elastic/ml-cpp

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Machine learning C++ code

Stars: 157
Forks: 67
Open beginner issues: 0
Indexed issues: 59
Avg merge: 17h 52m
Merged PRs (30d): 20

Dominant language: C++
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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58 open issues indexed

CGlobalCategoryId holds a raw back-pointer to the mapper's categorizer key, which dangles after clone() Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

elastic/ml-cpp#3144 · Opened Aug 6, 2026
[ML] --skipModelValidation is compiled out of distributed builds, so graph-validation cannot be disabled in production Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

elastic/ml-cpp#3098 · Opened Jul 23, 2026
[ML] Report actual memory usage for pytorch_inference process Open

:ml >enhancement

elastic/ml-cpp#2885 · 1 comment · 1 assignee · Opened Dec 9, 2025
autodetect fails to restore categorizer Open

:ml >bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

elastic/ml-cpp#2875 · 6 comments · Opened Oct 30, 2025
NaN Propagation Causes SIGSEGV in Autodetect Process Open

:ml >bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

elastic/ml-cpp#2874 · Opened Oct 29, 2025
[ML] Discrepancy between the typical values in the record and anomaly_score_explanation Open

:ml >bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

elastic/ml-cpp#2827 · Opened Mar 11, 2025
[ML] Add tzdata as test target requirement for Linux and MacOS Open

>build v8.17.0

Difficulty 3/5 1-2 days Newbie friendliness 35/100

elastic/ml-cpp#2771 · 2 comments · Opened Oct 24, 2024
[ML] Anomaly detection fails to identify linear trend Open

:ml >bug 8.15.3 v8.16.0 v9.0.0

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#2740 · 1 comment · Opened Sep 20, 2024
[ML] Typical value slow adaptation Open

>bug 8.15.3 v8.16.0 v9.0.0

elastic/ml-cpp#2730 · 1 assignee · Opened Sep 18, 2024
Delayed data detected when categorization job is in hard limit Open

>bug good first issue

Difficulty 4/5 3-5 days Newbie friendliness 25/100

elastic/ml-cpp#2704 · Opened Aug 12, 2024
[ML] Investigate / fix degraded anomaly detection performance on specific QA test sets Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

elastic/ml-cpp#2665 · 1 comment · Opened May 15, 2024
Poor anomaly detection for mean function with nearly all zero values Open

>bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

elastic/ml-cpp#2637 · Opened Mar 6, 2024
[ML] Calendar dependent periodic components Open

>enhancement affects-results

Difficulty 5/5 Over a week Newbie friendliness 20/100

elastic/ml-cpp#2599 · Opened Nov 28, 2023
[ML] After Boost 1.83 upgrade murmur hash is no longer faster than Boost hash Open

:ml

Difficulty 1/5 Under an hour Newbie friendliness 20/100

elastic/ml-cpp#2574 · Opened Sep 29, 2023
[ML] Adjust the behavior of `skip_result` custom rules Open

:ml

Difficulty 4/5 3-5 days Newbie friendliness 28/100

elastic/ml-cpp#2553 · 2 comments · Opened Aug 11, 2023
[ML] macOS: Controller process sometimes terminated with SIGKILL Open

>build

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#2429 · 2 comments · Opened Jan 4, 2023
[ML] Explore if we can handle sudden changes in the period of seasonality better Open

>enhancement affects-results

Difficulty 5/5 Over a week Newbie friendliness 20/100

elastic/ml-cpp#2425 · Opened Nov 30, 2022
[ML] Expose anomaly job level parameter to control how quickly modelling will adapt unpredicted values Open

>enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

elastic/ml-cpp#2405 · Opened Sep 22, 2022
[ML] Investigate optimizing CTokenListCategory::updateOrderedCommonTokenIds Open

:ml

Difficulty 5/5 Over a week Newbie friendliness 35/100

elastic/ml-cpp#2403 · Opened Sep 7, 2022
[ML] Migrate CPersistUtils to use std::string_view Open

>enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

elastic/ml-cpp#2340 · Opened Jun 30, 2022
[ML] CI failure in CKMostCorrelatedTest/testScale Open

>test-failure

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#2330 · 1 comment · Opened Jun 27, 2022
[ML] Investigate replacing uses of bash and other Unix tools in CMake build system with platform independent code Open

:ml >build discuss

Difficulty 5/5 Over a week Newbie friendliness 30/100

elastic/ml-cpp#2311 · 6 comments · Opened Jun 16, 2022
[ML] Stopping criterion on adding new trees to the forest Open

:ml/DataFrameAnalysis

Difficulty 5/5 Over a week Newbie friendliness 35/100

elastic/ml-cpp#2241 · Opened Mar 23, 2022
[ML] Use hashing for categorical data Open

:ml/DataFrameAnalysis >feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

elastic/ml-cpp#2199 · 2 comments · Opened Feb 7, 2022
[ML] lat_long anomaly not detected anymore Open

