But first I need to do massive fixes and improvements to the distributed optimizer itself. Still waiting on green light for that. On Feb 3, 2015 8:45 AM, "Dmitriy Lyubimov" <dlie...@gmail.com> wrote:
> > On Feb 3, 2015 7:20 AM, "Pat Ferrel" <p...@occamsmachete.com> wrote: > > > > BTW what level of difficulty would making the DSL run on MLlib Vectors > and RowMatrix be? Looking at using their hashing TF-IDF but it raises > impedance mismatch between DRM and MLlib RowMatrix. This would further > reduce artifact size by a bunch. > > Short answer, if it were possible, I'd not bother with Mahout code base at > all. The problem is it lacks sufficient flexibility semantics and > abstruction. Breeze is indefinitely better in that department but at the > time it was sufficiently worse on abstracting interoperability of matrices > with different structures. And mllib does not expose breeze. > > Looking forward toward hardware acellerated bolt-on work I just must say > after reading breeze code for some time I still have much clearer plan how > such back hybridization and cost calibration might work with current Mahout > math abstractions than with breeze. It is also more in line with my current > work tasks. > > > > > Also backing something like a DRM with DStreams. Periodic model recalc > with streams is maybe the first step towards truly streaming algos. Looking > at DStream -> DRM conversion for A’A, A’B, and AA’ in item and row > similarity. Attach Kafka and get evergreen models, if not incrementally > updating models. > > > > On Feb 2, 2015, at 4:54 PM, Dmitriy Lyubimov <dlie...@gmail.com> wrote: > > > > bottom line compile-time dependencies are satisfied with no extra stuff > > from mr-legacy or its transitives. This is proven by virtue of > successful > > compilation with no dependency on mr-legacy on the tree. > > > > Runtime sufficiency for no extra dependency is proven via running shell > or > > embedded tests (unit tests) which are successful too. This implies > > embedding and shell apis. > > > > Issue with guava is typical one. if it were an issue, i wouldn't be able > to > > compile and/or run stuff. Now, question is what do we do if drivers want > > extra stuff that is not found in Spark. > > > > Now, It is so nice not to depend on anything extra so i am hesitant to > > offer anything here. either shading or lib with opt-in dependency policy > > would suffice though, since it doesn't look like we'd have to have tons > of > > extra for drivers. > > > > > > > > On Sat, Jan 31, 2015 at 10:17 AM, Pat Ferrel <p...@occamsmachete.com> > wrote: > > > > > I vaguely remember there being a Guava version problem where the > version > > > had to be rolled back in one of the hadoop modules. The math-scala > > > IndexedDataset shouldn’t care about version. > > > > > > BTW It seems pretty easy to take out the option parser and replace with > > > match and tuples especially if we can extend the Scala App class. It > might > > > actually simplify things since I can then use several case classes to > hold > > > options (scopt needed one object), which in turn takes out all those > ugly > > > casts. I’ll take a look next time I’m in there. > > > > > > On Jan 30, 2015, at 4:07 PM, Dmitriy Lyubimov <dlie...