manticoresoftware/manticoresearch

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Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

Stars: 12k
Forks: 642
Open beginner issues: 0
Indexed issues: 613
Avg merge: 3d 12h
Merged PRs (30d): 47

Dominant language: C++
License: GPL-3.0
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: hacktoberfest

Beginner friendly Everything

Open All

613 open issues indexed

Memory usage keeps increasing after GROUP BY on a multi-value attribute and is not released Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

manticoresoftware/manticoresearch#4920 · Opened Sep 18, 2026
Deadlock in concurrent auto-embedding inserts with persistent model cache Open

bug

manticoresoftware/manticoresearch#4915 · 1 assignee · Opened Sep 17, 2026
An apostrophe in `highlight_query` answers HTTP 500 with a parse error Open

manticoresoftware/manticoresearch#4906 · 2 comments · 1 assignee · Opened Sep 16, 2026
`highlight_query.query_string` still drops quoted expressions — the #4115 fix did not reach the JSON path Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

manticoresoftware/manticoresearch#4905 · 1 comment · Opened Sep 16, 2026
Crash after updating to 29.9.0 Open

bug waiting

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

manticoresoftware/manticoresearch#4903 · 1 comment · Opened Sep 15, 2026
EXIST() returns incorrect result when used as coordinate arguments to CONTAINS(GEOPOLY2D()) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

manticoresoftware/manticoresearch#4891 · Opened Sep 7, 2026
Optimize CLT test balancing across runners Open

est::size_M

manticoresoftware/manticoresearch#4851 · 4 comments · 1 assignee · Opened Aug 24, 2026
searchd grows unbounded until OOM when disk chunk merges fall behind ingestion Open

bug waiting

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

manticoresoftware/manticoresearch#4850 · 13 comments · Opened Aug 24, 2026
Heap corruption / SIGABRT during SST rejoin after upgrade from 29.0.1 to 29.2.2 Open

bug waiting

manticoresoftware/manticoresearch#4849 · 8 comments · 1 assignee · Opened Aug 23, 2026
Performance degradation 28.9.0+ Open

manticoresoftware/manticoresearch#4804 · 1 comment · 1 assignee · Opened Aug 13, 2026
Bug: intermittent empty highlights with allow_empty=true on distributed index containing local indexes with different morphology Open

bug

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

manticoresoftware/manticoresearch#4769 · 5 comments · Opened Aug 1, 2026
REPLACE on text field does not update full-text index until FLUSH RAMCHUNK (v28.4.4) Open

bug waiting

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

manticoresoftware/manticoresearch#4768 · 1 comment · Opened Jul 30, 2026
Support SQL table aliases consistently across SELECT queries Open

enhancement est::size_L

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

manticoresoftware/manticoresearch#4700 · Opened Jul 2, 2026
agent_persistent by default not persistent Open

bug

manticoresoftware/manticoresearch#4665 · 4 comments · 1 assignee · Opened Jun 22, 2026
Faster knn chunk merge strategy Open

est::size_L

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

manticoresoftware/manticoresearch#4637 · Opened Jun 15, 2026
CBO chooses multithreaded scan over SecondaryIndex for string-attr equality at scale; scan cost estimate ignores row width (300-1000x slower than hinted SI) Open

waiting

manticoresoftware/manticoresearch#4626 · 2 comments · 1 assignee · Opened Jun 11, 2026
Grafana dashboard shows NO DATA – missing /metrics endpoint on FreeBSD build Open

waiting

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

manticoresoftware/manticoresearch#4571 · 1 comment · Opened May 12, 2026
Support dictionaries larger than 4GB Open

enhancement

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

manticoresoftware/manticoresearch#4547 · 6 comments · Opened May 4, 2026
Jieba for Chinese language crashes indexer Open

bug waiting

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

manticoresoftware/manticoresearch#4540 · 3 comments · Opened Apr 30, 2026
ICU for Chinese crashes indexer Open

bug waiting

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

manticoresoftware/manticoresearch#4539 · 1 comment · Opened Apr 30, 2026
Replication skips records inserted after FREEZE Open

bug

manticoresoftware/manticoresearch#4501 · 1 assignee · Opened Apr 22, 2026
Native prepared statements fail on multi-index SELECT with LIMIT ? and OPTION max_matches (Manticore 25.0.0) Open

bug waiting

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

manticoresoftware/manticoresearch#4494 · 1 comment · Opened Apr 20, 2026
ALTER TABLE table ADD COLUMN vector: auto embedding column should be empty Open

waiting

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

manticoresoftware/manticoresearch#4453 · 4 comments · Opened Apr 8, 2026
Access .spknn via mmap Open

