as part of the input tools compilation. (Eric Yang)

    CHUKWA-234. Improved handling of null session for XssFilter. (Eric Yang)

    CHUKWA-232. Fixed classpath for chukwa core jar file. (Eric Yang)

    CHUKWA-215. Corrected postProcess.sh environment setup. (Jerome Boulon via Eric Yang)

    CHUKWA-223. Renamed read only session caching object to cache.*, and skip those values for caching. (Eric Yang)

    CHUKWA-238.  Resolve race condition in archiving. (Ari Rabkin)

    CHUKWA-228.  Added rpm.hdfsusage.uid option to run HDFS usage as a separate user. (Cheng Zhang via Eric Yang)

    CHUKWA-227. Improved the user privilege for reading HDFS usage.  (Cheng Zhang via Eric Yang)

    CHUKWA-229. Fix descriptor leak for ExecPlugin. (Ari Rabkin via Eric Yang)

    CHUKWA-212. Fix file descriptor leak in MDL.  (Jerome Boulon via Eric Yang)

    CHUKWA-220. Correct min, max settings for yaxis charting. (Terence Kwan via Eric Yang)

    CHUKWA-222. Reduce Sar version dependency. (Ari Rabkin) 

    CHUKWA-103. Fix documentation broken link. (Eric Yang)

    CHUKWA-208. Skip copying of test/sample directory if it doesn't exist. (Eric Yang)

    CHUKWA-206. Removed hard coded path from configuration files, and sample data. (Eric Yang)

    CHUKWA-201. Removed sourcing of Timeline widget from simile.mit.edu. (Eric Yang)

    CHUKWA-193. Remove unrecognized tag from Job History Log file parser. (Cheng Zhang via Eric Yang)

    CHUKWA-189. Added JAVA_LIBRARY_PATH to chukwa-env.sh for enabling compression. (Jerome Boulon via Eric Yang)

    CHUKWA-186. Remove duplicated timestamp from aggregation script. (Eric Yang)

    CHUKWA-187. Correction to status for job and task status. (Cheng Zhang via Eric Yang)

    CHUKWA-183. Added HICC startup script. (Eric Yang)

    CHUKWA-177. Added test case for verify the value between JSON values and database values. (Terence Kwan via Eric Yang)

    CHUKWA-181. Changed chukwa check point file to $CHUKWA_LOG_DIR. (Jerome Boulon via Eric Yang)

    CHUKWA-182. Added nagios appender configuration. (Eric Yang)

    CHUKWA-158. Consolidate namenode address to a single configuration object. (Eric Yang)

    CHUKWA-168. Added watchdog for database. (Eric Yang)

    CHUKWA-175.  Removed error message for shutting down data processors. (Eric Yang)

    CHUKWA-155.  Store final job status only (Cheng Zhang via Eric Yang)

    CHUKWA-164.  Use year corresponding to the sender time stamp. (Cheng Zhang via Eric Yang)

    CHUKWA-166.  Handle null parameter case for XSSFilter. (Terence Kwan via Eric Yang)

    CHUKWA-156. Test Macro testcase changed to use timestamp check for the generated macros. (Eric Yang)

    CHUKWA-154.  Handle adaptor exception, close file pointers on failure condition.  (Jerome Boulon via Eric Yang)

    CHUKWA-139.  Rewrite collector bail out code.  (Cheng Zhang via Eric Yang)

    CHUKWA-119.  Removed dependency of ChukwaAgent from ChunkImpl for preventing multiple
                 MetricsContext to be initialized in the same VM. (Jerome Boulon via Eric Yang)


    CHUKWA-121.  Added logic to detect partition number less than 0.  (Eric Yang)

    CHUKWA-132.  Handle multi-line output in Job History file more gracefully. (Cheng Zhang via Eric Yang)

    CHUKWA-124.  Fixed JDBC connection initialization and closing.  Added escapeQuotes utility method. (Eric Yang)

    CHUKWA-122. Updated logic for finding time partition for Macro.  (Eric Yang)

    CHUKWA-125. Updated chukwa demux template to include JobHistory parser. (Eric Yang)

    CHUKWA-98.  Added Daemon watcher to capture signal for pid file management. (Cheng Zhang via Eric Yang)

    CHUKWA-120. Added the missing commons-cli library. (Jerome Boulon via Eric Yang)

    CHUKWA-61.  Added report widget for accounting information. (Eric Yang)

    CHUKWA-77.  Added Database Schema for Hadoop accounting information. (Eric Yang)

    CHUKWA-92.  AbstractMetricsContext was using the wrong value (Jerome Boulon via asrabkin)

    CHUKWA-70.  Rewrite FileAdaptor.  (Jerome Boulon via asrabkin)

    CHUKWA-93.  Fix NPE in SeqFileWriter.  (Jiaqi Tan via asrabkin)

    CHUKWA-1. Remove lzo job configuration from Chukwa data processors. (Contribute by Jerome Boulon via Eric Yang)

    CHUKWA-40. Check for null pointer exception before unregister adaptor. (Contribute By Jerome Boulon via Eric Yang)

    CHUKWA-75. Filter out iostat values that is greater than 1+e10.

