All problems

16 problems matching Polars, rising first. The list grows every day.

Problem	Companies	Active	Seen on	This week
Small files, skew and partitioning hurt performanceData engineeringGitHub, Apache Iceberg, llama.cpp, Claude Code, Microsoft Azure, Polars9d activeSeen on GitHub issues, Reddit	GitHub, Apache Iceberg, llama.cpp, Claude Code, Microsoft Azure, Polars	9d activesince Aug 28	Seen on GitHub issues, Reddit	+33 posts in the last 7 days, 0 the 7 days before (rising)
Databases hit connection, locking and scaling limitsDatabasesClaude Code, PyTorch, GitHub, Slack, Polars, PyPI4d activeSeen on GitHub issues	Claude Code, PyTorch, GitHub, Slack, Polars, PyPI	4d activesince Sep 2	Seen on GitHub issues	+22 posts in the last 7 days, 0 the 7 days before (rising)
Jobs and services run out of memoryDevOps and infraPolars, BigQuery, Airbyte, DuckDB, Positron, Segment6d activeSeen on GitHub issues	Polars, BigQuery, Airbyte, DuckDB, Positron, Segment	6d activesince Aug 28	Seen on GitHub issues	+11 post in the last 7 days, 1 the 7 days before (steady)
Critical work in Excel is fragile and manualAnalytics and BIExcel, PyPI, Polars4d activeSeen on Hacker News, Reddit, GitHub issues	Excel, PyPI, Polars	4d activesince Sep 2	Seen on Hacker News, Reddit, GitHub issues	+11 post in the last 7 days, 1 the 7 days before (steady)
Apache Spark upgrades break working setupsOutages and changeApache Spark, Polars, DuckDB, PostgreSQL3d activeSeen on GitHub issues	Apache Spark, Polars, DuckDB, PostgreSQL	3d activesince Aug 28	Seen on GitHub issues	+11 post in the last 7 days, 0 the 7 days before (steady)
Bad data slips through Polars unnoticedData engineeringPolars2d activeSeen on Reddit, GitHub issuesUnverified	Polars	2d activesince Sep 4	Seen on Reddit, GitHub issues	+11 post in the last 7 days, 0 the 7 days before (steady)
Polars users keep filing bugsData engineeringPolars, GitHub, PyPI7d activeSeen on GitHub issues	Polars, GitHub, PyPI	7d activesince Aug 27	Seen on GitHub issues	+00 posts in the last 7 days, 1 the 7 days before (fading)
Trouble with Polars columnData engineeringPolars, PyPI, GitHub4d activeSeen on GitHub issues	Polars, PyPI, GitHub	4d activesince Aug 30	Seen on GitHub issues	+00 posts in the last 7 days, 1 the 7 days before (fading)
Polars upgrades break working setupsOutages and changePolars, PyPI, GitHub2d activeSeen on GitHub issues	Polars, PyPI, GitHub	2d activesince Sep 3	Seen on GitHub issues	+00 posts in the last 7 days, 0 the 7 days before (fading)
Critical work still runs on fragile spreadsheetsAnalytics and BISQL Server, Microsoft Azure, DuckDB, Excel, JetBrains, Polars3d activeSeen on Reddit, Hacker News	SQL Server, Microsoft Azure, DuckDB, Excel, JetBrains, Polars	3d activesince Aug 27	Seen on Reddit, Hacker News	+00 posts in the last 7 days, 0 the 7 days before (fading)
Trouble with Polars schemaData engineeringPolars, PyPI2d activeSeen on GitHub issues	Polars, PyPI	2d activesince Aug 29	Seen on GitHub issues	+00 posts in the last 7 days, 0 the 7 days before (fading)
Vendor support is slow or unhelpfulDev toolingInformatica, Polars2d activeSeen on Reddit, Hacker NewsUnverified	Informatica, Polars	2d activesince Sep 12	Seen on Reddit, Hacker News	+00 posts in the last 7 days, 2 the 7 days before (fading)
Trouble with Polars joinData engineeringPolars, PyPI2d activeSeen on GitHub issuesUnverified	Polars, PyPI	2d activesince Aug 29	Seen on GitHub issues	+00 posts in the last 7 days, 0 the 7 days before (fading)
Trouble with Polars rollingData engineeringPolars, PyPI2d activeSeen on GitHub issuesUnverified	Polars, PyPI	2d activesince Sep 5	Seen on GitHub issues	+00 posts in the last 7 days, 0 the 7 days before (fading)
Trouble with Polars insteadData engineeringPolars, PyPI2d activeSeen on GitHub issuesUnverified	Polars, PyPI	2d activesince Aug 28	Seen on GitHub issues	+00 posts in the last 7 days, 0 the 7 days before (fading)
Trouble with Polars parquetData engineeringPolars, PyPI2d activeSeen on GitHub issuesUnverified	Polars, PyPI	2d activesince Sep 3	Seen on GitHub issues	+00 posts in the last 7 days, 0 the 7 days before (fading)

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