Hi John,

Thank you for the Clarification. If the current implementation has no
issues with build in those environments, I think there is *no* need to
invest time in other approaches Eg:- Docker. Simply just do build test
whether tests pass for those operating systems.

Regards
Kevin

On Wed, Aug 7, 2019 at 3:09 AM John Mora <jhnmora...@gmail.com> wrote:

> Hi Kevin.
>
> KuduTestHarness, theoretically should detect environment through this
> plugin "os-maven-plugin" and download the corresponding kudu binaries [1],
> and it have worked fine for me.
>
> Nonetheless, docker is a good idea. I will give a look to testcontainers
> and docker.
>
> [1]
> https://kudu.apache.org/docs/developing.html#_jvm_based_integration_testing
>
> Regards,
> John
>
> El lun., 5 ago. 2019 a las 23:58, Kevin Ratnasekera (<
> djkevincr1...@gmail.com>) escribió:
>
> > Hi John,
> >
> > Can't we spin up Kudu docker [1] instance for testing purposes? We have
> > used Test containers [2] some data stores like couch DB. Gora build
> should
> > work in both Linux and Non Linux environments. Eg:-  Windows. Is
> classifier
> > [3] depend on the environment the build is running?
> >
> > Kudu is based on C/ C++, so to spin up a server instance, we need check a
> > approach like docker, using such approach allow us to avoid these OS,
> > dependency related stuff come in to play in builds.
> >
> > [1] https://hub.docker.com/r/usuresearch/apache-kudu/
> > [2] https://www.testcontainers.org/
> > [3] <classifier>linux-x86_64</classifier>
> >
> > Regards
> > Kevin
> >
> > On Tue, Aug 6, 2019 at 9:56 AM John Mora <jhnmora...@gmail.com> wrote:
> >
> > > Hi Alfonso,
> > >
> > > Unfortunately, I have not been able to reproduce the issue. Maybe it is
> > > related with my Java version (Oracle), I will try with OpenJDK.
> > > Some details about my development environment:
> > >
> > > os.detected.name: linux
> > > os.detected.arch: x86_64
> > > os.detected.version: 4.10
> > > os.detected.version.major: 4
> > > os.detected.version.minor: 10
> > > os.detected.release: linuxmint
> > > os.detected.release.version: 18.3
> > > os.detected.release.like.linuxmint: true
> > > os.detected.release.like.ubuntu: true
> > > os.detected.classifier: linux-x86_64
> > >
> > > Java
> > > java version "1.8.0_171"
> > > Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
> > > Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)
> > >
> > > Maven
> > > Apache Maven 3.3.9
> > > Maven home: /usr/share/maven
> > > Java version: 1.8.0_171, vendor: Oracle Corporation
> > > Java home: /usr/lib/jvm/java-8-oracle/jre
> > > Default locale: en_US, platform encoding: UTF-8
> > > OS name: "linux", version: "4.10.0-38-generic", arch: "amd64", family:
> > > "unix"
> > >
> > >
> > > Best,
> > > John.
> > >
> > > El lun., 5 ago. 2019 a las 16:48, Alfonso Nishikawa (<
> > > alfonso.nishik...@gmail.com>) escribió:
> > >
> > >> Hi,
> > >>
> > >> I am using now the following pom configuration I got from executing
> `mvn
> > >> dependency:tree`:
> > >>
> > >>     <dependency>
> > >>       <groupId>org.apache.kudu</groupId>
> > >>       <artifactId>kudu-binary</artifactId>
> > >>       <classifier>linux-x86_64</classifier>
> > >>       <version>1.9.0</version>
> > >>       <scope>test</scope>
> > >>     </dependency>
> > >>
> > >> When I execute `mvn clen package` on gora-kudu I find that it spawns
> the
> > >> following command:
> > >>
> > >> kudu-master
> > >> --fs_wal_dir=/tmp/mini-kudu-cluster8989984398759938222/master-0/wal
> > >> --fs_data_dirs=/tmp/mini-kudu-cluster8989984398759938222/master-0/data
> > >> --block_manager=log --webserver_interface=localhost
> > --ipki_ca_key_size=1024
> > >> --tsk_num_rsa_bits=512 --rpc_bind_addresses=*127.26.116.190*:39535
> > >> --webserver_interface=*127.26.116.190* --webserver_port=0
> --never_fsync
> > >> --ipki_server_key_size=1024 --enable_minidumps=false --redact=none
> > >> --metrics_log_interval_ms=1000 --logtostderr --logbuflevel=-1
> > >> --log_dir=/tmp/mini-kudu-cluster8989984398759938222/master-0/logs
> > >>
> >
> --server_dump_info_path=/tmp/mini-kudu-cluster8989984398759938222/master-0/data/info.pb
> > >> --server_dump_info_format=pb --rpc_server_allow_ephemeral_ports
> > >> --unlock_experimental_flags --unlock_unsafe_flags --rpc_reuseport=true
> > >> --master_addresses=*127.26.116.190*:39535,*127.26.116.189*:33913,
> > >> *127.26.116.188*:42253
> > >>
> > >>
> > >> I highlight the IP addresses because they clearly are not my computer,
> > >> and I guess that is why the tests can't connect to the the database.
