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Commit f9a7c27

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‎README.md

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## About
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ZSON is a PostgreSQL extension for transparent JSONB compression. Compression is based on a shared dictionary of strings most frequently used in specific JSONB documents (not only keys, but also values, array elements, etc). ZSON allows to safe ~ 50% of disk space and gain more TPS because of lower I/O. Memory is saved as well.
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ZSON is a PostgreSQL extension for transparent JSONB compression. Compression is based on a shared dictionary of strings most frequently used in specific JSONB documents (not only keys, but also values, array elements, etc).
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In some cases ZSON can save half of your disk space and give you about 10% more TPS. Memory is saved as well. Everything depends on your data and workload though. Don't believe any benchmarks, re-check everything on your data, configuration, hardware, workload, PostgreSQL version, etc. See [docs/benchmark.md](docs/benchmark.md).
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ZSON was originally created in 2016 by [Postgres Professional](https://postgrespro.ru/) team: researched and coded by [Aleksander Alekseev](http://eax.me/); ideas, code review, testing, etc by [Alexander Korotkov](http://akorotkov.github.io/) and [Teodor Sigaev](http://www.sigaev.ru/).
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However, developers usually know when they change a schema significantly. It's also easy to re-check whether current schema differs a lot from the original using zson_dict table.
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## Benchmark
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**TL;DR** In some cases ZSON can save half of your disk space and give you about 10% more TPS. Memory is saved as well. Everything depends on your data and workload though. Don't believe any benchmarks, re-check everything on your data, configuration, hardware, workload, PostgreSQL version, etc.
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See [docs/benchmark.md](docs/benchmark.md).

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