On Wednesday, July 14, 2021 at 5:29:38 PM UTC+2 Stobot wrote: I agree with most of the points of where fields are more useful than tags > as you get deeper and deeper into organization, and the methods make sense, > but often there's talk about a performance implication that I don't > understand, but am hoping to as I'm kind of a performance junkie. >
Field values and Tag values are internally indexed since TW version 5.1.20 Backlinks are indexed since 5.1.22 See: https://tiddlywiki.com/#Release%205.1.20 and search for "indexer" to see the release message and the link to the PR in the repo. > So my questions are: > 1. Is the "bad" type of "tag pollution" related to number of unique tags, > or number of tiddlers *with* tags? > At the moment it should only be a "user management" problem, not a performance problem any more. > Or both? For example I use my main TiddlyWiki for project organization and > most details are in fields, but almost every tiddler is tagged as either a > task, project, meeting, etc. So, I have a small number of unique tags, but > high number of tagged items. > Filters should be reasonably performant for your use-case 2. What is the source of the associated negative performance impact? > It was the number of _all_ tiddlers. As Jeremy mentioned there in the release-note with 60 000 tiddlers the refresh time improved by the factor of 3. Refresh time will matter, if you eg: Switch tabs ... > I assume it has something to do with indexing - and if so there's probably > a speed vs. memory tradeoff. > Yes, ... We trade more memory consumption for better speed _now_ -mario -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/e00e8522-a611-4cb4-ad0c-6a87c0ad2a23n%40googlegroups.com.