> > >>
> > >> Any idea on how to solve this?
> > >>
> > >> Thank you!
> > >>
> > >>
> > >> Best Regards,
> > >>
> > >> Alfonso Nishikawa
> > >>
> > >>
> > >>
> > >> El lun., 5 ago. 2019 a las 8:39, Alfonso Nishikawa (<
> > >> alfonso.nishik...@gmail.com>) escribió:
> > >>
> > >>> Hi, John.
> > >>>
> > >>> I get a core dump from the binary kudu server when trying to run the
> > >>> tests. Didn't find a log file, but will search thoroughly later.
> > Happened
> > >>> anytime to you? Does it happens to anyone?
> > >>>
> > >>> I am using Ubuntu 18.04
> > >>>
> > >>> Thank you!
> > >>>
> > >>> Regards,
> > >>>
> > >>> Alfonso Nishikawa
> > >>>
> > >>> El dom., 4 ago. 2019 20:10, Furkan KAMACI <furkankam...@gmail.com>
> > >>> escribió:
> > >>>
> > >>>> Hi John,
> > >>>>
> > >>>> I've already made my comments at your PR. Please check them
> carefully
> > >>>> and ask me if you need help.
> > >>>>
> > >>>> For the documentation, I've checked what you've done. On the other
> > >>>> hand, I would want to encourage you to write a blog post about your
> > Kudu
> > >>>> implementation and demonstrate an example of Kudu integration with
> > Gora as
> > >>>> like a tutorial.
> > >>>>
> > >>>> Kind Regards,
> > >>>> Furkan KAMACI
> > >>>>
> > >>>> On Sun, Aug 4, 2019 at 1:59 AM John Mora <jhnmora...@gmail.com>
> > wrote:
> > >>>>
> > >>>>> Hi all.
> > >>>>>
> > >>>>> I have updated my report in the Wiki[1].
> > >>>>>
> > >>>>> Also, I have sent a PR with my last commits for review [2]. Please
> > >>>>> give it a look if you have time.
> > >>>>>
> > >>>>> This week, I will continue working on the documentation of the kudu
> > >>>>> datastore.
> > >>>>>
> > >>>>> Please let me know if you have suggestions.
> > >>>>>
> > >>>>> [1]
> > >>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>> [2] https://github.com/apache/gora/pull/178
> > >>>>>
> > >>>>> Best,
> > >>>>> John.
> > >>>>>
> > >>>>> El mié., 31 jul. 2019 a las 11:17, carlos muñoz (<
> > carlosr...@gmail.com>)
> > >>>>> escribió:
> > >>>>>
> > >>>>>> Hi John,
> > >>>>>>
> > >>>>>> Thanks for the update. I reviewed your code a little bit, it is
> > >>>>>> looking good. I think tha you should send a PR in order to receive
> > feedback
> > >>>>>> from other community members.
> > >>>>>>
> > >>>>>> Best,
> > >>>>>> Carlos
> > >>>>>>
> > >>>>>> El dom., 28 jul. 2019 a las 23:20, John Mora (<
> jhnmora...@gmail.com
> > >)
> > >>>>>> escribió:
> > >>>>>>
> > >>>>>>> Hi all.
> > >>>>>>>
> > >>>>>>> I updated my report in the Wiki[1]. Also, I pushed my last
> commits
> > >>>>>>> to my branch [2]. Please give it a look if you have time.
> > >>>>>>>
> > >>>>>>> This week, I will give a look to the documentation of datastores.
