Search results

Remove BufReader wrapper when copying spill files to final shuffle output

performance

Status: Open.

#3834 In apache/datafusion-comet;

· andygrove opened on Mar 28, 2026

·  

0.15.0

Casting subnormal float/double to String is aligned with Spark

bugSomething isn't workingSomething isn't working

df compatibilityAny issue related to DF & Spark compatibilityAny issue related to DF & Spark compatibility

Status: Open.

#3828 In apache/datafusion-comet;

· kazuyukitanimura opened on Mar 28, 2026

SQL "order by" query returns wrong order for +0.0 and -0.0

bugSomething isn't workingSomething isn't working

df compatibilityAny issue related to DF & Spark compatibilityAny issue related to DF & Spark compatibility

Status: Open.

#3825 In apache/datafusion-comet;

· kazuyukitanimura opened on Mar 28, 2026

Shuffle memory pool accounting: peak RSS significantly exceeds configured memory limit

Status: Open.

#3821 In apache/datafusion-comet;

· andygrove opened on Mar 27, 2026

·  

0.15.0

The CRC32C algorithm is not supported by Checksum

Status: Open.

#3820 In apache/datafusion-comet;

· snmvaughan opened on Mar 27, 2026

native_datafusion doesn't use all available parallelism for scan

enhancementNew feature or requestNew feature or request

Status: Open.

#3817 In apache/datafusion-comet;

· comphead opened on Mar 27, 2026

[EPIC] Improve awslabs published results for Comet w/ TPC-DS

enhancementNew feature or requestNew feature or request

performance

Status: Open.

#3799 In apache/datafusion-comet;

· andygrove opened on Mar 26, 2026

·  

0.15.0

native_datafusion reports twice more files and bytes scanned

bugSomething isn't workingSomething isn't working

good first issueGood for newcomersGood for newcomers

native_datafusionSpecific to native_datafusion scan typeSpecific to native_datafusion scan type

priority:mediumFunctional bugs, performance regressions, broken featuresFunctional bugs, performance regressions, broken features

Status: Open.

#3791 In apache/datafusion-comet;

· comphead opened on Mar 25, 2026

[EPIC] Experiment with some different shuffle implementations

enhancementNew feature or requestNew feature or request

Status: Open.

#3778 In apache/datafusion-comet;

· andygrove opened on Mar 23, 2026

Port or enable DateTimeUtilsSuite timestamp format tests in Comet

Status: Open.

#3776 In apache/datafusion-comet;

· parthchandra opened on Mar 23, 2026

Support additional timezone offset formats in string-to-timestamp cast

Status: Open.

#3775 In apache/datafusion-comet;

· parthchandra opened on Mar 23, 2026

Fork DataFusion SMJ in Comet repo

enhancementNew feature or requestNew feature or request

Status: Open.

#3771 In apache/datafusion-comet;

· andygrove opened on Mar 23, 2026

·  

0.15.0