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🦾 Build your personal database administrator (D-Bot)🧑‍💻, which is good at solving database problems by reading documents, using various tools, writing analysis reports! Undergoing An Upgrade!

1. After launching the local service (adopting frontend and configs from Chatchat), you can easily import documents into the knowledge base, utilize the knowledge base for well-founded Q&A and diagnosis analysis of abnormal alarms.

2. On the online website (http://dbgpt.dbmind.cn), you can browse all historical diagnostic results, used metrics, and detailed diagnosis processes.

Old Version 1: [Gradio for Diag Game] (no langchain)

Old Version 2: [Vue for Report Replay] (no langchain)

• Human Feedback 🔥🔥🔥

• Language Support (english / chinese)

  • english : default
  • chinese : add "language: zh" in config.yaml

• New Frontend

  • Knowledgebase + Chat Q&A + Diagnosis + Report Replay

• Extreme Speed Version for localized llms

  • 4-bit quantized LLM (reducing inference time by 1/3)

  • vllm for fast inference (qwen)

  • Tiny LLM

• Multi-path extraction of document knowledge

  • Vector database (ChromaDB)

  • RESTful Search Engine (Elasticsearch)

• Expert prompt generation using document knowledge

• Upgrade the LLM-based diagnosis mechanism:

  • Task Dispatching -> Concurrent Diagnosis -> Cross Review -> Report Generation

  • Synchronous Concurrency Mechanism during LLM inference

• Support monitoring and optimization tools in multiple levels 🔗 link

  • Monitoring metrics (Prometheus)
  • Flame graph in code level
  • Diagnosis knowledge retrieval (dbmind)
  • Logical query transformations (Calcite)
  • Index optimization algorithms (for PostgreSQL)
  • Physical operator hints (for PostgreSQL)
  • Backup and Point-in-time Recovery (Pigsty)

• Papers and experimental reports are continuously updated

  • D-Bot: Database Diagnosis System using Large Language Models. [paper]

  • LLM As DBA. [vision] [中文解读] [twitter] [slides]

  • DB-GPT: Large Language Model Meets Database. [vision]

This project is evolving with new features 👫👫
Don't forget to star ⭐ and watch 👀 to stay up to date :)

• First, ensure that your machine has Python (>= 3.10) installed.

$ python --version
Python 3.10.12

• Next, create a virtual environment and install the dependencies for the project within it.

# Clone the repository
$ git clone https://github.com/TsinghuaDatabaseGroup/DB-GPT.git

# Enter the directory
$ cd DB-GPT

# Install all dependencies
$ pip3 install -r requirements.txt 
$ pip3 install -r requirements_api.txt # If only running the API, you can just install the API dependencies, please use requirements_api.txt

# Default dependencies include the basic runtime environment (Chroma-DB vector library). If you want to use other vector libraries, please uncomment the respective dependencies in requirements.txt before installation.

If fail to install google-colab, try conda install -c conda-forge google-colab

• PostgreSQL v12 (We have developed and tested based on PostgreSQL v12, we do not guarantee compatibility with other versions of PostgreSQL)

  Ensure your database supports remote connections (link)

  Moreover, install extensions like pg_stat_statements (track frequent queries), pg_hint_plan (optimize physical operators), and hypopg (create hypothetical indexes).

  Note pg_stat_statements accumulates query statistics over time. Therefore, you need to regularly clear the statistics: 1) to discard all statistics, execute "SELECT pg_stat_statements_reset();"; 2) to discard statistics for a specific query, execute "SELECT pg_stat_statements_reset(userid, dbid, queryid);".

• (optional) If you need to run this project locally or in an offline environment, you first need to download the required models to your local machine and then correctly adapt some configurations.

1. Download the model parameters of Sentence Trasformer

Create a new directory ./multiagents/localized_llms/sentence_embedding/

Place the downloaded sentence-transformer.zip in the ./multiagents/localized_llms/sentence_embedding/ directory; unzip the archive.

