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From Jørgen Løland <Jorgen.Lol...@Sun.COM>
Subject Re: [jira] Updated: (DERBY-2872) Add Replication functionality to Derby
Date Tue, 04 Mar 2008 13:02:10 GMT
Hi Wagar,

I'm not sure how you should do this, but I'm sure you'll get a good 
answer if you send this question to the discussion list: 

Waqar Hassan wrote:
> Starting JAVA DB network server using code. please help me how can i start
> server using coding .
> On 3/2/08, V.Narayanan (JIRA) <jira@apache.org> wrote:
>>     [
>> https://issues.apache.org/jira/browse/DERBY-2872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel]
>> V.Narayanan updated DERBY-2872:
>> -------------------------------
>>    Attachment: ReplicationDesign.pdf
>>                ReplicationWriteup.txt
>> I started working on a replication wiki over the weekend. I spent the
>> weekend writing down the
>> initial set of details that I thought the wiki should contain and which
>> would be relevant to a
>> new user of the replication feature. I wrote these details in the form of
>> a text file.
>> I would be converting the text file into a replication wiki over the next
>> week.
>> Since this issue deals with the replication design and tries to identify
>> issues that are relevant
>> to this feature I am attaching whatever information I have assimilated to
>> this issue.
>> Note that the attached pdf contains a very simplified block diagram of the
>> main modules involved
>> in replication. I purposely made this simplified to enable the easy
>> understanding of the replication
>> design.
>> More detailed descriptions of the feature can be got by following the JIRA
>> pointers that are mentioned
>> in the explanations of the various blocks of this simplified block
>> diagram, and going through the
>> specific JIRA issues.
>> I have tried to organize the information I have collected or re-collected
>> so that it will be easy
>> for reviewers to point out places in which I have gone wrong.
>> I will be making further updates, improvements and modifications directly
>> to the wiki and will not
>> be attaching it to this issue.
>>> Add Replication functionality to Derby
>>> --------------------------------------
>>>                 Key: DERBY-2872
>>>                 URL: https://issues.apache.org/jira/browse/DERBY-2872
>>>             Project: Derby
>>>          Issue Type: New Feature
>>>          Components: Replication
>>>    Affects Versions:
>>>            Reporter: Jørgen Løland
>>>            Assignee: Jørgen Løland
>>>         Attachments: master_classes_1.pdf, poc_master_v2.diff,
>> poc_master_v2.stat, poc_master_v2b.diff, poc_slave_v2.diff,
>> poc_slave_v2.stat, poc_slave_v2b.diff, poc_slave_v2c.diff,
>> proof-of-concept_v2b-howto.txt, proof_of_concept_master.diff,
>> proof_of_concept_master.stat, proof_of_concept_slave.diff,
>> proof_of_concept_slave.stat, replication_funcspec.html,
>> replication_funcspec_v2.html, replication_funcspec_v3.html,
>> replication_funcspec_v4.html, replication_funcspec_v5.html,
>> replication_funcspec_v6.html, replication_funcspec_v7.html,
>> replication_funcspec_v8.html, replication_funcspec_v9.html,
>> replication_script.txt, ReplicationDesign.pdf, ReplicationWriteup.txt,
>> slave_classes_1.pdf
>>> It would be nice to have replication functionality to Derby; many
>> potential Derby users seem to want this. The attached functional
>> specification lists some initial thoughts for how this feature may work.
>>> Dag Wanvik had a look at this functionality some months ago. He wrote a
>> proof of concept patch that enables replication by copying (using file
>> system copy) and redoing the existing Derby transaction log to the slave
>> (unfortunately, I can not find the mail thread now).
>>> DERBY-2852 contains a patch that enables replication by sending
>> dedicated logical log records to the slave through a network connection and
>> redoing these.
>>> Replication has been requested and discussed previously in multiple
>> threads, including these:
>> http://mail-archives.apache.org/mod_mbox/db-derby-user/200504.mbox/%3c426E04C1.1070904@yahoo.de%3e
>> http://www.nabble.com/Does-Derby-support-Transaction-Logging---t2626667.html
>> --
>> This message is automatically generated by JIRA.
>> -
>> You can reply to this email to add a comment to the issue online.

Jørgen Løland

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