[orientdb] Web site no longer shows ODB 3.0.0 docs or release???

[Hristo Stoyanov]

DOCS->
 -> DOCS
 -> RELEASES

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[orientdb] OrientDB 3.x JCA adapter

[Hristo Stoyanov]

Hello,
I created an OrientDB 3.x - compatible JCA adapter here 
. It is at a very early stage (I 
have only tested it in OpenLiberty server). 
Feedback/pull requests/github stars are welcome!

Cheers

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[orientdb] OpenJ9 and OrientDB ?

[Hristo Stoyanov]

Openj9 is an optimized Java 9 JVM from IBM with very good ergonomics and 
memory use, ideal for cloud deployments . Has anyone tried ODB in Openj9? 
If so, anything special about off-heap memory flags, etc?

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Re: [orientdb] Re: [Breaking News] CallidusCloud Acquires OrientDB, the Leading Multi-Model Database Technology

[Hristo Stoyanov]

Thanks Luca,
It's best to put out a blog or news announcement that clearly states that:
- All OrientDB features currently available in the Community edition will 
stay there.
- There will be no drastic price increase for those who do decide to 
upgrade to the Enterprise edition.

Please, forgive the community for asking such questions, we have been 
burned before.


On Friday, September 22, 2017 at 4:21:51 PM UTC-7, l.garulli wrote:
>
> Hi all,
>
> OrientDB is here to stay. CallidusCloud bought OrientDB as an investment 
> in the Graph and Multi-Model technology because they believe this is the 
> best technology in the DBMS world.
>
> In the last months, we've seen the closing of some of the DBMS companies 
> that weren't able to be sustainable after years (Basho, RethinkDB, etc). 
> I'm sure it has been a pain for their clients that have seen their 
> investments failing and a migration to another DBMS is a very expensive 
> thing.
>
> Until the last week, OrientDB was a small player, but profitable, in the 
> crowded DBMS market. Thanks to CallidusCloud (a public company on NASDAQ), 
> OrientDB is now the most solid company in the NoSQL space. 
>
> So this is a good news for both clients and users!
>
> OrientDB Community Enterprise *remains Open Source with the same Apache 2 
> license*. OrientDB Enterprise Edition remains commercial. *All the 
> clients continue to be supported*.
>
> I hope this responded to your concerns.
>
> Best Regards,
>
> Luca Garulli
> VP OrientDB
>
>
> On 22 September 2017 at 21:58, Tielman Van Vleck  > wrote:
>
>> True, but Oracle understands databases. Luca (we met in Austin last 
>> year): you will have to fight hard for autonomy and constantly prove the 
>> relevance of OrientDB within a company with other priorities. Remember what 
>> happened to CompuServe after H Block bought them - Block intended to keep 
>> the product alive, but really bought them for their computing hardware and 
>> wouldn't give them the capital needed to compete against AOL's marketing. 
>> Oops... don't let CC forget that story!
>>
>> -Tielman
>>
>>
>> On Friday, September 22, 2017 at 1:24:37 PM UTC-4, ad...@cs.miami.edu 
>> wrote:
>>>
>>> >>We all remember the path mysql took, after oracle acquired it.
>>>
>>> I am not a heavy mysql user, but I don't think mysql took a terrible 
>>> turn after oracle.  Mysql still seems to be aviable when I want to install 
>>> it, there is still a large communit support network, and it more less works 
>>> as expected, but perhaps those who are more invested in mysql will view the 
>>> situation different.
>>>
>>> -Adam
>>>
>>> On Friday, September 22, 2017 at 9:42:49 AM UTC-4, Manabu Tokunaga wrote:

 Interesting discussions. I have been in many situations where "I've 
 been acquired. Everything discussed here is a very legitimate customer 
 concern and hope that there will be official and confirmed answers from 
 the 
 new company.

 In terms of the community aspect of it, we know, for example, there are 
 OpenJDK vs Oracle Java and MariaDB vs mySQL type situations where they are 
 functionally compatible forks derived from the acquired base. If this is 
 possible, then as a community, we have protection.

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>
>

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[orientdb] Re: [Breaking News] CallidusCloud Acquires OrientDB, the Leading Multi-Model Database Technology

[Hristo Stoyanov]

Luca- Congratulations!

Now ti is very important to have an official announcement on the fate of 
the OrientDB Community Edition. I never heard of CallidusCloud and I am not 
sure what they want from a general purpose graph database.I am putting a 
hold on my project until I hear more definitive news.

On Tuesday, September 19, 2017 at 12:11:16 PM UTC-7, l.garulli wrote:
>
> Hi guys,
>
> I'd like to share this amazing news with the community:
>
>
> http://orientdb.com/calliduscloud-acquires-orientdb-the-leading-multi-model-database-technology/
>  
> 
>
> Best Regards,
>
> Luca Garulli
> Founder & CEO
> OrientDB LTD 
>
>

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[orientdb] Analytical/window functions for OriendDB?

