RickyMa comments

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                                            RickyMa

fix:read inconsistent when local file read handler init before flushing event to disk

Do we still need this?

[#1675][FOLLOWUP] fix(test): Fix flaky tests which may cause port conflicts

This could be merged. Minor fixes. More stable for the test. It forgot to stop the server, which might cause port conflicts. @zuston @jerqi

[FEATURE] Show Thread Dump in DashBoard

@yl09099 If you have time. PTAL.

[FEATURE] Show Thread Dump in DashBoard

I think we can refer to the `Executors` tab in Spark UI. Something like(https://spark.apache.org/docs/latest/web-ui.html): ![image](https://github.com/apache/incubator-uniffle/assets/13834479/3d4a28b2-2160-4c20-990b-63000be6e1da) ![image](https://github.com/apache/incubator-uniffle/assets/13834479/ff32d785-477a-49bf-9efd-9950090a9589)

[FEATURE] Show read_used_buffer_size in DashBoard

@yl09099 If you have time. PTAL.

[#1699] improvement: Upgrade from commons-collections:commons-collections:3.2.2 to org.apache.commons:commons-collections:4.5.0-M1

PTAL. @jerqi @zuston

[#1699] improvement: Upgrade from commons-collections:commons-collections:3.2.2 to org.apache.commons:commons-collections:4.5.0-M1

I think it is. You can refer to https://issues.apache.org/jira/browse/SPARK-37968.

Support client partition data reassign

> I found some bugs and design problems What kind of bugs did you find? What will the bug cause? Data loss, or ... ? Can you elaborate more in...

[Improvement] Use FileChannel to replace FileOutputStream and DataOutputStream in LocalFileWriter

If you have any ideas on this, please let me know. Anyone will be welcome to pick this up.

[Bug] Unexpected exceptions happened when flushing events

Anyone will be welcome to pick this up.