> > >>>>>>>
> > >>>>>>> Please let me know if you have suggestions.
> > >>>>>>>
> > >>>>>>> [1]
> > >>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>> [2] https://github.com/jhnmora000/gora/tree/GORA-485
> > >>>>>>>
> > >>>>>>> Cheers,
> > >>>>>>> John
> > >>>>>>>
> > >>>>>>> El mié., 24 jul. 2019 a las 11:34, John Mora (<
> > jhnmora...@gmail.com>)
> > >>>>>>> escribió:
> > >>>>>>>
> > >>>>>>>> Hi Alfonso,
> > >>>>>>>>
> > >>>>>>>> Yes, I was using this class javafx.util.Pair. It is not a
> problem
> > I
> > >>>>>>>> will find an alternative, it is only an utilitary class.
> > >>>>>>>>
> > >>>>>>>> Thanks,
> > >>>>>>>> John
> > >>>>>>>>
> > >>>>>>>> El mar., 23 jul. 2019 a las 12:36, Alfonso Nishikawa (<
> > >>>>>>>> alfonso.nishik...@gmail.com>) escribió:
> > >>>>>>>>
> > >>>>>>>>> Hi, John.
> > >>>>>>>>>
> > >>>>>>>>> I checked out your code and it looks good :)
> > >>>>>>>>> I found that you use javafx, but that is not present in OpenJDK
> > >>>>>>>>> and fails to compile, and since we don't stick to Oracle JVM I
> > would
> > >>>>>>>>> suggest to change it.
> > >>>>>>>>>
> > >>>>>>>>> Good job, keep it going :)
> > >>>>>>>>>
> > >>>>>>>>> Regards,
> > >>>>>>>>>
> > >>>>>>>>> Alfonso Nishikawa
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>>
> > >>>>>>>>> El sáb., 20 jul. 2019 a las 22:25, John Mora (<
> > >>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>
> > >>>>>>>>>> Hi.
> > >>>>>>>>>>
> > >>>>>>>>>> I updated my report in the Wiki[1]. Also, I pushed my last
> > >>>>>>>>>> commits to my branch [2]. Please give it a look if you have
> > time.
> > >>>>>>>>>>
> > >>>>>>>>>> This week, I will give a look to the map reduce tests for
> > >>>>>>>>>> DataStores.
> > >>>>>>>>>>
> > >>>>>>>>>> Please let me know if you have suggestions.
> > >>>>>>>>>>
> > >>>>>>>>>> [1]
> > >>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>> [2] https://github.com/jhnmora000/gora/tree/GORA-485
> > >>>>>>>>>>
> > >>>>>>>>>> Thanks,
> > >>>>>>>>>> John
> > >>>>>>>>>>
> > >>>>>>>>>> El sáb., 13 jul. 2019 a las 19:31, John Mora (<
> > >>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>
> > >>>>>>>>>>> Hi all
> > >>>>>>>>>>>
> > >>>>>>>>>>> I updated my report in the Wiki[1]. Also, I pushed my last
> > >>>>>>>>>>> commits to my branch [2]. Please give it a look if you have
> > time.
> > >>>>>>>>>>>
> > >>>>>>>>>>> This week, I will be working in the getPartitions and
> > >>>>>>>>>>> deleteByQuery methods and testing the other tests in the
> > DataStoreTestBase
> > >>>>>>>>>>> class.
> > >>>>>>>>>>>
> > >>>>>>>>>>> Please let me know if you have suggestions.
> > >>>>>>>>>>>
> > >>>>>>>>>>> [1]
> > >>>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>>> [2] https://github.com/jhnmora000/gora/tree/GORA-485
> > >>>>>>>>>>>
> > >>>>>>>>>>> Best,
> > >>>>>>>>>>> John.
> > >>>>>>>>>>>
> > >>>>>>>>>>> El mié., 10 jul. 2019 a las 16:17, John Mora (<
> > >>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>
> > >>>>>>>>>>>> Hi Alfonso,
> > >>>>>>>>>>>>
> > >>>>>>>>>>>> Thanks so much for your time and support for this project. I
> > >>>>>>>>>>>> will work on your comments. Responses inline :)
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>> El mar., 9 jul. 2019 a las 16:38, Alfonso Nishikawa (<
> > >>>>>>>>>>>> alfonso.nishik...@gmail.com>) escribió:
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>> Hi, John.