    CHUKWA-47. ChukwaJobTrackerInstrumentation class extends JobTrackerMetricsInst and added 
               finalizedJob method for stop streaming job history log file. (Jerome Boulon via Eric Yang)

    CHUKWA-66. Corrected TerminatorThread logger class name. (Eric Yang)

    CHUKWA-65. Redirect metrics log file to CHUKWA_LOG_DIR, and setup read/writable permission on the metrics
               log files. (Eric Yang)


    CHUKWA-73. Added Socket Timeout 60 seconds. (Jerome Boulon via Eric Yang)

    CHUKWA-58. Changed watchdog to look for CHUKWA_PID_DIR. (Eric Yang)

    CHUKWA-43.  ChukwaLog4jAppender should send the current file offset instead of sending 0.  (Jerome Boulon via asrabkin)

    CHUKWA-41.  ChukwaLog4jAppender does not escape \n for exception.  (Jerome Boulon via asrabkin)

    CHUKWA-28.  Late initalization of log4j adaptor.  (Jerome Boulon via asrabkin)

    CHUKWA-48.  Cleanup code to resolve compiler warnings.  (asrabkin)

    CHUKWA-9.  MetricDataLoader should close JDBC connection.  (Jerome Boulon via asrabkin)

    CHUKWA-37.  Remove ChuckwaArchiveBuilder. (asrabkin)

    CHUKWA-33.  Reformat code to fit hadoop style.  (asrabkin)
 
    CHUKWA-8.  Remove deprecated conf files.  (eyang via asrabkin)

    CHUKWA-11.  Remove non .template files from conf dir. (asrabkin)

    HADOOP-5409. Changed opt directory copy to a optional operation, if opt exist. (Eric Yang)

    HADOOP-5138. Fixing failing test cases by separating TestCharFileTailing
    and TestFileTailing adaptors. (Jerome Boulon via acmurthy)

    HADOOP-5401. Standardize control port conf option name as chukwaAgent.control.port (asrabkin)

    HADOOP-5087. Fix regex for command parsing. (asrabkin)

    HADOOP-5057. Better test coverage for missing checkpoint cases. (asrabkin)

    HADOOP-5055. Changed alert.conf location from $CHUKWA_HOME/conf/alert.conf to $CHUKWA_CONF_DIR/alert.conf. (Eric Yang)

    HADOOP-5054. Improved database partitioning by date. (Eric Yang)

    HADOOP-5051. * Added macro token subsitution for sum(table_name) 
                 * Added correct hdfs throughput aggregation SQL macros. (Eric Yang)

    HADOOP-5032. Export CHUKWA_CONF_DIR in chukwa-config.sh.

    HADOOP-4960. Changed metrics time from current system time to data source time.

    HADOOP-4959. Support parsing of top output for Redhat EL 5.1. (Eric Yang)

    HADOOP-4916. * Added external property file to reference location and ownership of chukwa 
                 * Added ability to control the user name to run chukwa (Eric Yang)

    HADOOP-4914. Added description fields to chukwa init.d scripts.

    HADOOP-4889. Move chown from post install phase to build phase of the RPM file. (Eric Yang)

    HADOOP-4884. Change date format from dd/mm/yyyy to yyyy/mm/dd for display in the chart tool tips. (Eric Yang)

    HADOOP-4860. Changed test cases into 3 different test classes to prevent Agent from loading chukwa_check_point file which interfered with test cases. (Eric Yang)

    HADOOP-4825. Replaced jps with ps ax for shutdown scripts.
                 Clean up reference of jar file from top level instead of build directory. (Eric Yang)

    HADOOP-4805. Removed black list collector feature from Chukwa Agent HTTP Sender. (Eric Yang)

    HADOOP-4796. Change component unit test targets from "ant test-agent" to "ant -Dtestcase=TestAgent test". (Eric Yang)

    HADOOP-4791. Add build configuration parameter to specify where Chukwa will be installed for RPM packaging. (Eric Yang)


Release 0.1.1 - Unreleased

  IMPROVEMENTS

    HADOOP-4431. Add versionning/tags to Chukwa Chunk. 
    (Jerome Boulon via Johan)

    HADOOP-4433. Improve data loader for collecting metrics and log files.
    (Eric Yang via omalley)

    HADOOP-5205.  Change the value of CHUKWA_IDENT_STRING from demo to TODO-AGENTS-INSTANCE-NAME in chukwa-env.sh.template (Jerome Boulon via asrabkin)

    HADOOP-5033.  Simplified ChukwaWriter API.  (asrabkin)


  NEW FEATURES

    HADOOP-3719. Initial checkin of Chukwa, which is a data collection and 
    analysis framework. (Jerome Boulon, Andy Konwinski, Ari Rabkin, 
    and Eric Yang)