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doc: inform how to reduce bitcoind memory usage

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Ben Grande 2024-02-22 21:59:43 +01:00
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salt/sys-bitcoin/README.md
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@ -114,6 +114,15 @@ specifying how many `MiB` of block files to retain:
prune=550 prune=550
``` ```
A configuration you may want to do after IBD (Initial Block Download) is to
reduce the used memory, as it is not necessary anymore to have a large cache.
As the bitcoind option `dbcache` is dynamic allocated per the qube memory,
you just need to reduce the memory available to the `sys-bitcoin` qube. From
`dom0`, run:
```sh
qvm-prefs sys-bitcoin memory 1000
```
### Bitcoin Core GUI ### Bitcoin Core GUI
Do not use the GUI in the `sys-bitcoin` qube to edit configuration, it won't Do not use the GUI in the `sys-bitcoin` qube to edit configuration, it won't