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From Masatake Iwasaki <iwasak...@oss.nttdata.co.jp>
Subject Re: HTrace 4.1 release candidate 2
Date Thu, 11 Feb 2016 02:02:50 GMT
+1

- verified signature and checksums
- built from source and ran unit tests
- built hadoop against htrace-4.1.0-incubating and saw the traces of dfs 
put/get by htraced Web-UI.

Thanks,
Masatake Iwasaki

On 2/10/16 12:00, Colin P. McCabe wrote:
> Hi all,
>
> I've posted the second release candidate for HTrace 4.1 here:
>
> http://people.apache.org/~cmccabe/htrace/releases/4.1.0/rc2/
>
> The jars have been staged here:
>
> https://repository.apache.org/content/repositories/orgapachehtrace-1022
>
> Compared to rc1, this rc includes HTRACE-334 and HTRACE-342.
>
> HTrace 4.1 brings a lot of robustness improvements.  There were major
> improvements to htraced and the web UI, as well as new metrics added.
> There were numerous build fixups, and we added Docker support, to
> ensure a repeatable build.
>
> Check it out.  The vote will run for 5 days.
>
> cheers,
> Colin
>
>
> Release Notes - HTrace - Version 4.1
> ** Bug
>      * [HTRACE-114] - Fix compilation error of htrace-hbase against hbase-1.0.0
>      * [HTRACE-238] - Change maven compiler source level to 1.7 to
> match targetJdk
>      * [HTRACE-243] - Remove duplicate maven-assembly-plugin
> configuration section in htrace-htraced/pom.xml
>      * [HTRACE-245] - NOTICE.txt: change "developed by The Apache
> Software...” to "developed at The Apache Software...”
>      * [HTRACE-246] - HTrace WebApp not properly defined and therefore
> not packaged into .war
>      * [HTRACE-248] - HTraced should gracefully shutdown if stopped
>      * [HTRACE-249] - Script and doc on how to publish website
>      * [HTRACE-251] - Fix "mvn clean" target
>      * [HTRACE-253] - Tracer loadSamplers and loadSpanReceivers logs
> are too chatty
>      * [HTRACE-256] - Change the artifactId for htrace-core in branch
> 4.0 to be htrace-core4
>      * [HTRACE-257] - htrace-htraced: add web symlink rather than
> generating programmatically
>      * [HTRACE-262] - Temporarily suppress doclint for Java 8 to
> prevent build failure
>      * [HTRACE-266] - Make the CLIENT_REST_MAX_SPANS_AT_A_TIME_KEY
> config key more consistent with other configs
>      * [HTRACE-267] - Move owl logo licensing information from NOTICE to LICENSE
>      * [HTRACE-268] - Remove Units and go-codec from LICENSE since they
> are not contained in the source release
>      * [HTRACE-272] - TracerPool must not load multiple inscance of
> same receiver class when a simple classname is given
>      * [HTRACE-279] - Fix issues where the HTracedSpanReceiver was
> using the wrong JSON serialization for spans and add validation to
> htraced REST ingest path
>      * [HTRACE-280] - htraced: add metrics about total spans added and
> dropped per address
>      * [HTRACE-281] - htraced: add example/htraced-conf.xml
>      * [HTRACE-282] - htraced: reap spans which are older than a
> configurable interval
>      * [HTRACE-283] - Heartbeater should wait for goroutine to finish on close
>      * [HTRACE-284] - htrace-htraced, htrace-flume: do not treat the
> shaded version of commons-logging as provided
>      * [HTRACE-285] - htraced tool: fix query parsing and add query_test
>      * [HTRACE-289] - Fix TraceEnabled, etc. logger methods for
> conditional logging
>      * [HTRACE-294] - htraced: fix some metrics issues
>      * [HTRACE-297] - htraced: avoid serializing spans to json unless
> TRACE logging is enabled
>      * [HTRACE-300] - Reaper should be initialized before shards are activated
>      * [HTRACE-301] - htraced: fix unit tests that aren't waiting for
> spans to be written, use semaphore for WrittenSpans
>      * [HTRACE-302] - htraced: Add admissions control to HRPC to limit
> the number of incoming messages
>      * [HTRACE-304] - htraced: fix bug with GREATER_THAN queries
>      * [HTRACE-307] - htraced: queries sometimes return no results even
> when many results exist due to confusion in iterator usage
