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update data flow diagram

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Azwan b. Amit 2025-11-19 11:14:52 +08:00
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@ -46,41 +46,33 @@ An **S3-compatible storage provider** (e.g., MinIO) used to store and retrieve u
## Workflow
```mermaid
flowchart TD
flowchart TB
%% STAGE 1: DATA SOURCES
A["Data Sources
(S3 / MinIO, DBs, APIs)"] -->|Ingestion Jobs| B[Apache Airflow]
subgraph src ["Data source"]
direction LR
ext_api[/"API<br>(HTTP, REST, Graph)"/]
ext_s3@{ shape: cyl, label: "Object Storage<br>(S3, MinIO, GCS)" }
ext_db@{ shape: cyl, label: "Database<br>(MySQL, PostgreSQL)" }
ext_fs@{ shape: cyl, label: "Filesystem<br>(HDFS, NAS)" }
end
%% STAGE 2: RAW STORAGE
B -->|Store Raw Data| C["Raw Zone
(S3 / MinIO)"]
subgraph emgr ["Data Platform"]
dag@{ shape: docs, label: "Python DAG" }
af["Airflow"]
tr["Trino"]
ss("Superset")
end
%% STAGE 3: TRANSFORMATION
C -->|DAG / ETL / SQL Queries| D["Trino
(Query Engine)"]
B -->|Workflow Orchestration| D
s3@{ shape: cyl, label: "S3<br>(MinIO)" }
%% STAGE 4: PROCESSED STORAGE
D -->|Write Processed Data| E["Processed / Curated Zone
(S3 / MinIO)"]
dag -- (1a)<br>Fetch<br>raw data<br>(API, SDK) --> src
dag -- (1b) --> tr
tr -- (1b)<br>Fetch<br>raw data<br>(Trino connector) --> src
af -- (2)<br>Execute<br>script --> dag
dag -- (3)<br>Store<br>processed<br>data<br>(SQL) --> tr
s3 <-- (4)<br>Read/write data<br>(Hive / Iceberg format) --> tr
ss -- (5)<br>Query<br>processed<br>data<br>(SQL) --> tr
%% STAGE 5: QUERY LAYER
E -->|Query Interface| F["Trino
(SQL Access Layer)"]
%% STAGE 6: VISUALIZATION
F -->|Data Access| G["Apache Superset
(Dashboarding & Analytics)"]
%% LABELS
classDef core fill:#4a90e2,stroke:#2c3e50,stroke-width:1px,color:white;
classDef storage fill:#6dbf4b,stroke:#2c3e50,stroke-width:1px,color:white;
classDef optional fill:#aaaaaa,stroke:#333,stroke-width:0.5px,color:white;
class B,D,F,G core;
class C,E storage;
class H1,H2,H3,H4 optional;
```
## Data Pipeline