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3Is it an option to store the changes themselves in an append-only manner and only reconstruct the full state of a call when needed?Bart van Ingen Schenau– Bart van Ingen Schenau2021-01-26 07:43:20 +00:00Commented Jan 26, 2021 at 7:43
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Is noSql a hard requirement, or have you concidered using a database with support for transactions (postgresql.org/docs/current/tutorial-transactions.html)? Also, retry loops are indeed sloppy, look for an event queue patterns.lg– s.lg2021-01-26 10:23:23 +00:00Commented Jan 26, 2021 at 10:23
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+1 for Bart's suggestion. You can partition the changes by phone number for example. You can also have an hourly/daily process that processes all "closed" calls to reduce the amount of data stored.Stack Exchange Broke The Law– Stack Exchange Broke The Law2021-01-26 16:58:08 +00:00Commented Jan 26, 2021 at 16:58
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@BartvanIngenSchenau I am trying to model most requests that way as much as possible, but there will be an occasional update that overwrites a value.widavies– widavies2021-01-26 18:53:55 +00:00Commented Jan 26, 2021 at 18:53
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@s.lg It's not a hard requirement, just chosen for its horizontal scalability. Horizontal scalability is important in this application.widavies– widavies2021-01-26 18:54:19 +00:00Commented Jan 26, 2021 at 18:54
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