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Status Under Consideration
Workspace Domino
Created by Guest
Created on Aug 31, 2018

RELATED IDEAS

NSF/NIF and DQL: Internal $Readers/Authors index

One of Domino's main appdev scalability barriers with medium/large NSFs occurs when a user has access to a very small subset of documents. For example, consider the scenario:

 

1. A view or folder has tens of thousands of docs in it

2. A user only has access to a small (e.g. 1-10) docs within that

 

Any lookups, searches, GetDocumentByKey, etc. against that view or folder will result in major page-scanning operations as Domino tries to find docs. This can cause painfully long delays in code execution as Domino searches the entire view (maxing out CPU) to end up with the small set of docs that the user can actually see. This cost is incurred each time the code is run.

 

It would be awesome if NSF/NIF stored a "Readers/Authors" index that Domino would automatically use first to assist in the subsequent NIF scan operations.

 

DGQF seems to already have some capability near this area in that it seems "smart" in searches involving AND conditions. So there might not be a lot of extra work needed here. Such an index could probably be leveraged in many areas of the product for a significant performance/scalability boost.

 

If there are admin concerns (e.g. disk space, etc.) then this could perhaps be an NSF toggle.

  • Attach files
  • Guest
    Reply
    |     Jan 17, 2020

    We have certainly investigated such an index.  It's in our backlog

  • Guest
    Reply
    |     Nov 29, 2018

    @Thomas - DQL only uses the indexes that are there, and there is no Readers/Authors index. John Curtis @ HCL should be able to explain more, but the point is DQL suffers from this same scenario/problem I believe.

  • Admin
    Thomas Hampel
    Reply
    |     Oct 27, 2018

    Moving idea to product : Domino Designer

  • Admin
    Thomas Hampel
    Reply
    |     Oct 27, 2018

    Domino Query Language should provide you with the ability to search large amounts of data quickly.

  • Guest
    Reply
    |     Sep 2, 2018

    Upgrade the NSF to support graph database functions (https://en.wikipedia.org/wiki/Graph_database).- this could give index free lookups

5 MERGED

Redesign Readers / Authors field for NotesView.FTSearch() - now it is very, very slow to search in view where documents are using Readers / Authors field.

Merged
Using Readers / Authors fields adds a lot of processing and using NotesView.FTSearch() to search in particular view is slow when we have many, many documents.
over 6 years ago in Domino Designer 1 Under Consideration
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