Hi Ling,

Yes, we maintain a transaction journal for each forest that allows us to 
recover committed transactions in the event of a failure. In each 
forest's Journals directory you'll files named Journal# where # is an 
integer. They are not human readable.

Wayne.


On 06/22/2010 10:24 PM, Ling Ling wrote:
> Hello,
>
> When I look at the logs, I only found OS logs and ML server file logs.
> These log told what ML server did. In traditional database, there are
> redo/undo logs when database writes. Does ML server writes such logs?
> Where is it and when does the server write such logs and flush it to
> disk? Is it related to the version control in ML server? We are doing
> some update and insert with ML server and want to make sure what happens
> here. Thank you very much.
>
> Thanks,
> Ling
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-- 
Wayne Feick
Lead Engineer
MarkLogic Corporation
Phone +1 650 655 2378
Cell +1 408 981 4576
www.marklogic.com

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