Once Stack's comments are addressed, we can change the master build to
using Maven 3.3.3

I will log JIRA for modifying refguide on the upgrade.

Cheers

On Thu, Oct 13, 2016 at 6:42 AM, Sean Busbey <bus...@cloudera.com> wrote:

> Are we requiring maven 3.3.z now? historically our required maven
> version has been 3.0.5. I don't have an objection to changing it, per
> se, but I'd like to make sure our docs and CI builds get updated
> properly.
>
> On Wed, Oct 12, 2016 at 4:03 PM, Stack <st...@duboce.net> wrote:
> > On Wed, Oct 12, 2016 at 1:58 PM, Stack <st...@duboce.net> wrote:
> >
> >> Fails again when I do this:
> >>
> >> $ mvn clean install -DskipTests assembly:single
> >> ....
> >>
> >>
> > Ok. Works if I use mvn 3.3.x.
> > St.Ack
> >
> >
> >
> >
> >
> >>
> >> [INFO] ------------------------------------------------------------
> >> ------------
> >> [INFO] Building Apache HBase - Server 2.0.0-SNAPSHOT
> >> [INFO] ------------------------------------------------------------
> >> ------------
> >> Downloading: file:/home/stack/hbase.git/hbase-server/src/main/site/
> >> resources/repo/org/apache/hadoop/hadoop-distcp/2.7.1/
> >> hadoop-distcp-2.7.1.pom
> >> Exception in thread "pool-1-thread-1" ------------------------------
> >> ---------------------
> >> constituent[0]: file:/usr/share/maven/lib/aether-spi.jar
> >> constituent[1]: file:/usr/share/maven/lib/
> maven-settings-builder-3.x.jar
> >> constituent[2]: file:/usr/share/maven/lib/maven-artifact-3.x.jar
> >> constituent[3]: file:/usr/share/maven/lib/commons-httpclient.jar
> >> constituent[4]: file:/usr/share/maven/lib/wagon-provider-api.jar
> >> constituent[5]: file:/usr/share/maven/lib/maven-core-3.x.jar
> >> constituent[6]: file:/usr/share/maven/lib/aether-impl.jar
> >> constituent[7]: file:/usr/share/maven/lib/sisu-inject-bean.jar
> >> constituent[8]: file:/usr/share/maven/lib/sisu-inject-plexus.jar
> >> constituent[9]: file:/usr/share/maven/lib/wagon-file.jar
> >> constituent[10]: file:/usr/share/maven/lib/guava.jar
> >> constituent[11]: file:/usr/share/maven/lib/maven-compat-3.x.jar
> >> constituent[12]: file:/usr/share/maven/lib/maven-model-3.x.jar
> >> constituent[13]: file:/usr/share/maven/lib/plexus-interpolation.jar
> >> constituent[14]: file:/usr/share/maven/lib/commons-codec.jar
> >> constituent[15]: file:/usr/share/maven/lib/aether-util.jar
> >> constituent[16]: file:/usr/share/maven/lib/aether-api.jar
> >> constituent[17]: file:/usr/share/maven/lib/maven-model-builder-3.x.jar
> >> constituent[18]: file:/usr/share/maven/lib/
> maven-repository-metadata-3.x.
> >> jar
> >> constituent[19]: file:/usr/share/maven/lib/maven-settings-3.x.jar
> >> constituent[20]: file:/usr/share/maven/lib/
> plexus-component-annotations.
> >> jar
> >> constituent[21]: file:/usr/share/maven/lib/commons-cli.jar
> >> constituent[22]: file:/usr/share/maven/lib/maven-embedder-3.x.jar
> >> constituent[23]: file:/usr/share/maven/lib/maven-plugin-api-3.x.jar
> >> constituent[24]: file:/usr/share/maven/lib/wagon-http-shaded.jar
> >> constituent[25]: file:/usr/share/maven/lib/commons-logging.jar
> >> constituent[26]: file:/usr/share/maven/lib/plexus-sec-dispatcher.jar
> >> constituent[27]: file:/usr/share/maven/lib/aether-connector-wagon.jar
> >> constituent[28]: file:/usr/share/maven/lib/plexus-utils.jar
> >> constituent[29]: file:/usr/share/maven/lib/sisu-guice.jar
> >> constituent[30]: file:/usr/share/maven/lib/plexus-cipher.jar
> >> constituent[31]: file:/usr/share/maven/lib/
> maven-aether-provider-3.x.jar
> >> ---------------------------------------------------
> >> java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
> >> at org.apache.maven.wagon.providers.file.FileWagon.
> resolveDestinationPath(
> >> FileWagon.java:206)
> >> at org.apache.maven.wagon.providers.file.FileWagon.
> >> resourceExists(FileWagon.java:265)
> >> at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$
> >> GetTask.run(WagonRepositoryConnector.java:577)
> >> at org.sonatype.aether.util.concurrency.RunnableErrorForwarder$1.run(
> >> RunnableErrorForwarder.java:60)
> >> at java.util.concurrent.ThreadPoolExecutor.runWorker(
> >> ThreadPoolExecutor.java:1142)
> >> at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> >> ThreadPoolExecutor.java:617)
> >> at java.lang.Thread.run(Thread.java:745)
> >> Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.
> >> StringUtils
> >> at org.codehaus.plexus.classworlds.strategy.
> SelfFirstStrategy.loadClass(
> >> SelfFirstStrategy.java:50)
> >> at org.codehaus.plexus.classworlds.realm.ClassRealm.
> >> unsynchronizedLoadClass(ClassRealm.java:259)
> >> at org.codehaus.plexus.classworlds.realm.ClassRealm.
> >> loadClass(ClassRealm.java:235)
> >> at org.codehaus.plexus.classworlds.realm.ClassRealm.
> >> loadClass(ClassRealm.java:227)
> >> ... 7 more
> >> Exception in thread "main" java.lang.NoClassDefFoundError:
> >> org/apache/commons/lang/StringUtils
> >> at org.apache.maven.wagon.providers.file.FileWagon.
> resolveDestinationPath(
> >> FileWagon.java:206)
> >> at org.apache.maven.wagon.providers.file.FileWagon.
> >> resourceExists(FileWagon.java:265)
> >> at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$
> >> GetTask.run(WagonRepositoryConnector.java:577)
> >> at org.sonatype.aether.util.concurrency.RunnableErrorForwarder$1.run(
> >> RunnableErrorForwarder.java:60)
> >> at java.util.concurrent.ThreadPoolExecutor.runWorker(
> >> ThreadPoolExecutor.java:1142)
> >> at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> >> ThreadPoolExecutor.java:617)
> >> at java.lang.Thread.run(Thread.java:745)
> >> Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.
> >> StringUtils
> >> at org.codehaus.plexus.classworlds.strategy.
> SelfFirstStrategy.loadClass(
> >> SelfFirstStrategy.java:50)
> >> at org.codehaus.plexus.classworlds.realm.ClassRealm.
> >> unsynchronizedLoadClass(ClassRealm.java:259)
> >> at org.codehaus.plexus.classworlds.realm.ClassRealm.
> >> loadClass(ClassRealm.java:235)
> >> at org.codehaus.plexus.classworlds.realm.ClassRealm.
> >> loadClass(ClassRealm.java:227)
> >>
> >>
> >>
> >> Does it work for you lot? This is branch checkout.
> >>
> >> I want assembly to work so I can distribute the build around a cluster.
> >>
> >> Thanks,
> >> St.Ack.
> >>
> >>
> >>
> >> On Wed, Oct 12, 2016 at 1:52 PM, Stack <st...@duboce.net> wrote:
> >>
> >>> I did a super-clean and recheck out. Now it works. Sorry for the noise.
> >>> St.Ack
> >>>
> >>> On Wed, Oct 12, 2016 at 1:10 PM, Vladimir Rodionov <
> >>> vladrodio...@gmail.com> wrote:
> >>>
> >>>> checked out HBASE-7912
> >>>>
> >>>> ran:
> >>>>
> >>>> mvn clean install -DskipTests
> >>>>
> >>>> successfully.
