Adding readme for cdc data generator template#3869
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces a detailed README file for the CDC Data Generator Dataflow template. The documentation provides users with essential information on how to configure, run, and troubleshoot the pipeline, including support for both Cloud Spanner and MySQL sinks. Highlights
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Code Review
This pull request introduces a comprehensive User Guide (README.md) for the CDC Data Generator, detailing its core use cases, architecture, consistency guarantees, and configuration parameters. The review feedback highlights minor syntax inconsistencies in the Mermaid sequence diagram, specifically recommending the use of lowercase "note" instead of capitalized "Note" to ensure reliable rendering across different Markdown parsers.
| Note over Child: T0+1s to T0+4s: Child Updates 1 to 4 execute | ||
| Note over Parent, Child: T0+5s: Parent Update1 & Child Update5 execute | ||
| Note over Child: T0+6s to T0+9s: Child Updates 6 to 9 execute | ||
| Note over Parent, Child: T0+10s: Parent Update2 & Child Update10 execute |
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In Mermaid sequence diagrams, keywords are case-sensitive. The standard keyword for a note is lowercase note. Using capitalized Note can cause rendering errors in some Mermaid parsers (such as GitHub's built-in viewer) and is inconsistent with the lowercase note used elsewhere in this diagram. Please change these to lowercase note.
| Note over Child: T0+1s to T0+4s: Child Updates 1 to 4 execute | |
| Note over Parent, Child: T0+5s: Parent Update1 & Child Update5 execute | |
| Note over Child: T0+6s to T0+9s: Child Updates 6 to 9 execute | |
| Note over Parent, Child: T0+10s: Parent Update2 & Child Update10 execute | |
| note over Child: T0+1s to T0+4s: Child Updates 1 to 4 execute | |
| note over Parent, Child: T0+5s: Parent Update1 & Child Update5 execute | |
| note over Child: T0+6s to T0+9s: Child Updates 6 to 9 execute | |
| note over Parent, Child: T0+10s: Parent Update2 & Child Update10 execute |
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| rect rgb(253, 245, 230) | ||
| note right of User: T0+15s: Safe Deletion (Reverse Topological Order) | ||
| Note over Parent, Child: Deletion timer fires at T0+15s. |
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For consistency and to prevent potential Mermaid rendering issues, use the lowercase note keyword here as well.
| Note over Parent, Child: Deletion timer fires at T0+15s. | |
| note over Parent, Child: Deletion timer fires at T0+15s. |
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Preview : https://github.com/shreyakhajanchi/DataflowTemplates/blob/cdc-readme/v2/cdc-data-generator/README.md