Got it. Thank you very much!
Ling
Wayne Feick wrote:
> I'm not sure if there are any docs available outside the company.
>
> Generally speaking, it's what you'd expect in a transactional system;
> recovery records are written to the journal as a transaction progresses,
> and important records
I'm not sure if there are any docs available outside the company.
Generally speaking, it's what you'd expect in a transactional system;
recovery records are written to the journal as a transaction progresses,
and important records (prepare, commit) cause journal data to be synced
to disk and wa
Hello Wayne,
Thank you for your reply. Yeah, I found it. They are together with data,
on our striped volume. I am interested in how they are managed, like
when to write log and when the I/O happens. Could you point out some
materials that I can read about? Thanks!
Thanks,
Ling
Wayne Feick wro
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
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? I