@gmail.com> > wrote: > > > > > > in 'spark' module it is overwritten with spark dependency, which also > comes > > > at the same version so happens. so should be fine with 1.1.x > > > > > > [INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ > > > mahout-spark_2.10 --- > > > [INFO] org.apache.mahout:mahout-spark_2.10:jar:1.0-SNAPSHOT > > > [INFO] +- org.apache.spark:spark-core_2.10:jar:1.1.0:compile > > > [INFO] | +- org.apache.hadoop:hadoop-client:jar:2.2.0:compile > > > [INFO] | | +- org.apache.hadoop:hadoop-common:jar:2.2.0:compile > > > [INFO] | | | +- commons-cli:commons-cli:jar:1.2:compile > > > [INFO] | | | +- org.apache.commons:commons-math:jar:2.1:compile > > > [INFO] | | | +- commons-io:commons-io:jar:2.4:compile > > > [INFO] | | | +- commons-logging:commons-logging:jar:1.1.3:compile > > > [INFO] | | | +- commons-lang:commons-lang:jar:2.6:compile > > > [INFO] | | | +- > > > commons-configuration:commons-configuration:jar:1.6:compile > > > [INFO] | | | | +- > > > commons-collections:commons-collections:jar:3.2.1:compile > > > [INFO] | | | | +- commons-digester:commons-digester:jar:1.8:compile > > > [INFO] | | | | | \- > > > commons-beanutils:commons-beanutils:jar:1.7.0:compile > > > [INFO] | | | | \- > > > commons-beanutils:commons-beanutils-core:jar:1.8.0:compile > > > [INFO] | | | +- org.apache.avro:avro:jar:1.7.4:compile > > > [INFO] | | | +- com.google.protobuf:protobuf-java:jar:2.5.0:compile > > > [INFO] | | | +- org.apache.hadoop:hadoop-auth:jar:2.2.0:compile > > > [INFO] | | | \- > org.apache.commons:commons-compress:jar:1.4.1:compile > > > [INFO] | | | \- org.tukaani:xz:jar:1.0:compile > > > [INFO] | | +- org.apache.hadoop:hadoop-hdfs:jar:2.2.0:compile > > > [INFO] | | +- > > > org.apache.hadoop:hadoop-mapreduce-client-app:jar:2.2.0:compile > > > [INFO] | | | +- > > > org.apache.hadoop:hadoop-mapreduce-client-common:jar:2.2.0:compile > > > [INFO] | | | | +- > > > org.apache.hadoop:hadoop-yarn-client:jar:2.2.0:compile > > > [INFO] | | | | | +- com.google.inject:guice:jar:3.0:compile > > > [INFO] | | | | | | +- javax.inject:javax.inject:jar:1:compile > > > [INFO] | | | | | | \- aopalliance:aopalliance:jar:1.0:compile > > > [INFO] | | | | | +- > > > > > > > com.sun.jersey.jersey-test-framework:jersey-test-framework-grizzly2:jar:1.9:compile > > > [INFO] | | | | | | +- > > > > > > > com.sun.jersey.jersey-test-framework:jersey-test-framework-core:jar:1.9:compile > > > [INFO] | | | | | | | +- > > > javax.servlet:javax.servlet-api:jar:3.0.1:compile > > > [INFO] | | | | | | | \- > com.sun.jersey:jersey-client:jar:1.9:compile > > > [INFO] | | | | | | \- > com.sun.jersey:jersey-grizzly2:jar:1.9:compile > > > [INFO] | | | | | | +- > > > org.glassfish.grizzly:grizzly-http:jar:2.1.2:compile > > > [INFO] | | | | | | | \- > > > org.glassfish.grizzly:grizzly-framework:jar:2.1.2:compile > > > [INFO] | | | | | | | \- > > > org.glassfish.gmbal:gmbal-api-only:jar:3.0.0-b023:compile > > > [INFO] | | | | | | | \- > > > org.glassfish.external:management-api:jar:3.0.0-b012:compile > > > [INFO] | | | | | | +- > > > org.glassfish.grizzly:grizzly-http-server:jar:2.1.2:compile > > > [INFO] | | | | | | | \- > > > org.glassfish.grizzly:grizzly-rcm:jar:2.1.2:compile > > > [INFO] | | | | | | +- > > > org.glassfish.grizzly:grizzly-http-servlet:jar:2.1.2:compile > > > [INFO] | | | | | | \- > org.glassfish:javax.servlet:jar:3.1:compile > > > [INFO] | | | | | +- com.sun.jersey:jersey-server:jar:1.9:compile > > > [INFO] | | | | | | +- asm:asm:jar:3.1:compile > > > [INFO] | | | | | | \- com.sun.jersey:jersey-core:jar:1.9:compile > > > [INFO] | | | | | +- com.sun.jersey:jersey-json:jar:1.9:compile > > > [INFO] | | | | | | +- > org.codehaus.jettison:jettison:jar:1.1:compile > > > [INFO] | | | | | | | \- stax:stax-api:jar:1.0.1:compile > > > [INFO] | | | | | | +- > com.sun.xml.bind:jaxb-impl:jar:2.2.3-1:compile > > > [INFO] | | | | | | | \- > javax.xml.bind:jaxb-api:jar:2.2.2:compile > > > [INFO] | | | | | | | \- > > > javax.activation:activation:jar:1.1:compile > > > [INFO] | | | | | | +- > > > org.codehaus.jackson:jackson-jaxrs:jar:1.8.3:compile > > > [INFO] | | | | | | \- > > > org.codehaus.jackson:jackson-xc:jar:1.8.3:compile > > > [INFO] | | | | | \- > > > com.sun.jersey.contribs:jersey-guice:jar:1.9:compile > > > [INFO] | | | | \- > > > org.apache.hadoop:hadoop-yarn-server-common:jar:2.2.0:compile > > > [INFO] | | | \- > > > org.apache.hadoop:hadoop-mapreduce-client-shuffle:jar:2.2.0:compile > > > [INFO] | | +- org.apache.hadoop:hadoop-yarn-api:jar:2.2.0:compile > > > [INFO] | | +- > > > org.apache.hadoop:hadoop-mapreduce-client-core:jar:2.2.0:compile > > > [INFO] | | | \- > org.apache.hadoop:hadoop-yarn-common:jar:2.2.0:compile > > > [INFO] | | +- > > > org.apache.hadoop:hadoop-mapreduce-client-jobclient:jar:2.2.0:compile > > > [INFO] | | \- org.apache.hadoop:hadoop-annotations:jar:2.2.0:compile > > > [INFO] | +- net.java.dev.jets3t:jets3t:jar:0.7.1:compile > > > [INFO] | | +- commons-codec:commons-codec:jar:1.3:compile > > > [INFO] | | \- commons-httpclient:commons-httpclient:jar:3.1:compile > > > [INFO] | +- org.apache.curator:curator-recipes:jar:2.4.0:compile > > > [INFO] | | +- org.apache.curator:curator-framework:jar:2.4.0:compile > > > [INFO] | | | \- org.apache.curator:curator-client:jar:2.4.0:compile > > > [INFO] | | \- org.apache.zookeeper:zookeeper:jar:3.4.5:compile > > > [INFO] | | \- jline:jline:jar:0.9.94:compile > > > [INFO] | +- org.eclipse.jetty:jetty-plus:jar:8.1.14.v20131031:compile > > > [INFO] | | +- > > > > org.eclipse.jetty.orbit:javax.transaction:jar:1.1.1.v201105210645:compile > > > [INFO] | | +- > org.eclipse.jetty:jetty-webapp:jar:8.1.14.v20131031:compile > > > [INFO] | | | +- > org.eclipse.jetty:jetty-xml:jar:8.1.14.v20131031:compile > > > [INFO] | | | \- > > > org.eclipse.jetty:jetty-servlet:jar:8.1.14.v20131031:compile > > > [INFO] | | \- > org.eclipse.jetty:jetty-jndi:jar:8.1.14.v20131031:compile > > > [INFO] | | \- > > > > > > > org.eclipse.jetty.orbit:javax.mail.glassfish:jar:1.4.1.v201005082020:compile > > > [INFO] | | \- > > > > org.eclipse.jetty.orbit:javax.activation:jar:1.1.0.v201105071233:compile > > > [INFO] | +- > org.eclipse.jetty:jetty-security:jar:8.1.14.v20131031:compile > > > [INFO] | +- org.eclipse.jetty:jetty-util:jar:8.1.14.v20131031:compile > > > [INFO] | +- > org.eclipse.jetty:jetty-server:jar:8.1.14.v20131031:compile > > > [INFO] | | +- > > > org.eclipse.jetty.orbit:javax.servlet:jar:3.0.0.v201112011016:compile > > > [INFO] | | +- > > > org.eclipse.jetty:jetty-continuation:jar:8.1.14.v20131031:compile > > > [INFO] | | \- > org.eclipse.jetty:jetty-http:jar:8.1.14.v20131031:compile > > > [INFO] | | \- > org.eclipse.jetty:jetty-io:jar:8.1.14.v20131031:compile > > > [INFO] | +- com.google.guava:guava:jar:16.0:compile > > > d > > > > > > On Fri, Jan 30, 2015 at 4:03 PM, Dmitriy Lyubimov <dlie...