Yeah, for ShardingSphere we also consider about adding group and application id 
configuration.
We plan to implement it in the near future.


> On May 27, 2019, at 10:18 PM, Zheng Feng <[email protected]> wrote:
> 
> OK, I understand and we had test with the similar situation on the
> kubernetes/openshift environment. The most important thing is that we have
> to make sure the restart pod has the same nodeIdentifier in the narayana
> configuration.
> 
> zhaojun <[email protected]> 于2019年5月27日周一 下午9:40写道:
> 
>> For cloud native architecture, if one instance have crashed, it can
>> failover to another available instance.
>> it is better to make instance stateless, we should also make transaction
>> log saved in database or other sharable storage.
>> So we consider about developing SPI for transaction log persistence and
>> recovery, and narayana is an implement for that.
>> For atomikos, we also plan to extend it.
>> 
>> ------------------
>> Zhao Jun
>> Apache Sharding-Sphere & ServiceComb
>> 
>> 
>>> On May 27, 2019, at 8:12 PM, Zheng Feng <[email protected]> wrote:
>>> 
>>> yeah, the narayana can persist the transaction log into the backend
>>> database by using the jdbc configuration. I will take a  loo at the
>> issue.
>>> Also why does the sharding sphere need this feature ?
>>> 
>>> zhaojun <[email protected]> 于2019年5月27日周一 下午4:08写道:
>>> 
>>>> Hi, zheng
>>>> 
>>>> I have hear of narayana-trnasaction manager have provided a powerful
>>>> feature that persisting transaction log into database.
>>>> So we prefer you write an example for using it, you can reference the
>>>> atomikos example from here[1].
>>>> Also I have created a issue for that, please see here[2]
>>>> 
>>>> [1]:
>>>> 
>> https://github.com/apache/incubator-shardingsphere-example/tree/dev/sharding-jdbc-example/transaction-example/transaction-2pc-xa-example
>>>> <
>>>> 
>> https://github.com/apache/incubator-shardingsphere-example/tree/dev/sharding-jdbc-example/transaction-example/transaction-2pc-xa-example
>>>>> 
>>>> 
>>>> [2]
>> https://github.com/apache/incubator-shardingsphere-example/issues/143 <
>>>> https://github.com/apache/incubator-shardingsphere-example/issues/143>
>>>> 
>>>> 
>>>> If you have any question, please feel free to let me know, thanks.
>>>> 
>>>> 
>>>> ------------------
>>>> Zhao Jun
>>>> Apache Sharding-Sphere & ServiceComb
>>>> 
>>>> 
>> 
>> 

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