39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
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import logging
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from datetime import timedelta, datetime
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from app import app
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from data.database import UseThenDisconnect
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from data.queue import delete_expired
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from workers.worker import Worker
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logger = logging.getLogger(__name__)
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DELETION_DATE_THRESHOLD = timedelta(days=1)
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DELETION_COUNT_THRESHOLD = 50
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BATCH_SIZE = 500
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QUEUE_CLEANUP_FREQUENCY = app.config.get('QUEUE_CLEANUP_FREQUENCY', 60*60*24)
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class QueueCleanupWorker(Worker):
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def __init__(self):
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super(QueueCleanupWorker, self).__init__()
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self.add_operation(self._cleanup_queue, QUEUE_CLEANUP_FREQUENCY)
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def _cleanup_queue(self):
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""" Performs garbage collection on the queueitem table. """
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with UseThenDisconnect(app.config):
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while True:
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# Find all queue items older than the threshold (typically a week) and delete them.
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expiration_threshold = datetime.now() - DELETION_DATE_THRESHOLD
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deleted_count = delete_expired(expiration_threshold, DELETION_COUNT_THRESHOLD, BATCH_SIZE)
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if deleted_count == 0:
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return
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if __name__ == "__main__":
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worker = QueueCleanupWorker()
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worker.start()
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