Problemsby GlyphDelta Lake users keep filing bugs
6 posts from 6 people6d activeFading, +0 this week
Posts per day
The posts behind it
[Feature Request][Spark][Kernel] Support Delta tables on GooseFS (gfs://)
## Feature request #### Which Delta project/connector is this regarding? - [x] Spark - [ ] Standalone - [ ] Flink - [x] Kernel - [x] Other (delta-storage) ### Overview Support reading and writing a full Delta table on GooseFS (`gfs://`) for GooseFS 1.6.X and 2.X. Parquet data...
Clarification Request: Vacuum's Default Retention Period
#### Which Delta project/connector is this regarding? Python module for delta-spark 4.4.0 #### Question The [docs](https://docs.delta.io/api/latest/python/spark/index.html#delta.tables.DeltaTable.vacuum) for deltaTable.vacuum() say that if the optional retention hours parameters...
Allow to lexicographically sort tables in optimize
## Protocol Change Request ### Description of the protocol change There was a discussion about lexicographical sorting inside delta-rs. I am interested can we also add it to delta spark? https://github.com/delta-io/delta-rs/issues/4724 ### Willingness to contribute The Delta...
`SELECT s, s.x` on column-mapped Delta fails: subcolumn name stays logical
...and `SELECT s.x` alone work. - `SELECT * FROM t WHERE s.x = ...` is an everyday query; workaround is `tupleElement(s, 'x')`. Root cause: `filterTupleColumnsToRead` turns `s.x` into subcolumn `x` of the requested `s`, and `getPhysicalNameAndType` renames the type in storage to...
[BUG] version.sbt should be updated since 4.4.0 is out
## Bug ### Describe the problem [version.sbt](./version.sbt) is incorrect (`4.4.0-SNAPSHOT`) since 4.4.0 is out. ### Willingness to contribute The Delta Lake Community encourages bug fix contributions. Would you or another member of your organization be willing to contribute a...
Row-granular concurrency for V3 deletion vectors on UPDATE/MERGE (refine validateNoConflictingDeleteFiles)
...(open) merges concurrently-added DVs for pure-delete RowDelta commits instead of failing - position deletes are commutative, so the union is always safe. It applies only when the commit adds/removes no data files and `validateNoConflictingDeleteFiles` is not enabled - i.e. the...
Companies and products named
About this problem
Evidence
6 posts from 6 people in 3 places, about 1 a week over 56 days. Mostly on delta-io/delta, apache/iceberg, ClickHouse/ClickHouse. Tools named alongside: GitHub, Apache Iceberg, ClickHouse, Apache Flink.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Delta Lake that state a pain but match no known issue yet. First post Sep 8, 2026, latest Nov 2, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
Other Delta Lake problems
Trouble with Delta Lake protocol
Top post: "Concurrent Identity Columns (CIC)", one of 4 posts from 4 people on GitHub issues.
Delta Lake upgrades break working setups
2 posts from 2 people on GitHub issues. Unverified.
History