Data and AI struggles

1,730 problems · 342 companies

Areas

Data engineering problems

Polars

Bad data slips through Polars unnoticed

3 posts from 3 people on GitHub issues, Reddit.

+0 this weekFading · 3d active
OpenAI

OpenAI tables suffer from small files and skew

3 posts from 3 people on GitHub issues.

+0 this weekFading · 3d active
Apache Airflow

Trouble with Apache Airflow backend

Top post: "Support [workers] state_store_backend in language SDK tasks", one of 3 posts from 3 people on GitHub issues.

+0 this weekFading · 3d active
Apache Iceberg

Apache Iceberg connectors and syncs are fragile

3 posts from 3 people on GitHub issues.

+0 this weekFading · 3d active
Polars

Trouble with Polars streaming

Top post: "`min_by`/`max_by`/`sort_by` with a scalar `by`: in-memory engine raises, streaming broadcasts", one of 3 posts from 2 people on GitHub issues.

+0 this weekFading · 2d active
Apache Airflow

Trouble with Apache Airflow dags

Top post: "DagModel.owners falls back to 'airflow' for Dags with only mapped tasks (LazyDeserializedDAG.owner ignores", one of 3 posts from 3 people on GitHub issues.

+0 this weekFading · 3d active
pandas

Trouble with pandas dtype

Top post: "pd.to_numeric with errors=coerce fails to produce actual NA values when applied to dtype string[pyarrow]", one of 3 posts from 3 people on GitHub issues.

+0 this weekFading · 3d active
ChatGPT

ChatGPT jobs fail silently or break often

3 posts from 3 people on GitHub issues, Community forums.

+0 this weekFading · 3d active
Apache Kafka

Trouble with Apache Kafka connect

Top post: "Kafka connect runtime 1.12.0 Azure Blob writes silently hang due to netty-tcnative/netty-handler", one of 3 posts from 3 people on GitHub issues.

+0 this weekFading · 3d active
ClickHouse

ClickHouse schema changes break downstream pipelines

2 posts from 1 person on GitHub issues. Unverified.

+0 this weekFading · 2d active
Apache Flink

Apache Flink connectors and syncs are fragile

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Docker

Docker tables suffer from small files and skew

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Apache Iceberg

Trouble with Apache Iceberg pruning

Top post: "API: Predicate evaluation and file pruning treat -0.0 and 0.0 as different values", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
DuckDB

DuckDB schema changes break downstream pipelines

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Docker

Docker jobs fail silently or break often

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active

Model, table and pipeline sprawl becomes unmanageable

2 posts from 2 people on GitHub issues, Reddit. Unverified.

+0 this weekFading · 2d active
DuckDB

Testing DuckDB pipelines and SQL is hard

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
PostgreSQL

Bad data slips through PostgreSQL unnoticed

2 posts from 2 people on Stack Overflow. Unverified.

+0 this weekFading · 2d active
SQL Server

SQL Server connectors and syncs are fragile

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Databricks

Trouble with Databricks query

Top post: "How to debug remote_query() performance?", one of 2 posts from 2 people on Reddit. Unverified.

+0 this weekFading · 2d active
BigQuery

Hard to trace lineage and find trusted data in BigQuery

2 posts from 1 person on GitHub issues. Unverified.

+0 this weekFading · 1d active
Polars

Trouble with Polars cache

Top post: "Cache columns property", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
dbt

Trouble with dbt lint

Top post: "`dbt lint --fix` should expand `*` in `select *` into explicit columns", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
ClickHouse

ClickHouse streams lag, drop or reorder events

2 posts from 2 people on GitHub issues, Reddit. Unverified.

+0 this weekFading · 2d active
Claude

Bad data slips through Claude unnoticed

2 posts from 1 person on Reddit. Unverified.

+0 this weekFading · 2d active
pandas

Trouble with pandas column

Top post: "mean of column with numpy arrays stopped working in 3.1.0", one of 2 posts from 2 people on Stack Overflow, GitHub issues. Unverified.

+0 this weekFading · 2d active
pandas

Trouble with pandas attributeerror

Top post: "dateutil timezones raise AttributeError with python-dateutil 3.0", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
pandas

Trouble with pandas python

Top post: "`any()` and `all()` methods return inconsistent types based on underlying storage - should they always return", one of 2 posts from 2 people on Reddit, GitHub issues. Unverified.

+0 this weekFading · 2d active
dbt

Migrating to or off dbt is slow and risky

2 posts from 2 people on GitHub issues, Reddit. Unverified.

+0 this weekFading · 2d active
Azure Data Factory

Azure Data Factory users keep asking for help

Top post: "Azure Data Factory: How to deploy changes independently for multiple teams using one shared ADF?", one of 2 posts from 2 people on Stack Overflow. Unverified.

+0 this weekFading · 2d active
pandas

Trouble with pandas numpy

Top post: "Supporting the new `np.minmax` reduction (and backing ufunc) coming in numpy 2.6.0", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Apache Iceberg

Apache Iceberg tables suffer from small files and skew

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Apache Kafka

Apache Kafka tables suffer from small files and skew

2 posts from 2 people on GitHub issues, Reddit. Unverified.

+0 this weekFading · 2d active
Prefect

Trouble with Prefect deployment

Top post: "`prefect deployment delete --all` leaves deployments behind when there are more than 200", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Snowflake

Migrating to or off Snowflake is slow and risky

2 posts from 2 people on Reddit. Unverified.

+0 this weekFading · 2d active
Vercel

Vercel tables suffer from small files and skew

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Claude Code

Hard to trace lineage and find trusted data in Claude Code

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Claude

Claude backfills are slow and risky

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
GitHub Copilot

Migrating to or off GitHub Copilot is slow and risky

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Apache Flink

Trouble with Apache Flink columns

Top post: "`VACUUM ... USING INVENTORY` rejects tables with non-nullable columns and comments", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Polars

Trouble with Polars slice

Top post: "Predicate pushdown into a shared cache applies a filter below each branch's slice", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Apache Flink

Apache Flink schema changes break downstream pipelines

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Cursor

Migrating to or off Cursor is slow and risky

2 posts from 2 people on Community forums. Unverified.

+0 this weekFading · 2d active
Codex

Codex backfills are slow and risky

2 posts from 1 person on GitHub issues. Unverified.

+0 this weekFading · 2d active
pandas

Trouble with pandas path

Top post: "TST: test_duplicated_hashtable_impl monkeypatches _SIZE_CUTOFF on a path that never reads it", one of 2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
PostgreSQL

Migrating to or off PostgreSQL is slow and risky

2 posts from 2 people on Hacker News, GitHub issues. Unverified.

+0 this weekFading · 2d active
GitHub Copilot

Modeling data in GitHub Copilot is unclear and hard to change

2 posts from 2 people on Reddit. Unverified.

+0 this weekFading · 2d active
Apache Spark

Bad data slips through Apache Spark unnoticed

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active
Polars

Trouble with Polars iceberg

Top post: "`sink_iceberg`: create the table when it does not exist", one of 2 posts from 1 person on GitHub issues. Unverified.

+0 this weekFading · 1d active
Apache Flink

Apache Flink tables suffer from small files and skew

2 posts from 2 people on GitHub issues. Unverified.

+0 this weekFading · 2d active