> >>>>
> >>>> -Vlad
> >>>>
> >>>> On Wed, Oct 12, 2016 at 1:01 PM, Vladimir Rodionov <
> >>>> vladrodio...@gmail.com>
> >>>> wrote:
> >>>>
> >>>> > I usually use:
> >>>> >
> >>>> > mvn clean install -DskipTests
> >>>> >
> >>>> > and it works.
> >>>> >
> >>>> > On Wed, Oct 12, 2016 at 1:01 PM, Vladimir Rodionov <
> >>>> vladrodio...@gmail.com
> >>>> > > wrote:
> >>>> >
> >>>> >> Michael,
> >>>> >>
> >>>> >> you can try master + latest patch on HBASE-14123 (v29). No need to
> use
> >>>> >> HBASE-7912 branch. I will double check HBASE-7912.
> >>>> >>
> >>>> >> -Vlad
> >>>> >>
> >>>> >> On Wed, Oct 12, 2016 at 12:31 PM, Stack <st...@duboce.net> wrote:
> >>>> >>
> >>>> >>> More info:
> >>>> >>>
> >>>> >>> stack@ve0524:~/hbase.git$ git checkout origin/HBASE-7912 -b
> 7912v2
> >>>> >>> Branch 7912v2 set up to track remote branch HBASE-7912 from
> origin.
> >>>> >>> Switched to a new branch '7912v2'
> >>>> >>> stack@ve0524:~/hbase.git$ java -version
> >>>> >>> java version "1.8.0_101"
> >>>> >>> Java(TM) SE Runtime Environment (build 1.8.0_101-b13)
> >>>> >>> Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)
> >>>> >>> stack@ve0524:~/hbase.git$ mvn clean install -DskipTests &>
> >>>> /tmp/out.txt
> >>>> >>>
> >>>> >>> ...
> >>>> >>>
> >>>> >>> St.Ack
> >>>> >>>
> >>>> >>>
> >>>> >>> On Wed, Oct 12, 2016 at 12:29 PM, Stack <st...@duboce.net> wrote:
> >>>> >>>
> >>>> >>> > Interesting. When I try it fails w/ below:
> >>>> >>> >
> >>>> >>> > [INFO] 26 warnings
> >>>> >>> > 322 [INFO] ------------------------------
> >>>> >>> -------------------------------
> >>>> >>> > 323 [INFO] ------------------------------
> >>>> >>> -------------------------------
> >>>> >>> > 324 [ERROR] COMPILATION ERROR :
> >>>> >>> > 325 [INFO] ------------------------------
> >>>> >>> -------------------------------
> >>>> >>> > 326 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexCodecV2.j
> >>>> ava:[48,8]
> >>>> >>> > org.apache.hadoop.hbase.io.encoding.rowindexV2.RowIndexCodecV2
> is
> >>>> not
> >>>> >>> > abstract and does not override abstract method
> createSeeker(org.ap
> >>>> >>> >  ache.hadoop.hbase.CellComparator,org.apache.hadoop.hbase.io.
> >>>> >>> encoding.HFileBlockDecodingContext)
> >>>> >>> > in org.apache.hadoop.hbase.io.encoding.DataBlockEncoder
> >>>> >>> > 327 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexCodecV2.j
> >>>> >>> ava:[143,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 328 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexCodecV2.j
> >>>> >>> ava:[147,29]
> >>>> >>> > incompatible types: java.nio.ByteBuffer cannot be converted to
> >>>> >>> > org.apache.hadoop.hbase.nio.ByteBuff
> >>>> >>> > 329 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexCodecV2.j
> >>>> >>> ava:[148,33]
> >>>> >>> > cannot find symbol
> >>>> >>> > 330   symbol:   method getKeyDeepCopy()
> >>>> >>> > 331   location: variable seeker of type
> org.apache.hadoop.hbase.io
> >>>> .
> >>>> >>> > encoding.DataBlockEncoder.EncodedSeeker
> >>>> >>> > 332 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexCodecV2.j
> >>>> >>> ava:[153,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 333 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV1/RowIndexCodecV1.j
> >>>> ava:[45,8]
> >>>> >>> > org.apache.hadoop.hbase.io.encoding.rowindexV1.RowIndexCodecV1
> is
> >>>> not
> >>>> >>> > abstract and does not override abstract method
> createSeeker(org.ap
> >>>> >>> >  ache.hadoop.hbase.CellComparator,org.apache.hadoop.hbase.io.
> >>>> >>> encoding.HFileBlockDecodingContext)
> >>>> >>> > in org.apache.hadoop.hbase.io.encoding.DataBlockEncoder
> >>>> >>> > 334 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV1/RowIndexCodecV1.j
> >>>> >>> ava:[145,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 335 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV1/RowIndexCodecV1.j
> >>>> >>> ava:[158,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 336 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[46,8]
> >>>> >>> > org.apache.hadoop.hbase.io.encoding.rowindexV2.RowIndexSeekerV2
> >>>> is not
> >>>> >>> > abstract and does not override abstract method compareKey(org.ap
> >>>> >>> >  ache.hadoop.hbase.CellComparator,org.apache.hadoop.hbase.Cell)
> in
> >>>> >>> > org.apache.hadoop.hbase.io.encoding.DataBlockEncoder.
> EncodedSeeker
> >>>> >>> > 337 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[79,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 338 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[117,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 339 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[190,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 340 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[214,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 341 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[349,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 342 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[355,3]
> >>>> >>> > method does not override or implement a method from a supertype
> >>>> >>> > 343 [ERROR] /home/stack/hbase.git/hbase-
> common/src/main/java/org/
> >>>> >>> > apache/hadoop/hbase/io/encoding/rowindexV2/RowIndexSeekerV2.
> >>>> >>> java:[421,36]
> >>>> >>> > no suitable method found for uncompressTags(java.nio.
> >>>> >>> > ByteBuffer,byte[],int,int)
> >>>> >>> > 344     method org.apache.hadoop.hbase.io.
> TagCompressionContext.
> >>>> >>> > uncompressTags(java.io.InputStream,byte[],int,int) is not
> >>>> applicable
> >>>> >>> > 345       (argument mismatch; java.nio.ByteBuffer cannot be
> >>>> converted
> >>>> >>> to
> >>>> >>> > java.io.InputStream)
> >>>> >>> > 346     method org.apache.hadoop.hbase.io.
> TagCompressionContext.
> >>>> >>> > uncompressTags(org.apache.hadoop.hbase.nio.ByteBuff,
> byte[],int,int)
> >>>> is
> >>>> >>> > not applicable
> >>>> >>> > 347       (argument mismatch; java.nio.ByteBuffer cannot be
> >>>> converted
> >>>> >>> to
> >>>> >>> > org.apache.hadoop.hbase.nio.ByteBuff)
> >>>> >>> >
> >>>> >>> > ....
> >>>> >>> >
> >>>> >>> > St.Ack
> >>>> >>> >
> >>>> >>> > On Tue, Oct 11, 2016 at 5:12 PM, Apekshit Sharma <
> >>>> a...@cloudera.com>
> >>>> >>> > wrote:
> >>>> >>> >
> >>>> >>> >> @stack, it compiled for me.
> >>>> >>> >>
> >>>> >>> >> Also tried few commands, and have to say, it's well designed
> from
> >>>> user
> >>>> >>> >> commands perspective.
