Changes to make Centralized data smaller

From CCMDB Wiki
Jump to navigation Jump to search

As of 2022-08-10 Centralized data.mdb was 1.348GB . This is large and slowly approaching MS Access' 2GB limit. The size also makes it slow to copy down, and even slower to copy up. This page is about attempts to make the file smaller.

L_Dxs table and L_Como table

We can reduce the file size to 0.810GB by moving the legacy tables L_Dxs table and L_Como table to Legacy TMS Data.mdb. These tables are “stale” and no longer change, so we don’t really need to have them in Centralized data.mdb.

Next Steps
  • update CFE re-link to these in Legacy rather than in Centalized_Data
  • added: 2022-08-10
  • action: 2022-08-10
  • Cargo


  • Categories

Log

    • asked Julie to change her SAS to pull them from there and update here when done
  • SMW


  • Cargo


  • Categories

Postal_Code_Master table

There is a Postal_Code_Master table in Centralized data.mdb. It’s in this file because Pagasa maintains it, so if it was in CFE it would get lost if Tina made an update to that file. Removing this table would further shrink the file to 0.721GB .


  • Do you actually use this table? If so we might need to keep it in Centralized so you get any updates Pagasa makes. Ttenbergen 16:38, 2022 August 10 (CDT)
  • The table has a lot of fields that are only populated for MB, an not even consistenly there. Do you use any of these fields for aggregation? Do you use this table at all when you do geographic analysis, or do you have a different one? They are all 255char fields, so if there are any we don't use we should consider eliminating them. There are also some erratic entries in there, eg. latitudes and longitudes missing their decimal points, or rhacode and province blank... do we need to review this? Ttenbergen 16:38, 2022 August 10 (CDT)
  • SMW


  • Cargo


  • Categories

If Pagasa is the only user of this table we could move it into a different file, which would just have to be added to the push pull and reconnect machinery for Pagasa.

Next Steps

_after

  • Waiting for info from Julie:
    • Can we move the file out? Ttenbergen 16:38, 2022 August 10 (CDT)
    • Can we reduce field sizes? Ttenbergen 16:38, 2022 August 10 (CDT)
  • added: 2022-08-10
  • action: 2022-08-10
  • Cargo


  • Categories

Log

Related articles

Related articles:
Retrieved from "https://ccmdb.kuality.ca/index.php?title=Changes_to_make_Centralized_data_smaller&oldid=157115"