@gmail.com> > > > wrote: > > > > > >> looks like it is also requested by mahout-math, wonder what is using > it > > >> there. > > >> > > >> At very least, it needs to be synchronized to the one currently used > by > > >> spark. > > >> > > >> [INFO] --- maven-dependency-plugin:2.8:tree (default-cli) @ > mahout-hadoop > > >> --- > > >> [INFO] org.apache.mahout:mahout-hadoop:jar:1.0-SNAPSHOT > > >> *[INFO] +- org.apache.mahout:mahout-math:jar:1.0-SNAPSHOT:compile* > > >> [INFO] | +- org.apache.commons:commons-math3:jar:3.2:compile > > >> *[INFO] | +- com.google.guava:guava:jar:16.0:compile* > > >> [INFO] | \- com.tdunning:t-digest:jar:2.0.2:compile > > >> [INFO] +- > org.apache.mahout:mahout-math:test-jar:tests:1.0-SNAPSHOT:test > > >> [INFO] +- org.apache.hadoop:hadoop-client:jar:2.2.0:compile > > >> [INFO] | +- org.apache.hadoop:hadoop-common:jar:2.2.0:compile > > >> > > >> > > >> On Fri, Jan 30, 2015 at 7:52 AM, Pat Ferrel <p...@occamsmachete.com> > > > wrote: > > >> > > >>> Looks like Guava is in Spark. > > >>> > > >>> On Jan 29, 2015, at 4:03 PM, Pat Ferrel <p...@occamsmachete.com> > wrote: > > >>> > > >>> IndexedDataset uses Guava. Can’t tell from sure but it sounds like > this > > >>> would not be included since I think it was taken from the mrlegacy > jar. > > >>> > > >>> On Jan 25, 2015, at 10:52 AM, Dmitriy Lyubimov <dlie...@gmail.com> > > > wrote: > > >>> > > >>> ---------- Forwarded message ---------- > > >>> From: "Pat Ferrel" <p...@occamsmachete.com> > > >>> Date: Jan 25, 2015 9:39 AM > > >>> Subject: Re: Codebase refactoring proposal > > >>> To: <dev@mahout.apache.org> > > >>> Cc: > > >>> > > >>>> When you get a chance a PR would be good. > > >>> > > >>> Yes, it would. And not just for that. > > >>> > > >>>> As I understand it you are putting some class jars somewhere in the > > >>> classpath. Where? How? > > >>>> > > >>> > > >>> /bin/mahout > > >>> > > >>> (Computes 2 different classpaths. See 'bin/mahout classpath' vs. > > >>> 'bin/mahout -spark'.) > > >>> > > >>> If i interpret current shell code there correctky, legacy path tries > to > > >>> use > > >>> examples assemblies if not packaged, or /lib if packaged. True > > > motivation > > >>> of that significantly predates 2010 and i suspect only Benson knows > > > whole > > >>> true intent there. > > >>> > > >>> The spark path, which is really a quick hack of the script, tries to > get > > >>> only selected mahout jars and locally instlalled spark classpath > which i > > >>> guess is just the shaded spark jar in recent spark releases. It also > > >>> apparently tries to include /libs/*, which is never compiled in > > > unpackaged > > >>> version, and now i think it is a bug it is included because /libs/* > is > > >>> apparently legacy packaging, and shouldnt be used in spark jobs > with a > > >>> wildcard. I cant beleive how lazy i am, i still did not find time to > > >>> understand mahout build in all cases. > > >>> > > >>> I am not even sure if packaged mahout will work with spark, honestly, > > >>> because of the /lib. Never tried that, since i mostly use application > > >>> embedding techniques. > > >>> > > >>> The same solution may apply to adding external dependencies and > removing > > >>> the assembly in the Spark module. Which would leave only one major > build > > >>> issue afaik. > > >>>> > > >>>> On Jan 24, 2015, at 11:53 PM, Dmitriy Lyubimov <dlie...