> >>>> >>> >>
> >>>> >>> >> On Tue, Oct 11, 2016 at 5:08 PM, Stack <st...@duboce.net>
> wrote:
> >>>> >>> >>
> >>>> >>> >> > On Tue, Oct 11, 2016 at 1:50 PM, Vladimir Rodionov <
> >>>> >>> >> vladrodio...@gmail.com
> >>>> >>> >> > >
> >>>> >>> >> > wrote:
> >>>> >>> >> >
> >>>> >>> >> > > Michael,
> >>>> >>> >> > >
> >>>> >>> >> > > Its in HBASE-7912
> >>>> >>> >> > >
> >>>> >>> >> > > This is tip of git log:
> >>>> >>> >> > >
> >>>> >>> >> > > commit a072f6f49a26a7259ff2aaef6cb56d85eb592482
> >>>> >>> >> > > Author: Frank Welsch <fwel...@jps.net>
> >>>> >>> >> > > Date:   Fri Sep 23 18:00:42 2016 -0400
> >>>> >>> >> > >
> >>>> >>> >> > >     HBASE-16574 Book updates for backup and restore
> >>>> >>> >> > >
> >>>> >>> >> > > commit b14e2ab1c24e65ff88dd4c579acf83cb4ed0605e
> >>>> >>> >> > > Author: tedyu <yuzhih...@gmail.com>
> >>>> >>> >> > > Date:   Wed Oct 5 16:29:40 2016 -0700
> >>>> >>> >> > >
> >>>> >>> >> > >     HBASE-16727 Backup refactoring: remove MR dependencies
> >>>> from
> >>>> >>> >> HMaster
> >>>> >>> >> > > (Vladimir Rodionov)
> >>>> >>> >> > >
> >>>> >>> >> > >
> >>>> >>> >> > Thanks. I have that. I tried it and it doesn't compile for
> me.
> >>>> Does
> >>>> >>> it
> >>>> >>> >> > compile for you?
> >>>> >>> >> > Thanks,
> >>>> >>> >> > M
> >>>> >>> >> >
> >>>> >>> >> >
> >>>> >>> >> >
> >>>> >>> >> > > -Vlad
> >>>> >>> >> > >
> >>>> >>> >> > > On Tue, Oct 11, 2016 at 1:44 PM, Stack <st...@duboce.net>
> >>>> wrote:
> >>>> >>> >> > >
> >>>> >>> >> > > > Which branch do I check out to try it? HBASE-7912 is not
> >>>> it. I
> >>>> >>> don't
> >>>> >>> >> > see
> >>>> >>> >> > > an
> >>>> >>> >> > > > HBASE-16727...
> >>>> >>> >> > > > Thanks,
> >>>> >>> >> > > > M
> >>>> >>> >> > > >
> >>>> >>> >> > > >
> >>>> >>> >> > > > On Tue, Oct 11, 2016 at 11:41 AM, Vladimir Rodionov <
> >>>> >>> >> > > > vladrodio...@gmail.com>
> >>>> >>> >> > > > wrote:
> >>>> >>> >> > > >
> >>>> >>> >> > > > > The last patch is on review board:
> >>>> >>> >> > > > > https://reviews.apache.org/r/52748
> >>>> >>> >> > > > >
> >>>> >>> >> > > > > On Mon, Oct 10, 2016 at 3:52 PM, Vladimir Rodionov <
> >>>> >>> >> > > > vladrodio...@gmail.com
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > wrote:
> >>>> >>> >> > > > >
> >>>> >>> >> > > > > > >> How hard to put in an hbase-backup module?
> >>>> hbase-server
> >>>> >>> is
> >>>> >>> >> fat
> >>>> >>> >> > > > enough
> >>>> >>> >> > > > > > >> already. Could be done as a follow-up.
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > > https://issues.apache.org/jira/browse/HBASE-16727?
> >>>> >>> >> > > > > > focusedCommentId=15531237&page=com.atlassian.jira.
> >>>> >>> >> > > > > > plugin.system.issuetabpanels:c
> >>>> >>> omment-tabpanel#comment-15531237
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > > Can we do merge first? Then we can discuss separate
> >>>> module.
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > > -Vlad
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > > On Mon, Oct 10, 2016 at 3:44 PM, Ted Yu <
> >>>> >>> yuzhih...@gmail.com>
> >>>> >>> >> > wrote:
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > >> Looks like the first quote was cut off.
> >>>> >>> >> > > > > >> The original sentence was:
> >>>> >>> >> > > > > >>
> >>>> >>> >> > > > > >> bq. no mapreduce job launched from master or region
> >>>> server.
> >>>> >>> >> > > > > >>
> >>>> >>> >> > > > > >> mapreduce job is launched from the node where
> command
> >>>> line
> >>>> >>> >> tool is
> >>>> >>> >> > > > run.
> >>>> >>> >> > > > > >>
> >>>> >>> >> > > > > >> On Mon, Oct 10, 2016 at 3:38 PM, Stack <
> >>>> st...@duboce.net>
> >>>> >>> >> wrote:
> >>>> >>> >> > > > > >>
> >>>> >>> >> > > > > >> > bq. launched from master or region server.
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> > What does this mean please? Has to be run from
> >>>> Master or
> >>>> >>> >> > > > RegionServer?
> >>>> >>> >> > > > > >> Can
> >>>> >>> >> > > > > >> > it be run from another node altogether?
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> > On Mon, Oct 10, 2016 at 1:44 PM, Vladimir
> Rodionov <
> >>>> >>> >> > > > > >> vladrodio...@gmail.com
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > wrote:
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> > > >> mapreduce dependency has been moved to client
> >>>> side
> >>>> >>> - no
> >>>> >>> >> > > > mapreduce
> >>>> >>> >> > > > > >> job
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > > 1. We have no code in the client module anymore,
> >>>> due to
> >>>> >>> >> > > dependency
> >>>> >>> >> > > > > on
> >>>> >>> >> > > > > >> > > internal server API (HFile and WAL access).
> >>>> >>> >> > > > > >> > > 2. Backup/ restore are client - driven
> operations,
> >>>> but
> >>>> >>> all
> >>>> >>> >> the
> >>>> >>> >> > > > code
> >>>> >>> >> > > > > >> > resides
> >>>> >>> >> > > > > >> > > in the server module
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> > How hard to put in an hbase-backup module?
> >>>> hbase-server
> >>>> >>> is
> >>>> >>> >> fat
> >>>> >>> >> > > > enough
> >>>> >>> >> > > > > >> > already. Could be done as a follow-up.
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> > Thanks,
> >>>> >>> >> > > > > >> > St.Ack
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >> > > 3. No MR in Master, no procedure - driven
> >>>> execution.
> >>>> >>> >> > > > > >> > > 4. Old good MR from command-line.
> >>>> >>> >> > > > > >> > > 5. Security was simplified and now only
> super-user
> >>>> is
> >>>> >>> >> allowed
> >>>> >>> >> > to
> >>>> >>> >> > > > run
> >>>> >>> >> > > > > >> > > backup/restores.
> >>>> >>> >> > > > > >> > > 6. HBase Backup API was gone due to 1. Now only
> >>>> >>> >> command-line
> >>>> >>> >> > > > access
> >>>> >>> >> > > > > to
> >>>> >>> >> > > > > >> > > backup tools.
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > > These consequences of refactoring has been
> >>>> discussed in
> >>>> >>> >> > > > HBASE-16727.
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > > -Vlad
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > > On Mon, Oct 10, 2016 at 1:31 PM, Ted Yu <
> >>>> >>> >> yuzhih...@gmail.com>
> >>>> >>> >> > > > > wrote:
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > Reviving this thread.
> >>>> >>> >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > The following has taken place:
> >>>> >>> >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > mapreduce dependency has been moved to client
> >>>> side -
> >>>> >>> no
> >>>> >>> >> > > > mapreduce
> >>>> >>> >> > > > > >> job
> >>>> >>> >> > > > > >> > > > launched from master or region server.
> >>>> >>> >> > > > > >> > > > document patch (HBASE-16574) has been
> integrated.
> >>>> >>> >> > > > > >> > > > Updated mega patch has been attached to
> >>>> HBASE-14123:
> >>>> >>> this
> >>>> >>> >> > > covers
> >>>> >>> >> > > > > the
> >>>> >>> >> > > > > >> > > > refactor in #1 above and the protobuf 3 merge.
> >>>> >>> >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > If community has more feedback on the merge
> >>>> >>> proposal, I
> >>>> >>> >> > would
> >>>> >>> >> > > > love
> >>>> >>> >> > > > > >> to
> >>>> >>> >> > > > > >> > > hear
> >>>> >>> >> > > > > >> > > > it.
