{"type":"doc","content":[{"type":"paragraph","content":[{"text":"Task queues let applications perform work, called ","type":"text"},{"text":"tasks","type":"text","marks":[{"type":"em"}]},{"text":", asynchronously outside of a user request. If an app needs to execute work in the background, it adds tasks to ","type":"text"},{"text":"task queues","type":"text","marks":[{"type":"em"}]},{"text":". The tasks are executed later, by worker services.","type":"text"}]},{"type":"paragraph","content":[{"text":"There can be multiple Task Queues working concurrently in a single Java Project.","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Audience","type":"text"}]},{"type":"paragraph","content":[{"text":"All Software backend and Mean Stack Engineers","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Why is it being used in Eshopbox?","type":"text"}]},{"type":"orderedList","attrs":{"order":1},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"If u want to perform an operation in different Thread , use TaskQueue instead.","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"If u want to restrict database operations from concurrent updates , use TaskQueue instead.","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"If u have a bulk of data to process which takes more than 10 minutes , break it into batches and queue them in a TaskQueue.","type":"text"}]}]}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Advantages of TaskQueue over Thread","type":"text"}]},{"type":"orderedList","attrs":{"order":1},"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"We can restrict maximum concurrent operations performed at an instance.","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"text":"If has a retry mechanism for failure of any task due to Errors like out of memory Error etc.","type":"text"}]}]}]},{"type":"paragraph"},{"type":"paragraph","content":[{"text":"Terminal Commands for TaskQueue","type":"text","marks":[{"type":"strong"}]}]},{"type":"taskList","attrs":{"localId":""},"content":[{"type":"taskItem","attrs":{"state":"TODO","localId":"1"},"content":[{"text":"<<<>>>","type":"text"},{"type":"hardBreak"},{"text":"gcloud config set project payment-reco-prod","type":"text"}]},{"type":"taskItem","attrs":{"state":"TODO","localId":"2"},"content":[{"text":"<<<>>>","type":"text"},{"type":"hardBreak"},{"text":"gcloud tasks queues list","type":"text"}]},{"type":"taskItem","attrs":{"state":"TODO","localId":"3"},"content":[{"text":"<<<>>>","type":"text"},{"type":"hardBreak"},{"text":"gcloud tasks queues describe ","type":"text"}]},{"type":"taskItem","attrs":{"state":"TODO","localId":"4"},"content":[{"text":"<<<>>>","type":"text"},{"type":"hardBreak"},{"text":"gcloud tasks queues create ","type":"text"}]},{"type":"taskItem","attrs":{"state":"TODO","localId":"5"},"content":[{"text":"<<<>>>","type":"text"},{"type":"hardBreak"},{"text":"gcloud tasks queues update --max-attempts=1 --min-backoff=0.100s --max-backoff=3600s --max-doublings=16 --max-retry-duration=86400s --max-concurrent-dispatches=1 --max-dispatches-per-second=1","type":"text"}]}]},{"type":"paragraph","content":[{"text":"References ","type":"text","marks":[{"type":"strong"}]}]},{"type":"paragraph","content":[{"text":"https://cloud.google.com/appengine/docs/standard/python/taskqueue/","type":"text","marks":[{"type":"link","attrs":{"href":"https://cloud.google.com/appengine/docs/standard/python/taskqueue/"}}]}]},{"type":"paragraph","content":[{"text":"https://stackoverflow.com/questions/47209759/gcp-documentation-task-queue-bucket-size-and-rate","type":"text","marks":[{"type":"link","attrs":{"href":"https://stackoverflow.com/questions/47209759/gcp-documentation-task-queue-bucket-size-and-rate"}}]}]},{"type":"paragraph","content":[{"text":"https://cloud.google.com/tasks/docs/creating-queues","type":"text","marks":[{"type":"link","attrs":{"href":"https://cloud.google.com/tasks/docs/creating-queues"}}]}]}],"version":1}

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