@gmail.com> > > >>> wrote: > > >>>> > > >>>> No, no PR. Only experiment on private. But i believe i sufficiently > > >>> defined > > >>>> what i want to do in order to gauge if we may want to advance it > some > > >>> time > > >>>> later. Goal is much lighter dependency for spark code. Eliminate > > >>> everything > > >>>> that is not compile-time dependent. (and a lot of it is thru legacy > MR > > >>> code > > >>>> which we of course don't use). > > >>>> > > >>>> Cant say i understand the remaining issues you are talking about > > > though. > > >>>> > > >>>> If you are talking about compiling lib or shaded assembly, no, this > > >>> doesn't > > >>>> do anything about it. Although point is, as it stands, the algebra > and > > >>>> shell don't have any external dependencies but spark and these 4 > (5?) > > >>>> mahout jars so they technically don't even need an assembly (as > > >>>> demonstrated). > > >>>> > > >>>> As i said, it seems driver code is the only one that may need some > > >>> external > > >>>> dependencies, but that's a different scenario from those i am > talking > > >>>> about. But i am relatively happy with having the first two working > > >>> nicely > > >>>> at this point. > > >>>> > > >>>> On Sat, Jan 24, 2015 at 9:06 AM, Pat Ferrel <p...@occamsmachete.com> > > >>> wrote: > > >>>> > > >>>>> +1 > > >>>>> > > >>>>> Is there a PR? You mention a "tiny mahout-hadoop” module. It would > be > > >>> nice > > >>>>> to see how you’ve structured that in case we can use the same > model to > > >>>>> solve the two remaining refactoring issues. > > >>>>> 1) external dependencies in the spark module > > >>>>> 2) no spark or h2o in the release artifacts. > > >>>>> > > >>>>> On Jan 23, 2015, at 6:45 PM, Shannon Quinn <squ...@gatech.edu> > wrote: > > >>>>> > > >>>>> Also +1 > > >>>>> > > >>>>> iPhone'd > > >>>>> > > >>>>>> On Jan 23, 2015, at 18:38, Andrew Palumbo <ap....@outlook.com> > > > wrote: > > >>>>>> > > >>>>>> +1 > > >>>>>> > > >>>>>> > > >>>>>> Sent from my Verizon Wireless 4G LTE smartphone > > >>>>>> > > >>>>>> <div>-------- Original message --------</div><div>From: Dmitriy > > >>> Lyubimov > > >>>>> <dlie...@gmail.com> </div><div>Date:01/23/2015 6:06 PM > (GMT-05:00) > > >>>>> </div><div>To: dev@mahout.apache.org </div><div>Subject: Codebase > > >>>>> refactoring proposal </div><div> > > >>>>>> </div> > > >>>>>> So right now mahout-spark depends on mr-legacy. > > >>>>>> I did quick refactoring and it turns out it only _irrevocably_ > > > depends > > >>> on > > >>>>>> the following classes there: > > >>>>>> > > >>>>>> MatrixWritable, VectorWritable, Varint/Varlong and VarintWritable, > > > and > > >>>>> ... > > >>>>>> *sigh* o.a.m.common.Pair > > >>>>>> > > >>>>>> So I just dropped those five classes into new a new tiny > > >>> mahout-hadoop > > >>>>>> module (to signify stuff that is directly relevant to serializing > > >>> thigns > > >>>>> to > > >>>>>> DFS API) and completely removed mrlegacy and its transients from > > > spark > > >>>>> and > > >>>>>> spark-shell dependencies. > > >>>>>> > > >>>>>> So non-cli applications (shell scripts and embedded api use) > actually > > >>>>> only > > >>>>>> need spark dependencies (which come from SPARK_HOME classpath, of > > >>> course) > > >>>>>> and mahout jars (mahout-spark, mahout-math(-scala), mahout-hadoop > and > > >>>>>> optionally mahout-spark-shell (for running shell)). > > >>>>>> > > >>>>>> This of course still doesn't address driver problems that want to > > >>> throw > > >>>>>> more stuff into front-end classpath (such as cli parser) but at > least > > >>> it > > >>>>>> renders transitive luggage of mr-legacy (and the size of > > >>> worker-shipped > > >>>>>> jars) much more tolerable. > > >>>>>> > > >>>>>> How does that sound? > > >>>>> > > >>>>> > > >>>> > > >>> > > >>> > > >>> > > >> > > > > > > > > >