> >>>> >>> >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > Thanks
> >>>> >>> >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > On Thu, Sep 22, 2016 at 10:31 AM, Sean Busbey
> <
> >>>> >>> >> > > > > bus...@cloudera.com>
> >>>> >>> >> > > > > >> > > wrote:
> >>>> >>> >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > I'd like to see the docs proposed on
> >>>> HBASE-16574
> >>>> >>> >> > integrated
> >>>> >>> >> > > > into
> >>>> >>> >> > > > > >> our
> >>>> >>> >> > > > > >> > > > > project's documentation prior to merge.
> >>>> >>> >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > On Thu, Sep 22, 2016 at 9:02 AM, Ted Yu <
> >>>> >>> >> > > yuzhih...@gmail.com>
> >>>> >>> >> > > > > >> wrote:
> >>>> >>> >> > > > > >> > > > > > This feature can be marked experimental
> due
> >>>> to
> >>>> >>> some
> >>>> >>> >> > > > > limitations
> >>>> >>> >> > > > > >> > such
> >>>> >>> >> > > > > >> > > as
> >>>> >>> >> > > > > >> > > > > > security.
> >>>> >>> >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > > Your previous round of comments have been
> >>>> >>> addressed.
> >>>> >>> >> > > > > >> > > > > > Command line tool has gone through:
> >>>> >>> >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > > HBASE-16620 Fix backup command-line tool
> >>>> >>> usability
> >>>> >>> >> > issues
> >>>> >>> >> > > > > >> > > > > > HBASE-16655 hbase backup describe with
> >>>> incorrect
> >>>> >>> >> backup
> >>>> >>> >> > id
> >>>> >>> >> > > > > >> results
> >>>> >>> >> > > > > >> > in
> >>>> >>> >> > > > > >> > > > NPE
> >>>> >>> >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > > The updated doc has been attached to
> >>>> HBASE-16574.
> >>>> >>> >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > > Cheers
> >>>> >>> >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > > On Thu, Sep 22, 2016 at 8:53 AM, Stack <
> >>>> >>> >> > st...@duboce.net>
> >>>> >>> >> > > > > >> wrote:
> >>>> >>> >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> On Wed, Sep 21, 2016 at 7:43 AM, Ted Yu <
> >>>> >>> >> > > > yuzhih...@gmail.com
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > >> > > wrote:
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> > Are there more (review) comments ?
> >>>> >>> >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> Are outstanding comments addressed?
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> I don't see answer to my 'is this
> >>>> >>> experimental/will
> >>>> >>> >> it
> >>>> >>> >> > be
> >>>> >>> >> > > > > >> marked
> >>>> >>> >> > > > > >> > > > > >> experimental' question.
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> I ran into some issues trying to use the
> >>>> >>> feature and
> >>>> >>> >> > > > > suggested
> >>>> >>> >> > > > > >> > that
> >>>> >>> >> > > > > >> > > a
> >>>> >>> >> > > > > >> > > > > >> feature likes this needs polish else
> it'll
> >>>> just
> >>>> >>> rot,
> >>>> >>> >> > > > unused.
> >>>> >>> >> > > > > >> Has
> >>>> >>> >> > > > > >> > > > polish
> >>>> >>> >> > > > > >> > > > > >> been applied? All ready for another
> 'user'
> >>>> test?
> >>>> >>> >> > Suggest
> >>>> >>> >> > > > that
> >>>> >>> >> > > > > >> you
> >>>> >>> >> > > > > >> > > > update
> >>>> >>> >> > > > > >> > > > > >> here going forward for the benefit of
> those
> >>>> >>> trying
> >>>> >>> >> to
> >>>> >>> >> > > > follow
> >>>> >>> >> > > > > >> along
> >>>> >>> >> > > > > >> > > and
> >>>> >>> >> > > > > >> > > > > who
> >>>> >>> >> > > > > >> > > > > >> are not watching JIRA change fly-by.
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> It looks like doc got a revision -- I
> have
> >>>> to
> >>>> >>> check
> >>>> >>> >> --
> >>>> >>> >> > to
> >>>> >>> >> > > > > take
> >>>> >>> >> > > > > >> on
> >>>> >>> >> > > > > >> > > > > >> suggestion made above but again, suggest,
> >>>> that
> >>>> >>> this
> >>>> >>> >> > > thread
> >>>> >>> >> > > > > gets
> >>>> >>> >> > > > > >> > > > updated.
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> Thanks,
> >>>> >>> >> > > > > >> > > > > >> St.Ack
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> > Thanks
> >>>> >>> >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > On Tue, Sep 20, 2016 at 10:02 AM,
> Devaraj
> >>>> Das
> >>>> >>> <
> >>>> >>> >> > > > > >> > > d...@hortonworks.com
> >>>> >>> >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > wrote:
> >>>> >>> >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > Just reviving this thread. Thanks
> Sean,
> >>>> >>> Stack,
> >>>> >>> >> > Dima,
> >>>> >>> >> > > > and
> >>>> >>> >> > > > > >> > others
> >>>> >>> >> > > > > >> > > > for
> >>>> >>> >> > > > > >> > > > > the
> >>>> >>> >> > > > > >> > > > > >> > > thorough reviews and testing. Thanks
> >>>> Ted and
> >>>> >>> >> Vlad
> >>>> >>> >> > for
> >>>> >>> >> > > > > >> taking
> >>>> >>> >> > > > > >> > > care
> >>>> >>> >> > > > > >> > > > of
> >>>> >>> >> > > > > >> > > > > >> the
> >>>> >>> >> > > > > >> > > > > >> > > feedback. Are we all good to do the
> >>>> merge
> >>>> >>> now?
> >>>> >>> >> > Rather
> >>>> >>> >> > > > do
> >>>> >>> >> > > > > >> > sooner
> >>>> >>> >> > > > > >> > > > than
> >>>> >>> >> > > > > >> > > > > >> > later.
> >>>> >>> >> > > > > >> > > > > >> > > ______________________________
> >>>> __________
> >>>> >>> >> > > > > >> > > > > >> > > From: saint....@gmail.com <
> >>>> >>> saint....@gmail.com>
> >>>> >>> >> on
> >>>> >>> >> > > > > behalf
> >>>> >>> >> > > > > >> of
> >>>> >>> >> > > > > >> > > > Stack
> >>>> >>> >> > > > > >> > > > > <
> >>>> >>> >> > > > > >> > > > > >> > > st...@duboce.net>
> >>>> >>> >> > > > > >> > > > > >> > > Sent: Monday, September 12, 2016
> 1:18 PM
> >>>> >>> >> > > > > >> > > > > >> > > To: HBase Dev List
> >>>> >>> >> > > > > >> > > > > >> > > Subject: Re: [DISCUSSION] Merge
> Backup /
> >>>> >>> >> Restore -
> >>>> >>> >> > > > Branch
> >>>> >>> >> > > > > >> > > > HBASE-7912
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > On Mon, Sep 12, 2016 at 12:19 PM, Ted
> >>>> Yu <
> >>>> >>> >> > > > > >> yuzhih...@gmail.com
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > wrote:
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > Mega patch (rev 18) is on
> HBASE-14123.
> >>>> >>> >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > Please comment on HBASE-14123 on
> how
> >>>> you
> >>>> >>> want
> >>>> >>> >> to
> >>>> >>> >> > > > > review.
> >>>> >>> >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > Yeah. That was my lost tab. Last rb
> was
> >>>> 6
> >>>> >>> months
> >>>> >>> >> > ago.
> >>>> >>> >> > > > > >> Suggest
> >>>> >>> >> > > > > >> > > > > updating
> >>>> >>> >> > > > > >> > > > > >> > it.
> >>>> >>> >> > > > > >> > > > > >> > > RB is pretty good for review. Patch
> is
> >>>> only
> >>>> >>> >> 1.5M so
> >>>> >>> >> > > > > should
> >>>> >>> >> > > > > >> be
> >>>> >>> >> > > > > >> > > > fine.
