Problemsby GlyphTrouble with Apache Iceberg pruning
2 posts from 2 people2d activeSteady, +1 this weekunverified
Posts per day
The posts behind it
API: Predicate evaluation and file pruning treat -0.0 and 0.0 as different values
### Apache Iceberg version main (development) ### Query engine None ### Please describe the bug 🐞 The expressions spec says `float` and `double` "use IEEE 754 order for all non-NaN values", and under that order `-0.0 = 0.0`. The wording was chosen on purpose in #16652...
Using UUIDv7 for simultaneous point and time-range pruning in Iceberg
### Feature Request / Improvement Optimizing an Iceberg table for both time-range queries and ID lookups normally takes two partition fields: a time transform on a `timestamp` column and a bucket transform on an `id` column, usually a UUID. Given only an `id`, Iceberg can pick...
Companies and products named
About this problem
Evidence
2 posts from 2 people in 1 place, about 1 a week over 63 days. Mostly on apache/iceberg. Tools named alongside: PostgreSQL, GitHub, IEEE.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Apache Iceberg with no known issue, sharing the word "pruning". First post Aug 30, 2026, latest Oct 31, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
Other Apache Iceberg problems
Trouble with Apache Iceberg table
Top post: "Parquet files written with the default CRS are not compatible with Iceberg Java EPSG:4326 table", one of 12 posts from 8 people on GitHub issues.
Apache Iceberg upgrades break working setups
6 posts from 5 people on GitHub issues.
Bad data slips through Apache Iceberg unnoticed
3 posts from 3 people on GitHub issues.
Apache Iceberg users keep filing bugs
Top post: "ORC: Writer accepts an empty struct that reader cannot bind", one of 10 posts from 9 people on GitHub issues.
Trouble with Apache Iceberg spark
Top post: "Spark: WAP snapshot isolation broken for format-version 3 tables when deletion vectors are used (spark.wap.id)", one of 7 posts from 7 people on GitHub issues.
Apache Iceberg runs out of memory
4 posts from 3 people on GitHub issues.
Trouble with Apache Iceberg rest
Top post: "Core: Negative delete-file-references in REST scan response cause IndexOutOfBoundsException", one of 4 posts from 3 people on Reddit, GitHub issues.
Apache Iceberg connectors and syncs are fragile
3 posts from 3 people on GitHub issues.
Trouble with Apache Iceberg delete
Top post: "Iceberg DROP PARTITION aborts or republishes parent delete counters after an overwrite snapshot", one of 3 posts from 3 people on GitHub issues.
Apache Iceberg schema changes break downstream pipelines
2 posts from 2 people on GitHub issues. Unverified.
Apache Iceberg deprecations force unplanned migrations
2 posts from 2 people on GitHub issues. Unverified.
Apache Iceberg tables suffer from small files and skew
2 posts from 2 people on GitHub issues. Unverified.
History