FT App on Android & iOS
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We quickly had to figure out a way to reduce the costs of PUT requests to S3; in our case, a separate PUT request for each row would cost us tens of thousands of dollars per month! To solve this problem, instead of writing each payload individually and storing its key, we'd essentially compress individual payloads and concatenate them into a single, larger file, and we'd store a pointer to the start index and the length of each payload for retrieval.
Clear ownership + async updates
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self.conn.close()