[Hristo Stoyanov]

One of most powerful feature of SQL are the so called "window analytical" 
functions. They let you do sophisticated aggregation without the tyranny of 
GROUP BY:

http://blog.jooq.org/2013/11/03/probably-the-coolest-sql-feature-window-functions/

...With Java 8 streams, I had the itching that such window aggregations 
should be possible in Java directly. This way you do not have to build 
anything special in OrientDB itself, yet get powerful aggregations like a 
SQL Pro :-) 

I bumped into this article that shows how:

http://blog.jooq.org/2016/01/

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[orientdb] Incremental Backup?

[Hristo Stoyanov]

Hi,
Reading the ODB docs about backups, it appears that incremental backups are not 
supported. Incremental (as opposed to full backups, which seem to be all that 
ODB does currently) only add up incrementally to a baseline full backup, qnd 
typically save space/are faster, in the RDBMS world.

Is my understanding correct?

Also, a bit more details on how to organize non-blocking backups with LVM will 
be appreciated.

Thanks

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[orientdb] Re: Incremental Backup?

[Hristo Stoyanov]

Awesome SavioL!
Now what would be my excuse to still cling to PostgreSQL :-)

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Re: [orientdb] Re: OrientDB and Grails

[Hristo Stoyanov]

Luca, 
I recently had similar project and decided to use ANTLR.  It is much better 
supported,  my research showed. 

For your antlr SQL grammar files, you can  start with the ones in the Apache 
TAJO project, http://tajo.apache.org


If you go with antlr, get the  visual tools too!  They helped me a lot. 

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[orientdb] OrientDB as database for Analytics?

[Hristo Stoyanov]

Luca, 
We were considering OrientDb for analytical reports for one of our projects.  
Specifically,  the use of window functions,  quite common in high-end SQL 
systems. Eventually we decided to use PostgreSQL, as OrientDB did not have them.

With Java 8 streams and lambda,  however, one may implement this easily,  
without support from OrientDb? 

Are you also considering cubes,  dimensions,  MDX and other BI tools of the 
trade to implement in OrientDb? Maybe you can just provide an OrientDb backend 
for the Mondrian  OLAP server by Pentaho nstead... 


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[orientdb] how about 1.7rc3

[Hristo Stoyanov]

LucaCo have introduced some awesome new features since 1.7rc2. How about 
releasing 1.7rc3 as a next step, rather than 1.7 final?

Thanks,
Hristo

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[orientdb] Hazelcast 3.2.1 released. 27 issues fixed.

[Hristo Stoyanov]

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[orientdb] entity graphs in jpa 2.1

[Hristo Stoyanov]

Hi, is there something in OrientDB, similar to the newly introduced entity 
graphs in JPA 2.1:

https://blogs.oracle.com/theaquarium/entry/jpa_2_1_entity_graphs

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Re: [orientdb] entity graphs in jpa 2.1

[Hristo Stoyanov]

https://blogs.oracle.com/theaquarium/entry/jpa_2_1_entity_graphs

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[orientdb] Orientdb 1.6.4 exception when used as JCA adapter

[Hristo Stoyanov]

Hi,
I am trying to upgrade the OPS4J JCA adapter, which has not been upgraded 
since Orientdb 1.5. I am getting the below exception, which seems to be 
coming directly from OrientDB. Any documentation on how to register 
engines, or why this is necessary? I get the same if my url is: 
local:/home/hristo/java/orientdb-community-1.6.4/databases/docitt . I do 
not get this problem if I use ODatabaseDocumentTx, only if I get an 
instance of OObjectDatabaseTx.

Thanks


Caused by: 
com.orientechnologies.orient.core.exception.OConfigurationException: Error 
on opening database: the engine 'plocal' was not found. URL was: 
plocal:/home/hristo/java/orientdb-community-1.6.4/databases/docitt. 
Registered engines are: []
at com.orientechnologies.orient.core.Orient.loadStorage(Orient.java:208) 
[orientdb-core-1.6.4.jar:1.6.4]
at 
com.orientechnologies.orient.core.db.raw.ODatabaseRaw.exists(ODatabaseRaw.java:206)
 
[orientdb-core-1.6.4.jar:1.6.4]
at 
com.orientechnologies.orient.core.db.ODatabaseWrapperAbstract.exists(ODatabaseWrapperAbstract.java:65)
 
[orientdb-core-1.6.4.jar:1.6.4]
at 
com.orientechnologies.orient.core.db.ODatabaseWrapperAbstract.exists(ODatabaseWrapperAbstract.java:65)
 
[orientdb-core-1.6.4.jar:1.6.4]
at 
com.orientechnologies.orient.core.db.ODatabaseWrapperAbstract.exists(ODatabaseWrapperAbstract.java:65)
 
[orientdb-core-1.6.4.jar:1.6.4]
at 
org.ops4j.orient.adapter.impl.OrientManagedConnectionImpl.createDatabaseIfNeeded(OrientManagedConnectionImpl.java:132)
 
[orient-ra-0.3.0-SNAPSHOT.jar:]
at 
org.ops4j.orient.adapter.impl.OrientManagedConnectionImpl.init(OrientManagedConnectionImpl.java:98)
 
[orient-ra-0.3.0-SNAPSHOT.jar:]
at 
org.ops4j.orient.adapter.impl.OrientManagedConnectionFactoryImpl.createManagedConnection(OrientManagedConnectionFactoryImpl.java:104)
 
[orient-ra-0.3.0-SNAPSHOT.jar:]

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