Can a 4.0.1 client talk to a 4.1.0 htrace? Has it been tested? St.Ack On Tue, Feb 9, 2016 at 7:00 PM, Colin P. McCabe <[email protected]> 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 >
