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From "Colin P. McCabe" <cmcc...@apache.org>
Subject Re: HTrace 4.1 release candidate 1
Date Mon, 08 Feb 2016 22:37:48 GMT
Thanks, guys.  I will spin another RC with HTRACE-334 added.  Can I
get a review of https://issues.apache.org/jira/browse/HTRACE-342 so
that I can add that as well?  It's a very simple docs change.

best,
Colin

On Sat, Feb 6, 2016 at 4:04 PM, Masatake Iwasaki
<iwasakims@oss.nttdata.co.jp> wrote:
> Thanks for putting this up, Colin.
>
>>     * [HTRACE-334] - htrace-web: Make limit of search and children API
>> configurable
>
> This seemed not to be cherry-picked to branch-4.1.
> I do not think this is critical but would like it to be in.
>
> Except for this, the RC is good.
>
> I built Hadoop against 4.1.0-incubating,
> run HDFS operations with tracing enabled,
> saw tracing by Web-UI of htraced.
> It worked fine.
>
> Masatake Iwasaki
>
>
> On 2/3/16 09:50, Colin P. McCabe wrote:
>>
>> Hi all,
>>
>> I've posted the first release candidate for HTrace 4.1 here:
>>
>> http://people.apache.org/~cmccabe/htrace/releases/4.1.0/rc1/
>>
>> The jars have been staged here:
>>
>> https://repository.apache.org/content/repositories/orgapachehtrace-1021
>>
>> 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-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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