This feature is in an experimental stage and only work in standalone mode.
Only advantage I can think of is, we can use this in a non-durable topic
scenario with a single node setup to get higher message rates (a niche ).

Yes, agree with Pumudu on hard coded table structure. H2 Sql schema should
be read from the h2 schema file rather than hard coding it leading to
maintenance overhead.

@Yasassri: Are these issues only present in In-memory mode?


On Fri, Sep 18, 2015 at 2:24 PM, Yasassri Ratnayake <[email protected]>
wrote:

> Hi Asitha,
>
> I just did some basic tests and came across following issues. Since we are
> not recommending H2 for production, Is there any added advantage of
> maintaining this feature?
>
> [1] - https://wso2.org/jira/browse/MB-1310
> [2] - https://wso2.org/jira/browse/MB-1318
> [3] - https://wso2.org/jira/browse/MB-1312
>
> With Regards,
>
> On Fri, Sep 18, 2015 at 5:23 AM, Asitha Nanayakkara <[email protected]>
> wrote:
>
>> Hi Yasassri,
>>
>> If I'm not mistaken, H2 In memory store is simply using the existing
>> RDBMS message store implementations. The difference is the database
>> connection (In memory store connect to an H2 in-memory database). Therefore
>> this doesn't support clustered setup.
>>
>> What are the critical bugs encountered?
>>
>> Regards,
>> Asitha
>>
>>
>> On Thu, Sep 17, 2015 at 11:44 PM, Yasassri Ratnayake <[email protected]>
>> wrote:
>>
>>> Hi All,
>>>
>>> Currently MB 3.0 has the capability of utilizing H2's In memory database
>>> feature for persisting messages. But after doing a simple smoke test on
>>> this feature I found several critical bugs. So we should fix these blocking
>>> issues before the release. IMHO, due to strict time constraints on MB
>>> release it is ideal to remove this feature from this release rather than
>>> shipping this with bugs. (MB team has many more critical issues to fix)
>>> Some customers may try to use this feature. If so we are asking for trouble.
>>>
>>> WDYT?
>>>
>>> With Regards,
>>>
>>> --
>>> Yasassri Ratnayake
>>> Software Engineer - QA
>>> WSO2 Inc ; http://wso2.com
>>> lean.enterprise.middleware
>>> *Mobile : +94715933168 <%2B94715933168>*
>>> *Blogs : http://yasassriratnayake.blogspot.com
>>> <http://yasassriratnayake.blogspot.com/>*
>>> *            http://wso2logs.blogspot.com <http://wso2logs.blogspot.com>*
>>>
>>
>>
>>
>> --
>> *Asitha Nanayakkara*
>> Software Engineer
>> WSO2, Inc. http://wso2.com/
>> Mob: + 94 77 85 30 682
>>
>>
>
>
> --
> Yasassri Ratnayake
> Software Engineer - QA
> WSO2 Inc ; http://wso2.com
> lean.enterprise.middleware
> *Mobile : +94715933168 <%2B94715933168>*
> *Blogs : http://yasassriratnayake.blogspot.com
> <http://yasassriratnayake.blogspot.com/>*
> *            http://wso2logs.blogspot.com <http://wso2logs.blogspot.com>*
>



-- 
*Asitha Nanayakkara*
Software Engineer
WSO2, Inc. http://wso2.com/
Mob: + 94 77 85 30 682
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