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> Sorry for the delay, I am changing work and I have been
> very
> > >>>>>>>>>>>>> busy :( I will try to answer your questions :)
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> *> In the Employee example there is a field called
> > >>>>>>>>>>>>> 'dateOfBirth'. I tried to map that field with the
> > UNIXTIME_MICROS datatype
> > >>>>>>>>>>>>> of Kudu (I intuitively assumed this is a date.). However,
> in
> > the java world
> > >>>>>>>>>>>>> the Employee field is a Long value and the kudu datatype is
> > a Timestamp.
> > >>>>>>>>>>>>> So, I was wondering whether I should force the usage of the
> > UNIXTIME_MICROS
> > >>>>>>>>>>>>> datatype for this field or just use a LONG datatype in
> Kudu.*
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> In Avro 1.8 were introduced "Logical Types" so there is a
> > >>>>>>>>>>>>> "date" type with an underlying "int" [1]. It's the first
> > time I read about
> > >>>>>>>>>>>>> because until the last version upgrade of Avro this weren't
> > there. I would
> > >>>>>>>>>>>>> suggest to ignore "dates" and map dateOfBirth as long,
> since
> > in any case
> > >>>>>>>>>>>>> -in avro- the value is the unix epoch. After this first
> > approach, a design
> > >>>>>>>>>>>>> improvement would be great, though :)
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> - Would be good to have in the mapping a "timestamp" type
> so
> > >>>>>>>>>>>>> KuduStore converts between the Entity long field <-> Kudu
> > timestamp storage?
> > >>>>>>>>>>>>> - Is there any other approach?
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>> I think that Entity long field <-> Kudu timestamp conversion
> > >>>>>>>>>>>> that the best alternative right now. Because, I would add
> > more compatible
> > >>>>>>>>>>>> datatypes to the mapping parameters which users can use. And
> > this
> > >>>>>>>>>>>> conversion should not be dificult to implement in my
> opinion.
> > Also, the new
> > >>>>>>>>>>>> Date datatype of avro could be implemented in newer versions
> > because it
> > >>>>>>>>>>>> would need further analysis in other datastores too. I will
> > work on that.
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> *> What is the Gora's policy regarding flush()? *
> > >>>>>>>>>>>>> *> KuduClient has multiple flushing modes
> > >>>>>>>>>>>>> <
> >
> https://kudu.apache.org/apidocs/org/apache/kudu/client/SessionConfiguration.FlushMode.html
> > >and
> > >>>>>>>>>>>>> also can set time interval
> > >>>>>>>>>>>>> <
> >
> https://kudu.apache.org/releases/1.2.0/apidocs/org/apache/kudu/client/KuduSession.html#setFlushInterval-int-
> > >
> > >>>>>>>>>>>>> for automatic flush.*
> > >>>>>>>>>>>>> *> Should theses behaviors be configurable using
> > >>>>>>>>>>>>> gora.properties file? or just use the default
> > configurations.*
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> What we do in HBase is configure an autoflush option in
> > >>>>>>>>>>>>> gora.properties [2] which is used when instanced the Table,
> > but at the same
> > >>>>>>>>>>>>> time we implement the flush() method to force the flush
> [3].
> > I would
> > >>>>>>>>>>>>> suggest to follow that example, but adding the flushing
> > options of Kudu.
> > >>>>>>>>>>>>> What flushing mode (and time interval if it applies) do you
> > suggest?
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>> Well,  IMHO the default flush mode (auto flush sync) will do
> > >>>>>>>>>>>> the job for most use cases. But I will add a configuration
> in
> > >>>>>>>>>>>> gora.properties for selecting the other modes and specifying
> > a autoflush
> > >>>>>>>>>>>> time  if needed  by the user.
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> *> Also, while reviewing the datastore interface I noticed
> > >>>>>>>>>>>>> this method 'getPartitions(Query<K, T> query)'. What is the
> > expected
> > >>>>>>>>>>>>> behavior of this method?, should I use the partition
> > definition in the xml
> > >>>>>>>>>>>>> mapping file for this?.*
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> The method getPartitions(Query) is related to Hadoop.
> Apache
> > >>>>>>>>>>>>> Gora integrates with Hadoop implementing a custom Map and
> > Reduce that
> > >>>>>>>>>>>>> allows to get/write Entities directly.
