The below example will show you how to implement this. In this example we will make use of the task library in. Tasks are as you know a wrapper for the thread pool class and all the tasks are executed by a thread in the thread-pool. Even when we are asking the Task library to start the task, it must wait till the thread is available in the thereadpool.
If all available threads are busy, then the task must wait until one is available in the pool There are certain exceptions tough. We will not discuss those here. So, we must be careful with the timeout. If the task does not start immediately then we will have issue with the timeout. Task may timeout after the specified timeout.
To counter this, we are making use of the reset events. The reset events will tell us when did the thread started executing and from that point onwards, we will start waiting for the task to timeout. The example below is trying to run the same process multiple times and is trying to collect and print the output from the process. The code is written for example purpose.
The project code is available at the github page ProcessOutputCollection. Parquet is a binary file format designed with big data in mind where we must access data frequently and efficiently. The way it stores file on the disk is also different from other file formats. It is a column-based data file. And in reality it uses both row based and column based approach to bring the best of both worlds.
The data is encoded on disk which ensures that the size remains small compared to actual data and is then compressed where the file is scanned as whole and cut out redundant parts. Nested data is handled efficiently which is quite cumbersome in other file format to achieve. This makes it efficient in reading data. Works quite efficiently with data processing frameworks. Automatically stores schema information.
SQL querying is possible with this file format using Continue reading. I am currently working as a lead engineer in one of the leading wind turbine manufacturing firm. I have wide range of interests and getting my hands dirty in technology is one among them. I use this platform primarily as my knowledge base. I also use this platform to share my experience and experiments so that it might help someone who is walking the way I already did. The suggestions expressed here are the best to my knowledge at the time of writing and this may not necessarily be the best possible solution.
The solution is to use asynchronous reads to ensure that the buffer doesn't get full. To avoid any deadlocks and collect up all output from both StandardOutput and StandardError you can do this:. ProcessStartInfo "TheProgram. Join " ", args ; info. Hidden; info. Start info ; p. WaitForExit ; Console. WriteLine p. Best Solution. Whatever order you use, there can be a problem: If you wait for the process to exit before reading StandardOutput the process can block trying to write to it, so the process never ends.
If you read from StandardOutput using ReadToEnd then your process can block if the process never closes StandardOutput for example if it never terminates, or if it is blocked writing to StandardError. AppendLine e.
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