[Question] Limiting index size

[Stevenic]

This was posted over in the issues list (#3) so re-posting here so my answer doesn't get lost.

I'm considering using the vectra package as a backend for a project running on Node, and was hoping to get some guidance on managing the index size. My goal is to limit the index size to a predefined number, such as 100,000.

[Stevenic]

Link to my original answer:

#3 (comment)

Here's the code sample I provided:

async function pruneIndex(index, max_items) {
   // check index against retention policy
   const stats = await index.getIndexStats();
   if (stats.items < max_items) {
      return;
   }

   // Remove oldest items first
   await index.beginUpdate();    
   try {
      const items = await index.listItems();
      while (items.length > max_items) {
         const item = items.unshif();
         await index.deleteItem(item.id);
      }
      await index.endUpdate();
   } catch (err) {
      await index.cancelUpdate();
      throw err;
   }
}