> > >>>>>>>>>>>>> You can take a look at HBase's implementation [4], which
> > >>>>>>>>>>>>> relies o.a.h.hbase.mapreduce.TableInputFormatBase [5] to
> > >>>>>>>>>>>>> compute the splits (start key---end key) with the location
> > of the split to
> > >>>>>>>>>>>>> create a colection of partitions [6].
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> So, if Kudu is allowed to perform computation using local
> > kudu
> > >>>>>>>>>>>>> splits, then this method does the needed preparation to
> > allow to "send the
> > >>>>>>>>>>>>> computation to where the data is locally".
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> In any case, you can see that:
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>    - MongoDB store implementation does not implement
> > >>>>>>>>>>>>>    splitting [7]
> > >>>>>>>>>>>>>    - Cassandra store implementation does not implement
> > >>>>>>>>>>>>>    splitting [8]
> > >>>>>>>>>>>>>    - Aerospike store implementation does not implement
> > >>>>>>>>>>>>>    splitting [9]
> > >>>>>>>>>>>>>    - Accumulo store implementation* does* implement
> splitting
> > >>>>>>>>>>>>>    [10]
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> If Kudu has a method to get the different splits for a
> table
> > >>>>>>>>>>>>> and its locations, then you will be able to implement the
> > full feature.
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> This is Hadoop related and it is not trivial. I haven't
> > >>>>>>>>>>>>> elaborated much, so if you find you need more information
> > let me know :)
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>> I will check whether Kudu has these features in order to
> > >>>>>>>>>>>> implement this method. If not I will use the default
> > implementation found
> > >>>>>>>>>>>> in other backends.
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>> About Queries, what I can tell is that Hbase only
> implements
> > >>>>>>>>>>>>> "Start key" + "End key" because it has only 2 operations:
> > "get" and "scan",
> > >>>>>>>>>>>>> and the querying is for "scan" operation, were you want an
> > interval (or
> > >>>>>>>>>>>>> all) of the rows. Does Kudu have more querying
> functionality?
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>> Yes, Kudu implements a Scanner for querying data among with
> > >>>>>>>>>>>> conditional predicates for filtering. I am using those
> > classes.
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>> About other topic, I am trying to install Kudu in
> standalone
> > >>>>>>>>>>>>> (all in 1 node). Do you use a Cloudera installation or do
> > you have a
> > >>>>>>>>>>>>> standalone installation? How do you do it? I found some
> > instructions, but
> > >>>>>>>>>>>>> they talk about compiling Kudu [11]. I was looking for
> > something like
> > >>>>>>>>>>>>> HBase, that it is unzip + execute "hbase start".
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>> I am using an embedded mini-cluster which comes with
> compiled
> > >>>>>>>>>>>> binaries and can be used with maven[1] for testing my code.
> > Once I get it
> > >>>>>>>>>>>> mature enough I think I will be testing the datastore with a
> > docker
> > >>>>>>>>>>>> container [2]. I could not find a unzip+execute bundle
> either
> > and I am
> > >>>>>>>>>>>> kinda noob for compiling it myself.
> > >>>>>>>>>>>>
> > >>>>>>>>>>>> [1]
> > >>>>>>>>>>>>
> >
> https://kudu.apache.org/docs/developing.html#_jvm_based_integration_testing
> > >>>>>>>>>>>> [2] https://hub.docker.com/r/usuresearch/apache-kudu/
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>
> > >>>>>>>>>>>>> Good job and thank you!! :)
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> Regards,
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> Alfonso Nishikawa
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> [1] -
> > >>>>>>>>>>>>> https://avro.apache.org/docs/1.8.0/spec.html#Logical+Types
> > >>>>>>>>>>>>> [2] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L175
> > >>>>>>>>>>>>> [3] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L458
> > >>>>>>>>>>>>> [4] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L472
> > >>>>>>>>>>>>> [5] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L479
> > >>>>>>>>>>>>> [6] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L517
> > >>>>>>>>>>>>> [7] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-mongodb/src/main/java/org/apache/gora/mongodb/store/MongoStore.java#L533
> > >>>>>>>>>>>>> [8] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-cassandra/src/main/java/org/apache/gora/cassandra/store/CassandraStore.java#L292
> > >>>>>>>>>>>>> [9] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-aerospike/src/main/java/org/apache/gora/aerospike/store/AerospikeStore.java#L369
> > >>>>>>>>>>>>> [10] -
> > >>>>>>>>>>>>>
> >
> https://github.com/apache/gora/blob/apache-gora-0.9/gora-accumulo/src/main/java/org/apache/gora/accumulo/store/AccumuloStore.java#L902
> > >>>>>>>>>>>>> [11] - https://kudu.apache.org/docs/installation.html
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>> El lun., 8 jul. 2019 a las 3:42, John Mora (<
> > >>>>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>>>
> > >>>>>>>>>>>>>> Hi all.
