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Add instructions for increasing swap space

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Patrick O'Grady 2020-10-16 08:06:13 -07:00
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@ -108,8 +108,10 @@ with the command: `ulimit -n 100000`.
### Memory-Mapped Files ### Memory-Mapped Files
`rosetta-bitcoin` uses [memory-mapped files](https://en.wikipedia.org/wiki/Memory-mapped_file) to `rosetta-bitcoin` uses [memory-mapped files](https://en.wikipedia.org/wiki/Memory-mapped_file) to
persist data in the `indexer`. As a result, you **must** run `rosetta-bitcoin` on a 64-bit persist data in the `indexer`. As a result, you **must** run `rosetta-bitcoin` on a 64-bit
architecture (the virtual address space easily exceeds 100s of GBs) and may need to increase the architecture (the virtual address space easily exceeds 100s of GBs).
allocated size of swap space to avoid a kernel OOM.
If you receive a kernel OOM, you may need to increase the allocated size of swap space
on your OS. There is a great tutorial for how to do this on Linux [here](https://linuxize.com/post/create-a-linux-swap-file/).
## Architecture ## Architecture
`rosetta-bitcoin` uses the `syncer`, `storage`, `parser`, and `server` package `rosetta-bitcoin` uses the `syncer`, `storage`, `parser`, and `server` package