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > St.Ack
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > Thanks
> >>>> >>> >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > On Mon, Sep 12, 2016 at 12:15 PM,
> >>>> Stack <
> >>>> >>> >> > > > > >> st...@duboce.net>
> >>>> >>> >> > > > > >> > > > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > On review of the 'patch', do I
> just
> >>>> >>> compare
> >>>> >>> >> the
> >>>> >>> >> > > > > branch
> >>>> >>> >> > > > > >> to
> >>>> >>> >> > > > > >> > > > > master or
> >>>> >>> >> > > > > >> > > > > >> > is
> >>>> >>> >> > > > > >> > > > > >> > > > > there a megapatch posted
> somewhere
> >>>> (I
> >>>> >>> think
> >>>> >>> >> I
> >>>> >>> >> > saw
> >>>> >>> >> > > > one
> >>>> >>> >> > > > > >> but
> >>>> >>> >> > > > > >> > it
> >>>> >>> >> > > > > >> > > > > seemed
> >>>> >>> >> > > > > >> > > > > >> > > stale
> >>>> >>> >> > > > > >> > > > > >> > > > > and then I 'lost' the tab). Sorry
> >>>> for
> >>>> >>> dumb
> >>>> >>> >> > > > question.
> >>>> >>> >> > > > > >> > > > > >> > > > > St.Ack
> >>>> >>> >> > > > > >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > On Mon, Sep 12, 2016 at 12:01 PM,
> >>>> Stack
> >>>> >>> <
> >>>> >>> >> > > > > >> st...@duboce.net
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > > Late to the game. A few
> comments
> >>>> after
> >>>> >>> >> > > rereading
> >>>> >>> >> > > > > this
> >>>> >>> >> > > > > >> > > thread
> >>>> >>> >> > > > > >> > > > > as a
> >>>> >>> >> > > > > >> > > > > >> > > > 'user'.
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > > + Before merge, a user-facing
> >>>> feature
> >>>> >>> like
> >>>> >>> >> > this
> >>>> >>> >> > > > > >> should
> >>>> >>> >> > > > > >> > > work
> >>>> >>> >> > > > > >> > > > > (If
> >>>> >>> >> > > > > >> > > > > >> > this
> >>>> >>> >> > > > > >> > > > > >> > > is
> >>>> >>> >> > > > > >> > > > > >> > > > > "higher-bar
> >>>> >>> >> > > > > >> > > > > >> > > > > > for new features", bring it on
> --
> >>>> >>> smile).
> >>>> >>> >> > > > > >> > > > > >> > > > > > + As a user, I tried the branch
> >>>> with
> >>>> >>> tools
> >>>> >>> >> > > after
> >>>> >>> >> > > > > >> > reviewing
> >>>> >>> >> > > > > >> > > > the
> >>>> >>> >> > > > > >> > > > > >> > > > > just-posted
> >>>> >>> >> > > > > >> > > > > >> > > > > > doc. I had an 'interesting'
> >>>> experience
> >>>> >>> >> (left
> >>>> >>> >> > > > > >> comments up
> >>>> >>> >> > > > > >> > > on
> >>>> >>> >> > > > > >> > > > > >> > issue). I
> >>>> >>> >> > > > > >> > > > > >> > > > > think
> >>>> >>> >> > > > > >> > > > > >> > > > > > the tooling/doc. important to
> get
> >>>> >>> right.
> >>>> >>> >> If
> >>>> >>> >> > it
> >>>> >>> >> > > > > breaks
> >>>> >>> >> > > > > >> > > easily
> >>>> >>> >> > > > > >> > > > > or
> >>>> >>> >> > > > > >> > > > > >> is
> >>>> >>> >> > > > > >> > > > > >> > > > > > inconsistent (or lacks
> 'polish'),
> >>>> >>> >> operators
> >>>> >>> >> > > will
> >>>> >>> >> > > > > >> judge
> >>>> >>> >> > > > > >> > the
> >>>> >>> >> > > > > >> > > > > whole
> >>>> >>> >> > > > > >> > > > > >> > > > > > backup/restore tooling chain as
> >>>> not
> >>>> >>> >> > trustworthy
> >>>> >>> >> > > > and
> >>>> >>> >> > > > > >> > > abandon
> >>>> >>> >> > > > > >> > > > > it.
> >>>> >>> >> > > > > >> > > > > >> > Lets
> >>>> >>> >> > > > > >> > > > > >> > > > not
> >>>> >>> >> > > > > >> > > > > >> > > > > > have this happen to this
> feature.
> >>>> >>> >> > > > > >> > > > > >> > > > > > + Matteo's suggestion (with a
> >>>> helpful
> >>>> >>> >> starter
> >>>> >>> >> > > > list)
> >>>> >>> >> > > > > >> that
> >>>> >>> >> > > > > >> > > > there
> >>>> >>> >> > > > > >> > > > > >> > needs
> >>>> >>> >> > > > > >> > > > > >> > > to
> >>>> >>> >> > > > > >> > > > > >> > > > > be
> >>>> >>> >> > > > > >> > > > > >> > > > > > explicit qualification on what
> is
> >>>> >>> actually
> >>>> >>> >> > > being
> >>>> >>> >> > > > > >> > delivered
> >>>> >>> >> > > > > >> > > > --
> >>>> >>> >> > > > > >> > > > > >> > > > including a
> >>>> >>> >> > > > > >> > > > > >> > > > > > listing of limitations (some
> look
> >>>> >>> serious
> >>>> >>> >> > such
> >>>> >>> >> > > as
> >>>> >>> >> > > > > >> data
> >>>> >>> >> > > > > >> > > bleed
> >>>> >>> >> > > > > >> > > > > from
> >>>> >>> >> > > > > >> > > > > >> > > other
> >>>> >>> >> > > > > >> > > > > >> > > > > > regions in WALs, but maybe I
> don't
> >>>> >>> care
> >>>> >>> >> for
> >>>> >>> >> > my
> >>>> >>> >> > > > use
> >>>> >>> >> > > > > >> > > case...)
> >>>> >>> >> > > > > >> > > > --
> >>>> >>> >> > > > > >> > > > > >> > needs
> >>>> >>> >> > > > > >> > > > > >> > > to
> >>>> >>> >> > > > > >> > > > > >> > > > > > accompany the merge. Lets fold
> >>>> them
> >>>> >>> into
> >>>> >>> >> the
> >>>> >>> >> > > user
> >>>> >>> >> > > > > >> doc.
> >>>> >>> >> > > > > >> > in
> >>>> >>> >> > > > > >> > > > the
> >>>> >>> >> > > > > >> > > > > >> > > technical
> >>>> >>> >> > > > > >> > > > > >> > > > > > overview area as suggested so
> user
> >>>> >>> >> > expectations
> >>>> >>> >> > > > are
> >>>> >>> >> > > > > >> > > properly
> >>>> >>> >> > > > > >> > > > > >> > managed
> >>>> >>> >> > > > > >> > > > > >> > > > > > (otherwise, they expect the
> world
> >>>> and
> >>>> >>> will
> >>>> >>> >> > just
> >>>> >>> >> > > > > give
> >>>> >>> >> > > > > >> up
> >>>> >>> >> > > > > >> > > when
> >>>> >>> >> > > > > >> > > > > we
> >>>> >>> >> > > > > >> > > > > >> > fall
> >>>> >>> >> > > > > >> > > > > >> > > > > > short). Vladimir did a list of
> >>>> what
> >>>> >>> is in
> >>>> >>> >> > each
> >>>> >>> >> > > of
> >>>> >>> >> > > > > the
> >>>> >>> >> > > > > >> > > phases
> >>>> >>> >> > > > > >> > > > > >> above
> >>>> >>> >> > > > > >> > > > > >> > > > which
> >>>> >>> >> > > > > >> > > > > >> > > > > > would serve as a good start.
> >>>> >>> >> > > > > >> > > > > >> > > > > > + Is this feature
> 'experimental'
> >>>> >>> (Matteo
> >>>> >>> >> asks
> >>>> >>> >> > > > > above).