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> As every week I updated my report in the Wiki[1]. Also, I
> > >>>>>>>>>>>>>> pushed my last commits to my branch [2]. Please give it a
> > look if you have
> > >>>>>>>>>>>>>> time.
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> This week, I will be continue working in the Queries
> > >>>>>>>>>>>>>> implementation, please reach me out if you have any
> > suggestions.
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> Also, while reviewing the datastore interface I noticed
> this
> > >>>>>>>>>>>>>> method 'getPartitions(Query<K, T> query)'. What is the
> > expected behavior of
> > >>>>>>>>>>>>>> this method?, should I use the partition definition in the
> > xml mapping file
> > >>>>>>>>>>>>>> for this?.
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> Cheers,
> > >>>>>>>>>>>>>> John.
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> [1]
> > >>>>>>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>>>>>> [2] https://github.com/jhnmora000/gora/tree/GORA-485
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>> El dom., 30 jun. 2019 a las 16:56, John Mora (<
> > >>>>>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> Hi all.
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> I received my first evaluation from the Google Summer of
> > >>>>>>>>>>>>>>> Code program with a positive result. Thanks so much for
> > your support and
> > >>>>>>>>>>>>>>> confidence to the project and me.
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> I updated my report of this week in the Wiki[1]. Also, I
> > >>>>>>>>>>>>>>> pushed my last commits to my branch [2].
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> This week, I will be reviewing my the serialization/
> > >>>>>>>>>>>>>>> deserialization process in order to identify
> optimizations
> > specific for
> > >>>>>>>>>>>>>>> Kudu. Because I used a generic methods of other backends
> > which probably
> > >>>>>>>>>>>>>>> could be better tuned for kudu. Also, I will start
> working
> > on the Queries
> > >>>>>>>>>>>>>>> implementation.
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> BTW, I added a question to the wiki about Date types.
> > Please
> > >>>>>>>>>>>>>>> give it a look if you have time.
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> [1]
> > >>>>>>>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>>>>>>> [2] https://github.com/jhnmora000/gora/tree/GORA-485
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> Cheers,
> > >>>>>>>>>>>>>>> John
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>> El jue., 27 jun. 2019 a las 21:02, John Mora (<
> > >>>>>>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>> Hi Carlos.
> > >>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>> Thanks for the reminder. I submitted the form yesterday.
> > :D
> > >>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>> Best,
> > >>>>>>>>>>>>>>>> John.
> > >>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>> El jue., 27 jun. 2019 a las 17:34, carlos muñoz (<
> > >>>>>>>>>>>>>>>> carlosr...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>> Hi John
> > >>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>> The first Google Summer of Code evaluation is due on
> June
> > >>>>>>>>>>>>>>>>> 28th. Please make sure you submit your Mentors'
> > evaluation on time.
> > >>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>> Regards,
> > >>>>>>>>>>>>>>>>> Carlos
> > >>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>> El dom., 23 jun. 2019 a las 18:29, John Mora (<
> > >>>>>>>>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> Hi all.
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> FYI, I updated my report of this week on the Wiki[1].
> > >>>>>>>>>>>>>>>>>> Also, I pushed my last commits to my branch [2].
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> As I mentioned in the reports I would like to know how
> > >>>>>>>>>>>>>>>>>> datastores deal with flush(), should it work always
> > manually executed?.
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> Finally, This week I will be implementing object
> > >>>>>>>>>>>>>>>>>> serialization/deserialization in the methods put, get,
> > delete, exists. Do
> > >>>>>>>>>>>>>>>>>> you have any suggestions on how to proceed with this
> > task?.
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> Footnote: Thanks for the feedback Carlos, I fixed the
> > >>>>>>>>>>>>>>>>>> problem.