2. Download LLM and embedding models from HuggingFace.

To download models, first install Git LFS, then run

$ git lfs install
$ git clone https://huggingface.co/moka-ai/m3e-base
$ git clone https://huggingface.co/Qwen/Qwen-1_8B-Chat

3. Adapt the model configuration to the download model paths, e.g.,

EMBEDDING_MODEL = "m3e-base"
LLM_MODELS = ["Qwen-1_8B-Chat"]
MODEL_PATH = {
    "embed_model": {
        "m3e-base": "m3e-base", # Download path of embedding model.
    },

    "llm_model": {
        "Qwen-1_8B-Chat": "Qwen-1_8B-Chat", # Download path of LLM.
    },
}

4. Download and config localized LLMs.

Copy the configuration files

$ python copy_config_example.py
# The generated configuration files are in the configs/ directory
# basic_config.py is the basic configuration file, no modification needed
# diagnose_config.py is the diagnostic configuration file, needs to be modified according to your environment.
# kb_config.py is the knowledge base configuration file, you can modify DEFAULT_VS_TYPE to specify the storage vector library of the knowledge base, or modify related paths.
# model_config.py is the model configuration file, you can modify LLM_MODELS to specify the model used, the current model configuration is mainly for knowledge base search, diagnostic related models are still hardcoded in the code, they will be unified here later.
# prompt_config.py is the prompt configuration file, mainly for LLM dialogue and knowledge base prompts.
# server_config.py is the server configuration file, mainly for server port numbers, etc.

Initialize the knowledge base

$ python init_database.py --recreate-vs

Start the project with the following commands

$ python startup.py -a

If started correctly, you will see the following interface

1. FastAPI Docs Interface

2. Web UI Launch Interface Examples:

• Web UI Knowledge Base Management Page：

• Web UI Conversation Interface:

• Web UI UI Diagnostic Page：

• (optional) Enable slow query log in PostgreSQL (link)

  (1) For "systemctl restart postgresql", the service name can be different (e.g., postgresql-12.service);

  (2) Use absolute log path name like "log_directory = '/var/lib/pgsql/12/data/log'";

  (3) Set "log_line_prefix = '%m [%p] [%d]'" in postgresql.conf (to record the database names of different queries).

• (optional) Prometheus

  Check prometheus.md for detailed installation guides.

We put multiple test cases under the test_case folder. You can select a case file on the front-end page for diagnosis or use the command line.

python3 run_diagnose.py --anomaly_file ./test_cases/testing_cases_5.json --config_file config.yaml 

We support AlertManager for Prometheus. You can find more information about how to configure alertmanager here: alertmanager.md.

• We provide AlertManager-related configuration files, including alertmanager.yml, node_rules.yml, and pgsql_rules.yml. The path is in the config folder in the root directory, which you can deploy to your Prometheus server to retrieve the associated exceptions.
• We also provide webhook server that supports getting alerts. The path is a webhook folder in the root directory that you can deploy to your server to get and store Prometheus's alerts in files.
• Currently, the alert file is obtained using SSh. You need to configure your server information in the tool_config.yaml in the config folder.
• node_rules.yml and pgsql_rules.yml is a reference https://github.com/Vonng/pigsty code in this open source project, their monitoring do very well, thank them for their effort.

We provide scripts that trigger typical anomalies (anomalies directory) using highly concurrent operations (e.g., inserts, deletes, updates) in combination with specific test benches.

Single Root Cause Anomalies:

Execute the following command to trigger a single type of anomaly with customized parameters:

python anomaly_trigger/main.py --anomaly MISSING_INDEXES --threads 100 --columns 20 --colsize 100 --nrow 20000

Parameters:

• --anomaly: Specifies the type of anomaly to trigger.
• --threads: Sets the number of concurrent clients.
• --columns: Defines the number of columns.
• --colsize: Determines the size of each column (in bytes).
• --nrow: Indicates the number of rows.

Multiple Root Cause Anomalies:

To trigger anomalies caused by multiple factors, use the following command:

python anomaly_trigger/multi_anomalies.py

Modify the script as needed to simulate different types of anomalies.

