Hi Hans,
There is caching of indexes and documents, but not all information is in
memory at all times.
There is a lot of documentation, and it's very good. But the single best
place to start is with the overall paper
https://developer.marklogic.com/inside-marklogic
It is pretty technical and covers a lot of ground, including some details
on indexing. I would start with that then ask any follow-on questions that
arise.
= Chris
On Thu, Jun 23, 2016 at 9:11 AM, Hans Hübner <[email protected]>
wrote:
> Chris,
>
> thank you for your input. I must admit that I'm still very new to
> MarkLogic and my general understanding of what I can and can't expect is
> still lacking.
>
> On Thu, Jun 23, 2016 at 2:45 PM, Christopher Hamlin <[email protected]>
> wrote:
>
>> To get the information in your example, the system is pulling the
>> document into memory from disk, expanding it (into the expanded tree cache)
>> and extracting per your xpath. It actually seems pretty fast considering
>> all that. But it is possible to speed things up.
>>
>
> I - probably wrongly - expected that MarkLogic would make it (very)
> efficient to navigate to some random element in the XML file when enough
> indexing information is present to locate it. It was thus my naive hope
> that I could load a large XML document into the database, have ML index it
> and then quickly access arbitrary subtrees. Now, what you seem to say is
> that the document is loaded and expanded every time that it is accessed.
>
> I'll try to figure things out by reading more, but I'm a bit overwhelmed
> by the amount of documentation that is provided. Maybe I really need a
> consultant to set my expectations straight. Not sure if this is the proper
> place to ask for one?
>
> Thanks for your help anyway!
> Hans
>
>
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