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> [1]
> > >>>>>>>>>>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>>>>>>>>>> [2] https://github.com/jhnmora000/gora/tree/GORA-485
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> Cheers,
> > >>>>>>>>>>>>>>>>>> John
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>> El lun., 17 jun. 2019 a las 22:58, carlos muñoz (<
> > >>>>>>>>>>>>>>>>>> carlosr...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>> Hi John
> > >>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>> Your last changes look good to me. Keep it up. But, I
> > >>>>>>>>>>>>>>>>>>> noticed that you have created an Enumeration for
> > datatypes, which is very
> > >>>>>>>>>>>>>>>>>>> similar to the kudu-client's [2]. Probably you should
> > replace [1] for [2]
> > >>>>>>>>>>>>>>>>>>> in order to avoid code duplication.
> > >>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>> [1]
> > >>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/src/main/java/org/apache/gora/kudu/mapping/Column.java#L76
> > >>>>>>>>>>>>>>>>>>> [2]
> > >>>>>>>>>>>>>>>>>>>
> > https://kudu.apache.org/apidocs/org/apache/kudu/Type.html
> > >>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>> Best,
> > >>>>>>>>>>>>>>>>>>> Carlos
> > >>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>> El sáb., 15 jun. 2019 a las 12:01, John Mora (<
> > >>>>>>>>>>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>> Hi all.
> > >>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>> I updated my report of this week on the Wiki[1]. I
> > >>>>>>>>>>>>>>>>>>>> noticed that my code is lacking some javadoc
> > documentation I think I will
> > >>>>>>>>>>>>>>>>>>>> be working on that this week, also I would like to
> > enable and check schema
> > >>>>>>>>>>>>>>>>>>>> management tests (createSchema, existsSchema, etc.).
> > >>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>> [1]
> > >>>>>>>>>>>>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>> Cheers,
> > >>>>>>>>>>>>>>>>>>>> John.
> > >>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>> El mar., 11 jun. 2019 a las 0:11, John Mora (<
> > >>>>>>>>>>>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>> Hi Alfonso.
> > >>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>> Thanks so much for your feedback. I am working on
> > your
> > >>>>>>>>>>>>>>>>>>>>> comments.
> > >>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>> Best,
> > >>>>>>>>>>>>>>>>>>>>> John
> > >>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>> El lun., 10 jun. 2019 a las 16:11, Alfonso
> Nishikawa
> > (<
> > >>>>>>>>>>>>>>>>>>>>> alfonso.nishik...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> Hi, John.
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> Regarding your questions at the report [1]:
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>    - How to represent partitioning configurations
> on
> > >>>>>>>>>>>>>>>>>>>>>>    the mapping file.
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> This was discussed in other emails, isn't it? :)
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>    - KuduTestHarness requires the Maven plugin
> > >>>>>>>>>>>>>>>>>>>>>>    os-maven-plugin, which needs Maven 3.1.1+, is
> it
> > a problem for Apache Gora?
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> I believe it is not a problem. My Ubuntu comes
> with
> > >>>>>>>>>>>>>>>>>>>>>> 3.6.0, far from 3.1.1, and I assume everyone uses
> > Maven 3 in a quite new
> > >>>>>>>>>>>>>>>>>>>>>> version :)
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> [1] -
> > >>>>>>>>>>>>>>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> Regards,
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> Alfonso Nishikawa
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>> El lun., 10 jun. 2019 a las 21:07, Alfonso
> Nishikawa
> > >>>>>>>>>>>>>>>>>>>>>> (<alfonso.nishik...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> Hi, John.
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> Thank you!
> > >>>>>>>>>>>>>>>>>>>>>>> Things I have seen:
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> - The version of a maven dependency [1] should go
> > on
> > >>>>>>>>>>>>>>>>>>>>>>> the Dependency Management of the root pom [2].
> > Same for [3] and from there,
> > >>>>>>>>>>>>>>>>>>>>>>> should not set the version there.
> > >>>>>>>>>>>>>>>>>>>>>>> - Set test dependencies' scope to test, at [4]
> and
> > >>>>>>>>>>>>>>>>>>>>>>> from there.
> > >>>>>>>>>>>>>>>>>>>>>>> - Set the indentation to 2 spaces for the pom [5]
> > >>>>>>>>>>>>>>>>>>>>>>> - Missing "t" in "localhost" at [6].
> > >>>>>>>>>>>>>>>>>>>>>>> - Port 13 for Kudu? That is "Daytime Protocol"
> RFC
> > >>>>>>>>>>>>>>>>>>>>>>> 867 and you will need root permission to run it.
