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Realtime Event Retention Policy: Scaling Delivery Tracking Maps Through 3 Recovery Windows

Short answer: keep a short, lossless stream for reconnects, a compact snapshot for backfill, and discard movement noise once the map has caught up.

  • Realtime event retention crucial for scaling delivery tracking maps
  • Three recovery windows: short lossless stream, compact snapshot, and discarding noise
  • Retention tiers based on usage patterns and monotonically increasing sequence

We submitted a Bangla POS app to 50 directories. Here is what actually happened.

Tukri is a point-of-sale, stock and dues-book app for small shops in Bangladesh. It has a free plan and works offline. When we wrote our outreach plan on 21 October, Search Console showed a single…

  • Tukri submitted to 50 directories, aiming for listings.
  • Six directories featured live Tukri pages, including Crunchbase and GitLab.
  • Submission process faced delays, rejections, and CAPTCHA issues.

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