<h3 dir="auto">Apache Airflow version</h3>
<p dir="auto">Other Airflow 2 version (please specify below)</p>
<h3 dir="auto">What happened</h3>
<p dir="auto">I have a three node airflow cluster, after upgrade 2.6.0 from 2.3.4, task can't show log in webui. and when task in running state, i can see log in webui, however, after task is failed or sucess, task log is gone, only left hostname.<br>
<a target="_blank" rel="noopener noreferrer" href="https://user-images.githubusercontent.com/115528312/243629716-5657a7ec-8b4d-4191-92a5-16dc63665eb7.png"><img src="https://user-images.githubusercontent.com/115528312/243629716-5657a7ec-8b4d-4191-92a5-16dc63665eb7.png" alt="image" style="max-width: 100%;"></a></p>
<p dir="auto">by the way, airflow webserver、woker、scheduler process don't have error log.<br>
master node get logs requese is fine:<br>
<a target="_blank" rel="noopener noreferrer" href="https://user-images.githubusercontent.com/115528312/243649822-5ef8e421-95b5-4c83-a6aa-5898a9c7c20e.png"><img src="https://user-images.githubusercontent.com/115528312/243649822-5ef8e421-95b5-4c83-a6aa-5898a9c7c20e.png" alt="image" style="max-width: 100%;"></a></p>
<p dir="auto">and, use api get logs, have same issue:<br>
<a target="_blank" rel="noopener noreferrer" href="https://user-images.githubusercontent.com/115528312/243661420-340ef41a-e365-4b90-8e14-2a544ee81c72.png"><img src="https://user-images.githubusercontent.com/115528312/243661420-340ef41a-e365-4b90-8e14-2a544ee81c72.png" alt="image" style="max-width: 100%;"></a></p>
<p dir="auto">upgrade steps:</p>
<ol dir="auto">
<li>
<p dir="auto">step-1<br>
AIRFLOW_VERSION=2.6.0<br>
PYTHON_VERSION="$(python3 --version | cut -d " " -f 2 | cut -d "." -f 1-2)"<br>
pip3 install "apache-airflow==${AIRFLOW_VERSION}" --upgrade --constraint /home/airflow/deploy/upgrade/up_to_2_6_0/constraints-3.9.txt</p>
</li>
<li>
<p dir="auto">step-2<br>
kill worker process</p>
</li>
<li>
<p dir="auto">upgrade db<br>
airflow db upgrade</p>
</li>
</ol>
<h3 dir="auto">What you think should happen instead</h3>
<p dir="auto"><em>No response</em></p>
<h3 dir="auto">How to reproduce</h3>
<p dir="auto">upgrade 2.6.0 from 2.3.4</p>
<h3 dir="auto">Operating System</h3>
<p dir="auto">centos7.6</p>
<h3 dir="auto">Versions of Apache Airflow Providers</h3>
<p dir="auto">2.6.0</p>
<h3 dir="auto">Deployment</h3>
<p dir="auto">Other</p>
<h3 dir="auto">Deployment details</h3>
<p dir="auto"><em>No response</em></p>
<h3 dir="auto">Anything else</h3>
<p dir="auto"><em>No response</em></p>
<h3 dir="auto">Are you willing to submit PR?</h3>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Yes I am willing to submit a PR!</li>
</ul>
<h3 dir="auto">Code of Conduct</h3>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I agree to follow this project's <a href="https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md">Code of Conduct</a></li>
</ul>
<p dir="auto"><strong>Description</strong></p>
<p dir="auto">The old documentation for <a href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=139628154" rel="nofollow">First time contributor's</a> should be reviewed and incorporated in <a href="https://airflow.apache.org/blog/" rel="nofollow">Apache Airflow Blog</a></p>
<p dir="auto"><strong>Use case / motivation</strong></p>
<p dir="auto">To remove documentation duplication and clean it up.</p>
<p dir="auto"><strong>Related Issues</strong></p>
<p dir="auto"><a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="673709470" data-permission-text="Title is private" data-url="https://github.com/apache/airflow/issues/10178" data-hovercard-type="issue" data-hovercard-url="/apache/airflow/issues/10178/hovercard" href="https://github.com/apache/airflow/issues/10178">#10178</a></p>