:ml

Difficulty 4/5 3-5 days Newbie friendliness 32/100

elastic/ml-cpp#2162 · Opened Dec 17, 2021
[ML] Missing influencer values which annotate all documents in a time bucket Open

:ml >bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

elastic/ml-cpp#2064 · 1 comment · Opened Oct 6, 2021
[ML] Failure in CBoostedTreeTest/testMseIncrementalForTargetDrift Open

:ml/DataFrameAnalysis >test-failure

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#2033 · 2 comments · Opened Sep 20, 2021
[ML] CStringStoreTest.testStringStore failure Open

>test-failure v8.0.0

Difficulty 3/5 1-2 days Newbie friendliness 35/100

elastic/ml-cpp#2019 · 2 comments · Opened Sep 8, 2021
[ML] Make it easier to map the autodetect process to Job ID Open

>enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 45/100

elastic/ml-cpp#1996 · Opened Aug 19, 2021
[ML] overall_accuracy is low for an imbalanced classification Open

:ml/DataFrameAnalysis >bug good first issue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#1955 · 1 comment · Opened Jul 20, 2021
[ML] Include memory required for persistence in data frame analytics memory estimates Open

:ml/DataFrameAnalysis

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#1900 · Opened May 13, 2021
[ML] Don't try to change the OOM score adjustment when running under Kubernetes Open

:ml

Difficulty 4/5 3-5 days Newbie friendliness 25/100

elastic/ml-cpp#1899 · 1 comment · 1 reaction · Opened May 13, 2021
[ML] Read one object at a time for incremental training state Open

>enhancement

elastic/ml-cpp#1898 · 1 assignee · Opened May 12, 2021
[CI] CBoostedTreeTest.testLinear fails consistently in linux-aarch64 debug builds Open

>test-failure

elastic/ml-cpp#1886 · 1 assignee · Opened Apr 30, 2021
[ML] Move computation of loss value in a single place Open

>refactoring

Difficulty 5/5 Over a week Newbie friendliness 25/100

elastic/ml-cpp#1860 · Opened Apr 21, 2021
[ML] Incorrect hyperparameter importance computation Open

:ml/DataFrameAnalysis >bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

elastic/ml-cpp#1859 · Opened Apr 20, 2021
[ML] Implement the strategy for data summarization. Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

elastic/ml-cpp#1834 · Opened Mar 26, 2021
[ML] Boosted tree incremental training memory estimation Open

:ml/DataFrameAnalysis >enhancement

elastic/ml-cpp#1790 · 1 assignee · Opened Mar 3, 2021
[ML] Per detector data filtering Open

>enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

elastic/ml-cpp#1757 · Opened Feb 20, 2021
[ML] Show influencer actual values Open

>enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

elastic/ml-cpp#1756 · Opened Feb 20, 2021
[ML] Maximise minimum recall issues when classes are mainly separable Open

:ml/DataFrameAnalysis >enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

elastic/ml-cpp#1720 · Opened Feb 3, 2021
[ML] Hyperparameter optimization logging Open

:ml Meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

elastic/ml-cpp#1713 · Opened Feb 1, 2021
[ML] Supporting multiple partition fields Open

:ml >enhancement discuss

Difficulty 5/5 Over a week Newbie friendliness 25/100

elastic/ml-cpp#1704 · 1 comment · Opened Jan 28, 2021
[ML] Peak memory usage reported to end user can decrease Open

:ml >bug discuss

Difficulty 5/5 Over a week Newbie friendliness 20/100

elastic/ml-cpp#1625 · 1 comment · Opened Dec 10, 2020
[ML] Info and debug level log throttling Open

:ml :ml/DataFrameAnalysis >enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

elastic/ml-cpp#1616 · Opened Dec 8, 2020
[ML] Refactor scaling of input values in CBayesianOptimization Open

:ml/DataFrameAnalysis >refactoring

elastic/ml-cpp#1608 · 1 assignee · Opened Dec 4, 2020
[ML] Regression job failed in coarse_parameter_search phase if dependent_variable field is unsigned_long Open

>bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#1601 · 1 comment · Opened Dec 1, 2020
[ML] Compute interaction terms for feature importance Open

:ml/DataFrameAnalysis >enhancement WIP

Difficulty 5/5 Over a week Newbie friendliness 28/100

elastic/ml-cpp#1491 · Opened Sep 16, 2020
[ML] Factor out duplicated code in model library unit tests Open

:ml >refactoring Meta

Difficulty 4/5 3-5 days Newbie friendliness 35/100

elastic/ml-cpp#1477 · 1 comment · Opened Sep 8, 2020
Investigate replacing strptime() with std::chrono::parse Open

:ml

Difficulty 5/5 Over a week Newbie friendliness 30/100

elastic/ml-cpp#1459 · 1 comment · Opened Aug 18, 2020

elastic/ml-cpp

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