maria-discuss team mailing list archive

[Justin Swanhart <greenlion@xxxxxxxxx>]

Hi,

And generally BOM is implemented using an adjacency model, and
MySQL/MariaDB lack SQL:2003 support for recursive queries, and lack CONNECT
BY .. - thus there is no easy way to access a BOM in MariaDB.

--Justin

On Wed, Mar 9, 2016 at 6:59 AM, Justin Swanhart <greenlion@xxxxxxxxx> wrote:

> Hi,
>
> Do you mean schema routing?  Because that won't allow you to join between
> schemata.  You generally need to join OE to INV to PO, etc in an ERP
> system.  Sharding by schema won't help. You would end up having to use
> multi-master replication to get all the data back on a single node, then
> report on it, and you would be again be stuck with single threaded queries
> for large reports.
>
> I very much doubt that max scale could help with this, but if you have
> some sort of proof-of-concept or example to back up the suggestion it would
> be welcome as I'm unaware of such a solution.
>
> --Justin
>
> On Wed, Mar 9, 2016 at 6:47 AM, Christophe Le Roux <
> christophe.le.roux@xxxxxxxxxxxx> wrote:
>
>> Hi,
>>
>>
>>
>> Maybe Maxscale can help you to (auto-)shared on a dozen of servers, take
>> a look on it.
>>
>>
>>
>> Regards,
>>
>>
>>
>> Christophe
>>
>>
>>
>> *De :* Maria-discuss [mailto:maria-discuss-bounces+christophe.le.roux=
>> fr.clara.net@xxxxxxxxxxxxxxxxxxx] *De la part de* Seung Hoon Yoo
>> *Envoyé :* mercredi 9 mars 2016 11:07
>> *À :* mariadb-discuss <maria-discuss@xxxxxxxxxxxxxxxxxxx>
>> *Objet :* [Maria-discuss] Question about MariaDB global reference In
>> high complexity app and big DB Size
>>
>>
>>
>> hi I am some question, i want some opinion below question
>>
>>
>>
>> We planning ERP solution convert oracle to mariaDB
>>
>> so erp application pattern and BIG DB SIZING IS ISSUE.
>>
>>
>>
>>
>>
>>
>>
>> Our IT background & goal
>>
>> 1) Apppliciation Complexity & Pattern: ERP Level complexity (high , OLTP
>> & many batch)
>>
>> 2) DB SIZE : 10 TB Over (Single DB , NO sharding)
>>
>> 3) replication Gap issue
>>
>>
>>
>>
>>
>>
>>
>> ** My Question **
>>
>> 1) Any Global reference is in MariaDB  (on ERP level complexity and
>> application pattern)
>>
>>
>> 2) Any some reference in BIG DATA SIZING ?
>>    (EX: 5TB DB Exists in XX COMPARY e-commerce soluntion..)
>>
>>
>>    IS Only solution is DB Sharding? no big data global reference ??
>>
>>
>> 3) Replication performance
>>
>>   : Our test result 2MB/SEC binlog written in master ,
>>      so slave node get replication lag glorwing.  (in row binlog format)
>>
>>                            ( 1master - 1 slave )
>>
>>     Any Body have experience some reference max transaction in no
>> replication gap ?
>>
>>                            ( ex : 20MB / SEC but no replication gap our
>> application experience..)
>>
>>
>> : parellel slave thread is good performance in single domain-id and
>> ordered method replicaiton ?
>>
>>
>>    ( how much better performance in parallel replication?
>>
>>
>>    (ex single repliation 2MB/SEC BINLOG => Replication GAP GROW but,
>> parellel replicaiton is good in 10MB/Sec binlog write Environment)
>>
>>
>>
>>
>>
>> thanks a lot.
>>
>>
>>
>> regards, seung hoon yoo.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>>
>