passer

nbdime cannot handle asynchronous contentmanager

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``` nbdime==3.1.0 jupyterlab-git==0.30.1 ``` jupyter_server_config.py ``` from jupyter_server.services.contents.largefilemanager import AsyncLargeFileManager c.ServerApp.contents_manager_class = AsyncLargeFileManager ``` error message ``` [E 2021-06-17 16:21:18.690 ServerApp] Uncaught exception POST /nbdime/api/diff?1623918078686 (::1) HTTPServerRequest(protocol='http', host='localhost:8888', method='POST', uri='/nbdime/api/diff?1623918078686',...

Timeout causes failure when the hub service is republished

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## basic info JupyterHub version: 1.3.0 We have made some extensions based on jupyterhub and customized the spawner based on our internal container service. We have a headache every time...

### Proposed change We have made some customizations based on jupyterhub, including the customization of spawner. Our spawner usually takes a long time (3mins ~ 5mins). When the user selects...

[StaticFileHandler] get static file slowly

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## Hello! Why sometimes it is very slow for me to get static files locally ### I used the command ```cmd wget localhost:30080/static/xx.js ```  ### But when I kill...

hello, I try to compile the project refer to this [document](https://almond.sh/docs/dev-from-sources) ```bash git clone https://github.com/almond-sh/almond.git cd almond sbt jupyterStart shell ``` but it failed, I searched a lot of blogs...

**hello, I start spark in the scala kernel through the following code** ```scala import org.apache.log4j.{Level, Logger} Logger.getLogger("org").setLevel(Level.OFF) import org.apache.spark.sql._ import org.apache.spark.{SparkConf, SparkContext} val conf = { new SparkConf() .setAppName("Jupyter") .setMaster("yarn")...

code snippets' ContentManager should be configurable

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## Detail We need to configure a persistent directory because all of our labs are running on docker. And I think it would be better that code snippets' ContentManager is...

An exception occurred when the kernel restarted, causing it to keep restarting

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 kernel is restarting  ```bash [E 2022-01-10 17:45:38.522 MtSingleUserLabApp handlers:82] Exception restarting kernel Traceback (most recent call last): File "/conda/envs/notebook/lib/python3.6/site-packages/jupyter_server/services/kernels/handlers.py", line 80, in post await km.restart_kernel(kernel_id) File "/conda/envs/notebook/lib/python3.6/site-packages/mtjupyter_singleuser/kernelmanager.py", line...

[Bug] cpu usage is not accurate

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now ```python if config.track_cpu_percent: cpu_count = psutil.cpu_count() cpu_percent = await self._get_cpu_percent(all_processes) if config.cpu_limit != 0: limits["cpu"] = {"cpu": config.cpu_limit} if config.cpu_warning_threshold != 0: limits["cpu"]["warn"] = (config.cpu_limit - cpu_percent) < (...

After installing this plugin, if there are many kernels running, it will become laggy

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# reproduce step 1. install ``` conda create -n jupyterlab3.1.18 python=3.6.7 source activate jupyterlab3.1.18 pip install jupyterlab==3.1.18 jupyterlab-system-monitor jupyter lab ``` 2. open many kernels 3. UI interface will become...