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State DB error, how to fix, & relation to key-value store type

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mDuo13
2018-12-18 19:18:49 -08:00
parent 4abb07f5dc
commit 16e8b560ee
2 changed files with 13 additions and 2 deletions
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2
content/tutorials/manage-the-rippled-server/configuration/configure-full-history.md
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@@ -30,7 +30,7 @@ To configure your server to acquire and store full history, complete the followi
On a full-history server, you should use NuDB for the ledger store, because RocksDB requires too much RAM when the database is that large. For more information, see [Capacity Planning](capacity-planning.html). You can remove the following performance-related configuration options from the default `[node_db]` stanza, because they only apply to RocksDB: `open_files`, `filter_bits`, `cache_mb`, `file_size_mb`, and `file_size_mult.`
**Caution:** If you have any history already downloaded with RocksDB, you must either delete that data or change the `path` field when you switch to NuDB. Otherwise, the server may [fail to start](server-wont-start.html). <!--{# TODO: link a specific case for this error #}-->
**Caution:** If you have any history already downloaded with RocksDB, you must either delete that data or change the paths to the databases in the config file when you switch to NuDB. You must change both the `path` field of the `[node_db]` stanza **and** the `[database_path]` (SQLite database) setting. Otherwise, the server may [fail to start](server-wont-start.html#state-db-error).
{% include '_snippets/conf-file-location.md' %}<!--_ -->

13
content/tutorials/manage-the-rippled-server/troubleshooting/server-wont-start.md
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@@ -107,7 +107,7 @@ Possible solutions:
## State DB Error
The following error can occur if the `rippled` server's state database is corrupted (possibly as the result of being shutdown unexpectedly):
The following error can occur if the `rippled` server's state database is corrupted. This can occur as the result of being shutdown unexpectedly, or if you change the type of database from RocksDB to NuDB without changing the `path` and `[database_path]` settings in the config file.
```text
2018-Aug-21 23:06:38.675117810 SHAMapStore:ERR state db error:
@@ -133,6 +133,17 @@ rm -r /var/lib/rippled/db
**Tip:** It is generally safe to delete the `rippled` databases, because any individual server can re-download ledger history from other servers in the XRP Ledger network.
Alternatively, you can change the paths to the databases in the config file. For example:
```
[node_db]
type=NuDB
path=/var/lib/rippled/custom_nudb_path
[database_path]
/var/lib/rippled/custom_sqlite_db_path
```
## Online Delete is Less Than Ledger History