enhancement

manticoresoftware/manticoresearch#4450 · 1 assignee · Opened Apr 7, 2026
Support multiple joined tables and same-table role joins in search queries Open

enhancement

manticoresoftware/manticoresearch#4440 · 1 reaction · 1 assignee · Opened Apr 3, 2026
目前在一个复制集群环境中遇到一个问题：当尝试对某个表执行 ALTER TABLE 操作时，操作会失败。 Open

bug waiting

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

manticoresoftware/manticoresearch#4412 · 1 comment · Opened Mar 27, 2026
remove subtree_xxx_cache code and options Open

bug

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

manticoresoftware/manticoresearch#4401 · Opened Mar 25, 2026
prealloc: Failed to parse model configuration on new Jina models Open

bug

manticoresoftware/manticoresearch#4382 · 1 assignee · Opened Mar 18, 2026
[FATAL ERROR]: all coroutines (count: 1) are asleep - deadlock! Open

bug

manticoresoftware/manticoresearch#4373 · 1 comment · 1 assignee · Opened Mar 14, 2026
alter table t engine='columnar' is ignored Open

bug

manticoresoftware/manticoresearch#4359 · 1 assignee · Opened Mar 11, 2026
Fuzzy search - sql match with full text operators Open

manticoresoftware/manticoresearch#4340 · 1 assignee · Opened Mar 6, 2026
NULL support for attributes Open

est::size_XL

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

manticoresoftware/manticoresearch#4328 · Opened Mar 4, 2026
HTTPS for daemon <> Buddy communication Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

manticoresoftware/manticoresearch#4310 · 1 comment · Opened Feb 27, 2026
Undocumented behavior related to mysql compatible connection Open

bug waiting

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

manticoresoftware/manticoresearch#4226 · 2 comments · Opened Feb 5, 2026
Allow "smart typecasting" on DELETE statements Open

manticoresoftware/manticoresearch#4214 · 1 comment · 1 assignee · Opened Feb 3, 2026
FATAL: CRASH DUMP: match_phrase query with highlight Open

bug waiting

Difficulty 4/5 3-5 days Newbie friendliness 38/100

manticoresoftware/manticoresearch#4206 · 6 comments · Opened Feb 2, 2026
Implement ANN & SVM Open

waiting

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

manticoresoftware/manticoresearch#4185 · 3 comments · Opened Jan 25, 2026
call keywords tokenizing mode Open

enhancement est::size_S

manticoresoftware/manticoresearch#4177 · 1 assignee · Opened Jan 22, 2026
CLT tests for "REPLACE INTO ... SELECT ... FROM" Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

manticoresoftware/manticoresearch#4169 · Opened Jan 21, 2026
parallel disk chunk merging improvements Open

bug

manticoresoftware/manticoresearch#4111 · 1 assignee · Opened Jan 7, 2026
Unstable select results immediately after data loads Open

bug

manticoresoftware/manticoresearch#4092 · 3 comments · 1 assignee · Opened Dec 30, 2025
Increase default ef for HNSW to improve recall Open

manticoresoftware/manticoresearch#4079 · 1 reaction · 1 assignee · Opened Dec 26, 2025
commit into RT table with double buffer cause wrong stats Open

bug

manticoresoftware/manticoresearch#4066 · 13 comments · 2 assignees · Opened Dec 19, 2025
Translation check error Open

bug

manticoresoftware/manticoresearch#4054 · 2 comments · 1 assignee · Opened Dec 16, 2025
Vector Query returns different results across Nodes Open

bug feature::vector_search

manticoresoftware/manticoresearch#4046 · 47 comments · 1 assignee · Opened Dec 14, 2025
WHERE IN (x) inconsistent results in current versions Open

bug est::size_S waiting

manticoresoftware/manticoresearch#4044 · 5 comments · 1 assignee · Opened Dec 12, 2025
multi stopwords Open

manticoresoftware/manticoresearch#4032 · 1 assignee · Opened Dec 10, 2025
warning for multiple stopwords Open

est::size_M

manticoresoftware/manticoresearch#4031 · 1 assignee · Opened Dec 10, 2025
add warning if the indexed data or query has terms longer `SPH_MAX_WORD_LEN` Open

est::size_XL

manticoresoftware/manticoresearch#4028 · 1 comment · 1 assignee · Opened Dec 9, 2025
make query cache to work with secondary index Open

manticoresoftware/manticoresearch#4021 · 1 assignee · Opened Dec 8, 2025

manticoresoftware/manticoresearch

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