if I want to send like messages to 5000+ users in nodejs, which takes a long time + I dont want it to be render blocking, is Worker threads what I need? the docs says: Workers (threads) are useful for…
new php parallel. it's new and there is no troubleshooting about it anywhere and the only documentation about it, is php.net itself which is not enough. this is what I did (per instructions): installed latest version of WAMP(3.1.9 x64). installed…
When using QueueBackgroundWorkItem, is there any difference in the below two ways of calling a method that performs async operations like api calls? HostingEnvironment.QueueBackgroundWorkItem(async cancellationToken => { var result = await LongRunningMethodAsync(); }); Or the following: HostingEnvironment.QueueBackgroundWorkItem(cancellationToken => LongRunningMethodAsync()); I'm…
I have an AtomicList type: public struct AtomicList<Element> { public var values: [Element] = [] private let queue = DispatchQueue(label: UUID().uuidString) public var last: Element? { self.queue.sync { return self.values.last } } public mutating func append(item: Element) { self.queue.sync {…
I have a requirement recently, which is as follows. There is a table with utmost 50000 rows, each of which has to be read, run a process depending on the data (which takes approx. 30-40 secs for each row.). Since…
I wanted to perform hashing of a stream of input messages in multithreading, so was trying to implement std::vector<std::future<HashData>> futures; but the program aborts from abort.h when debugging in Visual Studio 2019. Code Snippet: std::vector<std::future<HashData>> futures; std::vector<std::string> messages; for (int…
I want to split jobs among multiple std::thread workers and continue once they are all done. To do so, I implemented a thread pool class mainly based on this SO answer. I noticed, however, that my benchmarks can get stuck,…
Recently I have been doing some tests with C# multi-threaded performance, below are the tests and the result: Note that all the tests run three times for an array with the size of 1000000, the first run on the main…
I tested a mysql cluster using sysbench to figure out a sweet spot to set maximum threads to. In my endevours I came across the threads option in sysbench. --threads=N I also came across the thread_pool_size in Mysql Thread pool…
I have a Windows service that reads data from the database and processes this data using multiple REST API calls. Originally, this service ran on a timer where it would read unprocessed data from the database and process it using…