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Merge pull request #3041 from mempool/nymkappa/update-readme

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Add `--reindex` doc to backend README
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wiz 2023-02-19 10:23:59 +09:00 committed by GitHub
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@ -218,3 +218,21 @@ Generate block at regular interval (every 10 seconds in this example):
```
watch -n 10 "./src/bitcoin-cli -regtest -rpcport=8332 generatetoaddress 1 $address"
```
### Re-index tables
You can manually force the nodejs backend to drop all data from a specified set of tables for future re-index. This is mostly useful for the mining dashboard and the lightning explorer.
Use the `--reindex` command to specify a list of comma separated table which will be truncated at start. Note that a 5 seconds delay will be observed before truncating tables in order to give you a chance to cancel (CTRL+C) in case of misuse of the command.
Usage:
```
npm run start --reindex=blocks,hashrates
```
Example output:
```
Feb 13 14:55:27 [63246] WARN: <lightning> Indexed data for "hashrates" tables will be erased in 5 seconds (using '--reindex')
Feb 13 14:55:32 [63246] NOTICE: <lightning> Table hashrates has been truncated
```
Reference: https://github.com/mempool/mempool/pull/1269