> > The default port for kudu
> > >>>>>>>>>>>>>>>>>>>>>>> is 7051, isn't it?
> > >>>>>>>>>>>>>>>>>>>>>>> - I would ask you to add the same functionality
> to
> > >>>>>>>>>>>>>>>>>>>>>>> load the mapping from configuration as in HBase's
> > store [7] in you
> > >>>>>>>>>>>>>>>>>>>>>>> KuduStore [8]. This will have implications on
> your
> > readMapping at [9], so
> > >>>>>>>>>>>>>>>>>>>>>>> take a look at the one for HBase at [10]
> > >>>>>>>>>>>>>>>>>>>>>>> - I know it is in other backends, but avoid
> > >>>>>>>>>>>>>>>>>>>>>>> RuntimeExceptions (at least in Java since we have
> > the checked ones) like in
> > >>>>>>>>>>>>>>>>>>>>>>> [11]. You can wrap them in GoraException. An
> > example is [12]
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> And nothing more :)
> > >>>>>>>>>>>>>>>>>>>>>>> Keep going, good job.
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> [1] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> > https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/pom.xml#L98
> > >>>>>>>>>>>>>>>>>>>>>>> [2] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> > https://github.com/jhnmora000/gora/blob/GORA-485/pom.xml#L890
> > >>>>>>>>>>>>>>>>>>>>>>> [3] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> > https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/pom.xml#L121
> > >>>>>>>>>>>>>>>>>>>>>>> [4] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> > https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/pom.xml#L180
> > >>>>>>>>>>>>>>>>>>>>>>> [5] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> > https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/pom.xml
> > >>>>>>>>>>>>>>>>>>>>>>> [6] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/src/test/resources/gora.properties#L18
> > >>>>>>>>>>>>>>>>>>>>>>> [7] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/master/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L92
> > >>>>>>>>>>>>>>>>>>>>>>> [8] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/src/main/java/org/apache/gora/kudu/store/KuduStore.java#L53
> > >>>>>>>>>>>>>>>>>>>>>>> [9] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/src/main/java/org/apache/gora/kudu/mapping/KuduMappingBuilder.java#L81
> > >>>>>>>>>>>>>>>>>>>>>>> [10] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/master/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L822
> > >>>>>>>>>>>>>>>>>>>>>>> [11] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/GORA-485/gora-kudu/src/main/java/org/apache/gora/kudu/mapping/KuduMappingBuilder.java#L141
> > >>>>>>>>>>>>>>>>>>>>>>> [12] -
> > >>>>>>>>>>>>>>>>>>>>>>>
> >
> https://github.com/jhnmora000/gora/blob/master/gora-hbase/src/main/java/org/apache/gora/hbase/store/HBaseStore.java#L268
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> Regards,
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> Alfonso Nishikawa
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>> El sáb., 8 jun. 2019 a las 20:26, John Mora (<
> > >>>>>>>>>>>>>>>>>>>>>>> jhnmora...@gmail.com>) escribió:
> > >>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>> Hi all.
> > >>>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>> I have just updated my weekly reports on Cwiki
> > [1].
> > >>>>>>>>>>>>>>>>>>>>>>>> This next week I think I should be focusing on
> > the create schema operation
> > >>>>>>>>>>>>>>>>>>>>>>>> and solving the issue of the partitioning
> > configurations in the mapping
> > >>>>>>>>>>>>>>>>>>>>>>>> file.
> > >>>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>> Please let me know if you have suggestions, my
> > last
> > >>>>>>>>>>>>>>>>>>>>>>>> commits are available here [2]
> > >>>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>> [1]
> > >>>>>>>>>>>>>>>>>>>>>>>>
> >
> https://cwiki.apache.org/confluence/display/GORA/GORA-485+Apache+Kudu+datastore+for+Gora+Reports
> > >>>>>>>>>>>>>>>>>>>>>>>> [2]
> > >>>>>>>>>>>>>>>>>>>>>>>>
> https://github.com/jhnmora000/gora/tree/GORA-485
> > >>>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>> Best,
> > >>>>>>>>>>>>>>>>>>>>>>>> John
> > >>>>>>>>>>>>>>>>>>>>>>>>
> > >>>>>>>>>>>>>>>>>>>>>>>>
> >
>

Reply via email to