leonardBang commented on code in PR #2185:
URL: https://github.com/apache/fluss/pull/2185#discussion_r2727183519
##########
fluss-server/src/main/java/org/apache/fluss/server/coordinator/LakeTableTieringManager.java:
##########
@@ -83,19 +83,22 @@
* ▼ ▼
* ┌──────────┐ (lake freshness > tiering interval)
* │Scheduled ├──────┐
- * └──────────┘ ▼
- * ▲ ┌───────┐ (assign to tier service) ┌───────┐
- * | |Pending├──────────────────────────►|Tiering├─┐
- * | └───────┘ └───┬───┘ │
- * | ▲ ┌─────────────────┘ │
- * | | | (timeout or failure) | (finished)
- * | | ▼ ▼
- * | | (retry) ┌─────────┐ ┌────────┐
- * | └────────────│ Failed │ │ Tiered │
- * | └─────────┘ └────┬───┘
- * | |
- * └──────────────────────────────────────────────────────┘
- * (ready for next round of tiering)
+ * └─────▲────┘ ▼
Review Comment:
```java
* <li>Tiered: when the lake table finish(including force finished) one
round of tiering
* <li>Failed: when the lake table tiering failed
* </ul>
*
* <p>The state machine of table to be tiered is as follows:
*
* <pre>{@code
* ┌─────┐ ┌──────┐
* │ New │ │ Init │
* └──┬──┘ └──┬───┘
* ▼ ▼
* ┌──────────┐ (lake freshness > tiering interval)
* │Scheduled ├─────┐
* └─────▲────┘ │
* │ ┌───▼───┐ (assign to tier service) ┌───────┐
* │ |Pending├──────────────────────────►│Tiering├─┐
* │ └───▲───┘ └───┬───┘ │
* │ │ ┌─────────────────┘ │
* │ │ │ (timeout or failure) │ (finished)
* │ │ ▼ ▼
* │ │ (retry) ┌─────────┐ ┌────────┐
* │ │◀───────────│ Failed │ │ Tiered │
* │ │ └─────────┘ └─┬───┬──┘
* │ │ │ │
* │ │ (force finished) │ │
* │ └─────────────────────────────────────-┘ │
* │ (ready for next round) │
* └─────────────────────────────────────────────────────┘
* }</pre>
```
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