Problemsby GlyphApache Kafka lock-in makes switching costly
2 posts from 2 people2d activeSteady, +1 this weekunverified
Posts per day
The posts behind it
26.9: Row-format inserts into nested Tuple tables are up to 3x slower (Kafka ingest 1.8x)
### Company or project name PDT Partners ### Describe the situation Since 26.9, every block that `IRowInputFormat` reads rebuilds every nested `Tuple` column several times, so small blocks of tables with nested `Tuple`s are **up to 3.2x slower to parse than on 26.8**. Small...
zerobus-ingest over kafka
...in a temp folder. No matter what magic databricks has conjured in zerobus, I find it hard to believe they can compete with the performance of dropping blobs into storage..
Companies and products named
About this problem
Evidence
2 posts from 2 people in 2 places, about 1 a week over 29 days. Mostly on r/databricks, ClickHouse/ClickHouse. Tools named alongside: Databricks, ClickHouse.
Frustration Frustration 0 of 3· Seen on Reddit, GitHub issues
How it was grouped
Posts that state a pain and match the "vendor-lock" rule about Apache Kafka. First post Sep 24, 2026, latest Oct 22, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
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History