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Unmaintained Trending Content Tags 1.1.8

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  • Persistent tag counts from redis to mysql should better than race conditions if the persistence is triggered at the same time. Previously 1 attempt would just die, now it will silently stop rather than cause errors.
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Reactions: Mouth and Sunka
  • Correctly purge a tag's trending information when a tag is deleted
  • Fix add-on compatibility with add-ons which hook tags being deleted
    • Recommend updating if you use Tag Essentials
  • Add warning that counting guest usage causes increased write load to the redis backend.
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Reactions: Gonanda and Sunka
  • Improve reliability of installer to create tables if reinstalling
  • Improve old trending tag summarization so it correctly breaks up it's workload across multiple background deferred requests.
    • Additionally, this prevents a case where it would continuously loop failing to prune rows due to a logic error. This error previously wasn't observable, as it would do most of the work in the one request due to a bug where the limit on the rows to check was being ignored.
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Reactions: Gonanda and Sunka
  • Correctly limit the number of tags being summarized to the configured amount, and push the rest into a deferred task.
    • Recommend changing "Summarize Sample Limit" to a much lower value than the previous default. New value is 100 tags, not 10000.
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Reactions: Gonanda and Sunka
  • When the trending sidebar is disabled, don't display an empty trending sidebar entry.
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Reactions: Gonanda and Sunka
  • Prevent error on a new install.
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Reactions: Gonanda
  • Reduce locking on MySQL fallback path.
  • Prevent potential "ERR no such key" error.
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Reactions: Gonanda and Sunka
If using Zend Redis Cache, version 1.1.14 is required.
  • Automatically use Redis to cache per-page requests until they are need to be compiled to show trending content tags.
    • Replaces potentially expensive insert-select-update query with a few simple Redis inserts, tag usage counters are then destaged later and not on each page hit.
    • Once the sample collection window is closed, or the trending cloud cache expires, tag counters are then persisted to the database.
  • Still contains MySQL based fallback if Redis is not available.
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Reactions: Gonanda and Sunka
Implement summarization of old tags via daily cron.
  • By a minimum time (after 72 hours by default), samples are summarized into smaller blocks (6 hour sample window).
Warning: initial summarization of older tags can take some time.
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Reactions: Gonanda
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