>      * [HTRACE-311] - htraced: Fix logging to stdout via -Dlog.path=
>      * [HTRACE-316] - htrace-web: span.js issue: span ID string length
> is 32, not 36
>      * [HTRACE-317] - Fix the documentation for adding tracing to an
> application to reflect HTrace 4.x API changes
>      * [HTRACE-328] - htraced continues scanning in some cases even
> when no more results are possible
>
> ** Improvement
>      * [HTRACE-342] - centralize building instructions in BUILDING.txt
>      * [HTRACE-334] - htrace-web: Make limit of search and children API
> configurable
>      * [HTRACE-129] - htraced: add /server/stats REST endpoint
>      * [HTRACE-156] - HTrace GUI: add about view
>      * [HTRACE-181] - gui: Split "about" screen
>      * [HTRACE-237] - Optimize htraced span receiver
>      * [HTRACE-239] - Add htrace/impl/TestZipkinSpanReceiver.java
>      * [HTRACE-260] - htrace-zipkin should not set the obsolete
> duration field in thrift
>      * [HTRACE-271] - Add log4j.properties to all submodule tests
>      * [HTRACE-276] - Shade classes into org.apache.htrace.shaded
> rather than org.apache.htrace
>      * [HTRACE-286] - htraced: improvements to logging, daemon startup,
> and configuration
>      * [HTRACE-290] - htraced: Fix per-faculty log level settings and
> add unit tests for conditional logging
>      * [HTRACE-291] - rename bin/htrace to bin/htracedTool
>      * [HTRACE-292] - "htracedTool version" should display the git
> hash, and -Dgit.version option should be available for build
>      * [HTRACE-295] - htraced: setting span.expiry.ms to 0 should
> disable span expiry
>      * [HTRACE-296] - htraced tests: make sure local settings for
> HTRACED_WEB_DIR and HTRACE_CONF_DIR don't affect unit tests
>      * [HTRACE-298] - htraced: improve datastore serialization and metrics
>      * [HTRACE-303] - Add client-side htraceDropped log file to track
> dropped spans
>      * [HTRACE-305] - htrace-web: Use greater-than-or-equal rather than
> greater-than in more places
>      * [HTRACE-306] - htraced: logs should use UTC
>      * [HTRACE-308] - Deserialize WriteSpans requests incrementally
> rather than all at once to optimize GC
>      * [HTRACE-310] - htracedTool: when there is an error response,
> print the body of the response
>      * [HTRACE-312] - htraced: if GOMAXPROCS is left at 1, set it to
> the number of CPUs
>      * [HTRACE-313] - htraced span receiver clientDropped file should
> include timestamps
>      * [HTRACE-314] - htraced: make datastore loading safer
>      * [HTRACE-327] - HTRACE-327: improve htraced command-line parsing
> and add version command
>      * [HTRACE-334] - htrace-web: Make limit of search and children API
> configurable
>      * [HTRACE-335] - htrace-web: Adjust size of span widget
>      * [HTRACE-339] - Major type in htrace-flume README
>
> ** New Feature
>      * [HTRACE-235] - htrace-zipkin - add Kafka transport support
>      * [HTRACE-277] - htraced: Add /server/conf endpoint to get server
> configuration
>      * [HTRACE-278] - htraced: dump thread stacks and GC statistics
> when SIGQUIT is sent
>      * [HTRACE-288] - htraced: Add a user interface to view server
> version, metrics, and configuration
>      * [HTRACE-293] - htrace-web: control-click should fully expand trace trees
>      * [HTRACE-299] - htraced: add /server/debugInfo REST endpoint to
> get stack traces and GC stats
>      * [HTRACE-309] - htraced: improve leveldb configuration
>      * [HTRACE-323] - htrace-web: change the cursor to a spinner while
> a search is in progress
>      * [HTRACE-332] - htraced: optionally enable leveldb LRU cache
>
> ** Task
>      * [HTRACE-241] - Docker image for HTrace
>      * [HTRACE-315] - htraced: change default web port from 9095 to 9096
>      * [HTRACE-319] - mark versions 4.0 and 4.0.1 as released
>      * [HTRACE-331] - create git tags for 4.0 and 4.0.1 releases
>
> ** Wish
>      * [HTRACE-269] - HTraceConfiguration support to get the map of
> configurations


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