Root Cause	Description	Potential Alerts
INSERT_LARGE_DATA	Long execution time for large data insert
FETCH_LARGE_DATA	Long execution time for large data fetch
REDUNDANT_INDEX	Unnecessary and redundant indexes in tables
VACUUM	Unused space caused by data modifications
POOR_JOIN_PERFORMANCE	Poor performance of join operators
CORRELATED_SUBQUERY	Non-promotable subqueries in SQL statements	,
LOCK_CONTENTION	Lock contention issues
CPU_CONTENTION	Severe CPU resource contention
IO_CONTENTION	IO resource contention affecting SQL performance
COMMIT_CONTENTION	Highly concurrent commits affecting SQL execution
SMALL_MEMORY_ALLOC	Too small allocated memory space

Check detailed use cases at http://dbgpt.dbmind.cn.

Click to check 29 typical anomalies together with expert analysis (supported by the DBMind team)

(Basic version by Zui Chen)

(1) If you only need simple document splitting, you can directly use the document import function in the "Knowledge Base Management Page".

(2) We require the document itself to have chapter format information, and currently only support the docx format.

Step 1. Configure the ROOT_DIR_NAME path in ./doc2knowledge/doc_to_section.py and store all docx format documents in ROOT_DIR_NAME.

Step 2. Configure OPENAI_KEY.

export OPENAI_API_KEY=XXXXX

Step 3. Split the document into separate chapter files by chapter index.

cd doc2knowledge/
python doc_to_section.py

Step 4. Modify parameters in the doc2knowledge.py script and run the script:

python doc2knowledge.py

Step 5. With the extracted knowledge, you can visualize their clustering results:

python knowledge_clustering.py

• Tool APIs (for optimization)

  Module	Functions
  index_selection (equipped)	heuristic algorithm
  query_rewrite (equipped)	45 rules
  physical_hint (equipped)	15 parameters

  For functions within [query_rewrite, physical_hint], you can use api_test.py script to verify the effectiveness.

  If the function actually works, append it to the api.py of corresponding module.

🤨 "No module named 'xxx'" on windows system.

This error is caused by issues with the Python runtime environment path. You need to perform the following steps:

Step 1: Check Environment Variables.

You must configure the "Scripts" in the environment variables.

Step 2: Check IDE Settings.

For VS Code, download the Python extension for code. For PyCharm, specify the Python version for the current project.

• Project cleaning
• Support more anomalies
• Support more knowledge sources
• Query log option (potential to take up disk space and we need to consider it carefully)
• Add more communication mechanisms
• Localized model that reaches D-bot(gpt4)'s capability
• Localized llms that are tailored with domain knolwedge and can generate precise and straigtforward analysis.
• Prometheus-as-a-Service
• Support other databases (e.g., mysql/redis)

• Tsinghua University
• ModelBest
• Enmotech

https://github.com/OpenBMB/AgentVerse

https://github.com/Vonng/pigsty

https://github.com/UKPLab/sentence-transformers

https://github.com/chatchat-space/Langchain-Chatchat

Feel free to cite us (paper link) if you like this project.

@misc{zhou2023llm4diag,
      title={D-Bot: Database Diagnosis System using Large Language Models}, 
      author={Xuanhe Zhou, Guoliang Li, Zhaoyan Sun, Zhiyuan Liu, Weize Chen, Jianming Wu, Jiesi Liu, Ruohang Feng, Guoyang Zeng},
      year={2023},
      eprint={2312.01454},
      archivePrefix={arXiv},
      primaryClass={cs.DB}
}

@misc{zhou2023dbgpt,
      title={DB-GPT: Large Language Model Meets Database}, 
      author={Xuanhe Zhou, Zhaoyan Sun, Guoliang Li},
      year={2023},
      archivePrefix={Data Science and Engineering},
}

Other Collaborators: Wei Zhou, Kunyi Li.

We thank all the contributors to this project. Do not hesitate if you would like to get involved or contribute!

👏🏻Welcome to our wechat group!