> >>>> >>> >> > > > > >> > I'd
> >>>> >>> >> > > > > >> > > > > prefer
> >>>> >>> >> > > > > >> > > > > >> it
> >>>> >>> >> > > > > >> > > > > >> > > is
> >>>> >>> >> > > > > >> > > > > >> > > > > > not. If it is, it should be
> >>>> labelled
> >>>> >>> all
> >>>> >>> >> over
> >>>> >>> >> > > > that
> >>>> >>> >> > > > > >> it is
> >>>> >>> >> > > > > >> > > > so. I
> >>>> >>> >> > > > > >> > > > > >> see
> >>>> >>> >> > > > > >> > > > > >> > > > > current
> >>>> >>> >> > > > > >> > > > > >> > > > > > state called out as a '...
> >>>> technical
> >>>> >>> >> preview
> >>>> >>> >> > > > > >> feature'.
> >>>> >>> >> > > > > >> > > Does
> >>>> >>> >> > > > > >> > > > > this
> >>>> >>> >> > > > > >> > > > > >> > mean
> >>>> >>> >> > > > > >> > > > > >> > > > > > not-for-users?
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > > St.Ack
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > > On Mon, Sep 12, 2016 at 8:03
> AM,
> >>>> Ted
> >>>> >>> Yu <
> >>>> >>> >> > > > > >> > > > yuzhih...@gmail.com>
> >>>> >>> >> > > > > >> > > > > >> > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> Sean:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> Do you have more comments ?
> >>>> >>> >> > > > > >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> Cheers
> >>>> >>> >> > > > > >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> On Fri, Sep 9, 2016 at 1:42
> PM,
> >>>> >>> Vladimir
> >>>> >>> >> > > > Rodionov
> >>>> >>> >> > > > > <
> >>>> >>> >> > > > > >> > > > > >> > > > > vladrodio...@gmail.com
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > Sean,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > Backup/Restore can fail due
> to
> >>>> >>> various
> >>>> >>> >> > > > reasons:
> >>>> >>> >> > > > > >> > network
> >>>> >>> >> > > > > >> > > > > outage
> >>>> >>> >> > > > > >> > > > > >> > > > > (cluster
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > wide), various time-outs in
> >>>> HBase
> >>>> >>> and
> >>>> >>> >> HDFS
> >>>> >>> >> > > > > layer,
> >>>> >>> >> > > > > >> M/R
> >>>> >>> >> > > > > >> > > > > failure
> >>>> >>> >> > > > > >> > > > > >> > due
> >>>> >>> >> > > > > >> > > > > >> > > to
> >>>> >>> >> > > > > >> > > > > >> > > > > >> "HDFS
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > exceeded quota", user error
> >>>> (manual
> >>>> >>> >> > deletion
> >>>> >>> >> > > > of
> >>>> >>> >> > > > > >> data)
> >>>> >>> >> > > > > >> > > and
> >>>> >>> >> > > > > >> > > > > so
> >>>> >>> >> > > > > >> > > > > >> on
> >>>> >>> >> > > > > >> > > > > >> > so
> >>>> >>> >> > > > > >> > > > > >> > > > on.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> That
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > is impossible to enumerate
> all
> >>>> >>> possible
> >>>> >>> >> > > types
> >>>> >>> >> > > > of
> >>>> >>> >> > > > > >> > > failures
> >>>> >>> >> > > > > >> > > > > in a
> >>>> >>> >> > > > > >> > > > > >> > > > > >> distributed
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > system - that is not our
> >>>> goal/task.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > We focus completely on
> backup
> >>>> >>> system
> >>>> >>> >> table
> >>>> >>> >> > > > > >> > consistency
> >>>> >>> >> > > > > >> > > > in a
> >>>> >>> >> > > > > >> > > > > >> > > presence
> >>>> >>> >> > > > > >> > > > > >> > > > > of
> >>>> >>> >> > > > > >> > > > > >> > > > > >> any
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > type of failure. That is
> what I
> >>>> >>> call
> >>>> >>> >> > > > "tolerance
> >>>> >>> >> > > > > to
> >>>> >>> >> > > > > >> > > > > failures".
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > On a failure:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > BACKUP. All backup system
> >>>> >>> information
> >>>> >>> >> > (prior
> >>>> >>> >> > > > to
> >>>> >>> >> > > > > >> > backup)
> >>>> >>> >> > > > > >> > > > > will
> >>>> >>> >> > > > > >> > > > > >> be
> >>>> >>> >> > > > > >> > > > > >> > > > > restored
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > and all temporary data,
> >>>> related to
> >>>> >>> a
> >>>> >>> >> > failed
> >>>> >>> >> > > > > >> session,
> >>>> >>> >> > > > > >> > in
> >>>> >>> >> > > > > >> > > > > HDFS
> >>>> >>> >> > > > > >> > > > > >> > will
> >>>> >>> >> > > > > >> > > > > >> > > be
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > deleted
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > RESTORE. We do not care
> about
> >>>> >>> system
> >>>> >>> >> data,
> >>>> >>> >> > > > > because
> >>>> >>> >> > > > > >> > > > restore
> >>>> >>> >> > > > > >> > > > > >> does
> >>>> >>> >> > > > > >> > > > > >> > > not
> >>>> >>> >> > > > > >> > > > > >> > > > > >> change
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > it. Temporary data in HDFS
> >>>> will be
> >>>> >>> >> cleaned
> >>>> >>> >> > > up
> >>>> >>> >> > > > > and
> >>>> >>> >> > > > > >> > table
> >>>> >>> >> > > > > >> > > > > will
> >>>> >>> >> > > > > >> > > > > >> be
> >>>> >>> >> > > > > >> > > > > >> > > in a
> >>>> >>> >> > > > > >> > > > > >> > > > > >> state
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > back to where it was before
> >>>> >>> operation
> >>>> >>> >> > > started.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > This is what user should
> >>>> expect in
> >>>> >>> case
> >>>> >>> >> > of a
> >>>> >>> >> > > > > >> failure.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > -Vlad
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > -Vlad
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > On Fri, Sep 9, 2016 at 12:56
> >>>> PM,
> >>>> >>> Sean
> >>>> >>> >> > > Busbey <
> >>>> >>> >> > > > > >> > > > > >> bus...@apache.org
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > Failing in a consistent
> way,
> >>>> with
> >>>> >>> >> docs
> >>>> >>> >> > > that
> >>>> >>> >> > > > > >> explain
> >>>> >>> >> > > > > >> > > the
> >>>> >>> >> > > > > >> > > > > >> > various
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > expected failures would be
> >>>> >>> >> sufficient.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > On Fri, Sep 9, 2016 at
> 12:16
> >>>> PM,
> >>>> >>> >> > Vladimir
> >>>> >>> >> > > > > >> Rodionov
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > <vladrodio...@gmail.com>
> >>>> wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > Do not worry Sean, doc
> is
> >>>> >>> coming
> >>>> >>> >> today
> >>>> >>> >> > > as
> >>>> >>> >> > > > a
> >>>> >>> >> > > > > >> > preview
> >>>> >>> >> > > > > >> > > > and
> >>>> >>> >> > > > > >> > > > > >> our
> >>>> >>> >> > > > > >> > > > > >> > > > writer
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > Frank
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > will be working on a
> >>>> putting
> >>>> >>> it
> >>>> >>> >> into
> >>>> >>> >> > > > Apache
> >>>> >>> >> > > > > >> > repo.
> >>>> >>> >> > > > > >> > > > > >> Timeline
> >>>> >>> >> > > > > >> > > > > >> > > > > depends
> >>>> >>> >> > > > > >> > > > > >> > > > > >> on
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > Franks schedule but I
> hope
> >>>> we
> >>>> >>> will
> >>>> >>> >> get
> >>>> >>> >> > > it
> >>>> >>> >> > > > > >> rather
> >>>> >>> >> > > > > >> > > > sooner
> >>>> >>> >> > > > > >> > > > > >> than
> >>>> >>> >> > > > > >> > > > > >> > > > > later.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > As for failure testing,
> we
> >>>> are
> >>>> >>> >> > focusing
> >>>> >>> >> > > > only
> >>>> >>> >> > > > > >> on a
> >>>> >>> >> > > > > >> > > > > >> consistent
> >>>> >>> >> > > > > >> > > > > >> > > > state
> >>>> >>> >> > > > > >> > > > > >> > > > > >> of
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > backup system data in a
> >>>> >>> presence of
> >>>> >>> >> > any
> >>>> >>> >> > > > type
> >>>> >>> >> > > > > >> of
> >>>> >>> >> > > > > >> > > > > failures,
> >>>> >>> >> > > > > >> > > > > >> We
> >>>> >>> >> > > > > >> > > > > >> > > are
> >>>> >>> >> > > > > >> > > > > >> > > > > not
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > going
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > to implement  anything
> more
> >>>> >>> >> "fancy",
> >>>> >>> >> > > than
> >>>> >>> >> > > > > >> that.
> >>>> >>> >> > > > > >> > We
> >>>> >>> >> > > > > >> > > > > allow
> >>>> >>> >> > > > > >> > > > > >> > both:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> backup
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > and
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > restore to fail. What we
> >>>> do not
> >>>> >>> >> allow
> >>>> >>> >> > is
> >>>> >>> >> > > > to
> >>>> >>> >> > > > > >> have
> >>>> >>> >> > > > > >> > > > system
> >>>> >>> >> > > > > >> > > > > >> data
> >>>> >>> >> > > > > >> > > > > >> > > > > >> corrupted.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > Will it suffice for you?
> >>>> Do you
> >>>> >>> >> have
> >>>> >>> >> > any
> >>>> >>> >> > > > > other
> >>>> >>> >> > > > > >> > > > > concerns,
> >>>> >>> >> > > > > >> > > > > >> you
> >>>> >>> >> > > > > >> > > > > >> > > > want
> >>>> >>> >> > > > > >> > > > > >> > > > > >> us to
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > address?
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > -Vlad
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > > On Fri, Sep 9, 2016 at
> >>>> 10:56
> >>>> >>> AM,
> >>>> >>> >> Sean
> >>>> >>> >> > > > > Busbey <
> >>>> >>> >> > > > > >> > > > > >> > > bus...@apache.org
> >>>> >>> >> > > > > >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> "docs will come to
> Apache
> >>>> >>> soon"
> >>>> >>> >> does
> >>>> >>> >> > > not
> >>>> >>> >> > > > > >> address
> >>>> >>> >> > > > > >> > > my
> >>>> >>> >> > > > > >> > > > > >> concern
> >>>> >>> >> > > > > >> > > > > >> > > > > around
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > docs
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > at
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> all, unless said docs
> have
> >>>> >>> already
> >>>> >>> >> > made
> >>>> >>> >> > > > it
> >>>> >>> >> > > > > >> into
> >>>> >>> >> > > > > >> > > the
> >>>> >>> >> > > > > >> > > > > >> project
> >>>> >>> >> > > > > >> > > > > >> > > > > repo. I
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > don't
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> want third party
> >>>> resources for
> >>>> >>> >> using
> >>>> >>> >> > a
> >>>> >>> >> > > > > major
> >>>> >>> >> > > > > >> and
> >>>> >>> >> > > > > >> > > > > >> important
> >>>> >>> >> > > > > >> > > > > >> > > > > feature
> >>>> >>> >> > > > > >> > > > > >> > > > > >> of
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > the
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> project, I want us to
> >>>> provide
> >>>> >>> end
> >>>> >>> >> > users
> >>>> >>> >> > > > > with
> >>>> >>> >> > > > > >> > what
> >>>> >>> >> > > > > >> > > > they
> >>>> >>> >> > > > > >> > > > > >> need
> >>>> >>> >> > > > > >> > > > > >> > > to
> >>>> >>> >> > > > > >> > > > > >> > > > > get
> >>>> >>> >> > > > > >> > > > > >> > > > > >> the
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > job
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> done.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> I see some calls for
> >>>> patience
> >>>> >>> on
> >>>> >>> >> the
> >>>> >>> >> > > > > failure
> >>>> >>> >> > > > > >> > > > testing,
> >>>> >>> >> > > > > >> > > > > but
> >>>> >>> >> > > > > >> > > > > >> > the
> >>>> >>> >> > > > > >> > > > > >> > > > > >> appeal
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > to
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > us
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> having done a bad job
> of
> >>>> >>> requiring
> >>>> >>> >> > > proper
> >>>> >>> >> > > > > >> tests
> >>>> >>> >> > > > > >> > of
> >>>> >>> >> > > > > >> > > > > >> previous
> >>>> >>> >> > > > > >> > > > > >> > > > > >> features
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > just
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> makes me more concerned
> >>>> about
> >>>> >>> not
> >>>> >>> >> > > getting
> >>>> >>> >> > > > > >> them
> >>>> >>> >> > > > > >> > > > here. I
> >>>> >>> >> > > > > >> > > > > >> > don't
> >>>> >>> >> > > > > >> > > > > >> > > > want
> >>>> >>> >> > > > > >> > > > > >> > > > > >> to
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > set
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> yet another bad example
> >>>> that
> >>>> >>> will
> >>>> >>> >> > then
> >>>> >>> >> > > be
> >>>> >>> >> > > > > >> > pointed
> >>>> >>> >> > > > > >> > > to
> >>>> >>> >> > > > > >> > > > > in
> >>>> >>> >> > > > > >> > > > > >> the
> >>>> >>> >> > > > > >> > > > > >> > > > > future.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> On Sep 8, 2016 10:50,
> "Ted
> >>>> >>> Yu" <
> >>>> >>> >> > > > > >> > > yuzhih...@gmail.com
> >>>> >>> >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > Is there any concern
> >>>> which
> >>>> >>> is
> >>>> >>> >> not
> >>>> >>> >> > > > > >> addressed ?
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > Do we need another
> Vote
> >>>> >>> thread ?
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > Thanks
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > On Thu, Sep 8, 2016
> at
> >>>> 9:21
> >>>> >>> AM,
> >>>> >>> >> > > Andrew
> >>>> >>> >> > > > > >> > Purtell <
> >>>> >>> >> > > > > >> > > > > >> > > > > >> apurt...@apache.org
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > Vlad,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > I apologize for
> using
> >>>> the
> >>>> >>> term
> >>>> >>> >> > > > > >> 'half-baked'
> >>>> >>> >> > > > > >> > > in a
> >>>> >>> >> > > > > >> > > > > way
> >>>> >>> >> > > > > >> > > > > >> > that
> >>>> >>> >> > > > > >> > > > > >> > > > > could
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > seem a
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > description of
> >>>> >>> HBASE-7912. I
> >>>> >>> >> > meant
> >>>> >>> >> > > > that
> >>>> >>> >> > > > > >> as a
> >>>> >>> >> > > > > >> > > > > general
> >>>> >>> >> > > > > >> > > > > >> > > > > >> hypothetical.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > On Wed, Sep 7,
> 2016 at
> >>>> >>> 9:36
> >>>> >>> >> AM,
> >>>> >>> >> > > > > Vladimir
> >>>> >>> >> > > > > >> > > > Rodionov
> >>>> >>> >> > > > > >> > > > > <
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> >
> vladrodio...@gmail.com>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >> I'm not sure
> that
> >>>> >>> "There
> >>>> >>> >> is
> >>>> >>> >> > > > > already
> >>>> >>> >> > > > > >> > lots
> >>>> >>> >> > > > > >> > > of
> >>>> >>> >> > > > > >> > > > > >> > > half-baked
> >>>> >>> >> > > > > >> > > > > >> > > > > >> code
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > in
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > the
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > branch,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > so what's the
> harm
> >>>> in
> >>>> >>> adding
> >>>> >>> >> > > more?"
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > I meant - not
> >>>> >>> production -
> >>>> >>> >> > ready
> >>>> >>> >> > > > yet.
> >>>> >>> >> > > > > >> This
> >>>> >>> >> > > > > >> > > is
> >>>> >>> >> > > > > >> > > > > 2.0
> >>>> >>> >> > > > > >> > > > > >> > > > > development
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > branch
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > and,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > hence many
> features
> >>>> are
> >>>> >>> in
> >>>> >>> >> > works,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > not being tested
> >>>> well
> >>>> >>> etc.
> >>>> >>> >> I do
> >>>> >>> >> > > not
> >>>> >>> >> > > > > >> > consider
> >>>> >>> >> > > > > >> > > > > backup
> >>>> >>> >> > > > > >> > > > > >> > as
> >>>> >>> >> > > > > >> > > > > >> > > > half
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > baked
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > feature -
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > it has passed our
> >>>> >>> internal
> >>>> >>> >> QA
> >>>> >>> >> > and
> >>>> >>> >> > > > has
> >>>> >>> >> > > > > >> very
> >>>> >>> >> > > > > >> > > > good
> >>>> >>> >> > > > > >> > > > > >> doc,
> >>>> >>> >> > > > > >> > > > > >> > > > which
> >>>> >>> >> > > > > >> > > > > >> > > > > we
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > will
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > provide
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > to Apache
> shortly.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > -Vlad
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > On Wed, Sep 7,
> 2016
> >>>> at
> >>>> >>> 9:13
> >>>> >>> >> AM,
> >>>> >>> >> > > > > Andrew
> >>>> >>> >> > > > > >> > > > Purtell <
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > apurt...@apache.org>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > We shouldn't
> admit
> >>>> >>> half
> >>>> >>> >> baked
> >>>> >>> >> > > > > changes
> >>>> >>> >> > > > > >> > that
> >>>> >>> >> > > > > >> > > > > won't
> >>>> >>> >> > > > > >> > > > > >> be
> >>>> >>> >> > > > > >> > > > > >> > > > > >> finished.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> However
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > in
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > this case the
> crew
> >>>> >>> >> working on
> >>>> >>> >> > > > this
> >>>> >>> >> > > > > >> > feature
> >>>> >>> >> > > > > >> > > > are
> >>>> >>> >> > > > > >> > > > > >> long
> >>>> >>> >> > > > > >> > > > > >> > > > > timers
> >>>> >>> >> > > > > >> > > > > >> > > > > >> and
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > less
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > likely
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > than just about
> >>>> >>> anyone to
> >>>> >>> >> > leave
> >>>> >>> >> > > > > >> > something
> >>>> >>> >> > > > > >> > > > in a
> >>>> >>> >> > > > > >> > > > > >> half
> >>>> >>> >> > > > > >> > > > > >> > > > baked
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > state. Of
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > course
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > there is no
> >>>> guarantee
> >>>> >>> how
> >>>> >>> >> > > > anything
> >>>> >>> >> > > > > >> will
> >>>> >>> >> > > > > >> > > turn
> >>>> >>> >> > > > > >> > > > > out,
> >>>> >>> >> > > > > >> > > > > >> > > but I
> >>>> >>> >> > > > > >> > > > > >> > > > > am
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > willing
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> to
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > take
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > a little on
> faith
> >>>> if
> >>>> >>> they
> >>>> >>> >> > feel
> >>>> >>> >> > > > > their
> >>>> >>> >> > > > > >> > best
> >>>> >>> >> > > > > >> > > > path
> >>>> >>> >> > > > > >> > > > > >> > > forward
> >>>> >>> >> > > > > >> > > > > >> > > > > now
> >>>> >>> >> > > > > >> > > > > >> > > > > >> is
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > to
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > merge
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > to
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > trunk. I only
> >>>> wish I
> >>>> >>> had
> >>>> >>> >> > > > bandwidth
> >>>> >>> >> > > > > to
> >>>> >>> >> > > > > >> > have
> >>>> >>> >> > > > > >> > > > > done
> >>>> >>> >> > > > > >> > > > > >> > some
> >>>> >>> >> > > > > >> > > > > >> > > > real
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > kicking
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> of
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > the
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > tires by now.
> >>>> Maybe
> >>>> >>> this
> >>>> >>> >> > week.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > (Yes, I'm using
> >>>> some
> >>>> >>> of
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > under
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > discussion
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > for revert. Or,
> >>>> we'd
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > acceptable.
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> >>>> 2016 at
> >>>> >>> >> 8:56
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> >>>> >>> >> > > > > Dima
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > dimaspi...@apache.org
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
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> >>>> >>> >> > > it's
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > the
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> pain,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > so
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > On Wed, Sep
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> >>>> 2016
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> >>>> >>> >> 8:46
> >>>> >>> >> > > AM,
> >>>> >>> >> > > > > >> > Vladimir
> >>>> >>> >> > > > > >> > > > > >> > Rodionov <
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> vladrodio...@gmail.com>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > wrote:
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > >
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > >
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> >>>> >>> >> > > Apache.
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> > works,
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> >>>> >>> >> > > > > >> > > > > >> > > > > >> into
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > downstream
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > > > facing
> >>>> releases
> >>>> >>> >> without
> >>>> >>> >> > > > > >> robustness
> >>>> >>> >> > > > > >> > > > > checks
> >>>> >>> >> > > > > >> > > > > >> > (i.e.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > replication),
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > and
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > I'm
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > > > concerned
> >>>> about
> >>>> >>> what
> >>>> >>> >> > > we're
> >>>> >>> >> > > > > >> setting
> >>>> >>> >> > > > > >> > > up
> >>>> >>> >> > > > > >> > > > if
> >>>> >>> >> > > > > >> > > > > >> 2.0
> >>>> >>> >> > > > > >> > > > > >> > > goes
> >>>> >>> >> > > > > >> > > > > >> > > > > out
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > with
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> this
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > > > feature
> in
> >>>> its
> >>>> >>> >> current
> >>>> >>> >> > > > state.
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > --
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > Best regards,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >    - Andy
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > Problems
> worthy of
> >>>> >>> attack
> >>>> >>> >> > prove
> >>>> >>> >> > > > > their
> >>>> >>> >> > > > > >> > > worth
> >>>> >>> >> > > > > >> > > > by
> >>>> >>> >> > > > > >> > > > > >> > > hitting
> >>>> >>> >> > > > > >> > > > > >> > > > > >> back. -
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > Piet
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > Hein
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > > (via Tom White)
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > --
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > Best regards,
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >    - Andy
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > Problems worthy of
> >>>> attack
> >>>> >>> >> prove
> >>>> >>> >> > > their
> >>>> >>> >> > > > > >> worth
> >>>> >>> >> > > > > >> > by
> >>>> >>> >> > > > > >> > > > > >> hitting
> >>>> >>> >> > > > > >> > > > > >> > > > back.
> >>>> >>> >> > > > > >> > > > > >> > > > > -
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > Piet
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> Hein
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > > (via Tom White)
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > > >
> >>>> >>> >> > > > > >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > >> > > >
> >>>> >>> >> > > > > >> > > > > >> > >
> >>>> >>> >> > > > > >> > > > > >> >
> >>>> >>> >> > > > > >> > > > > >>
> >>>> >>> >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > > > --
> >>>> >>> >> > > > > >> > > > > busbey
> >>>> >>> >> > > > > >> > > > >
> >>>> >>> >> > > > > >> > > >
> >>>> >>> >> > > > > >> > >
> >>>> >>> >> > > > > >> >
> >>>> >>> >> > > > > >>
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > > >
> >>>> >>> >> > > > >
> >>>> >>> >> > > >
> >>>> >>> >> > >
> >>>> >>> >> >
> >>>> >>> >>
> >>>> >>> >>
> >>>> >>> >>
> >>>> >>> >> --
> >>>> >>> >>
> >>>> >>> >> -- Appy
> >>>> >>> >>
> >>>> >>> >
> >>>> >>> >
> >>>> >>>
> >>>> >>
> >>>> >>
> >>>> >
> >>>>
> >>>
> >>>
> >>
>
>
>
> --
> busbey
>
>

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