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state-db: Print warning when using large pruning window on RocksDb (#13414)

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* state-db: Print warning when using large pruning window on RocksDb

This pr changes state-db to print a warning when using a large pruning window and running with a
database that isn't supporting ref-counting like RocksDb. This makes the user aware of potential out
of memory errors because this option together with RocksDb etc puts the entire pruning window into
memory. Besides that the pr introduces `LOG_TARGET` for having the target declared central!

* Review comments
This commit is contained in:
Bastian Köcher
2023-02-18 17:59:08 +01:00
committed by GitHub
parent 4d720a92fe
commit fdd5203add
3 changed files with 71 additions and 18 deletions
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substrate/client/state-db/src/lib.rs
+3 -1
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@@ -56,6 +56,8 @@ use std::{
fmt,
};
const LOG_TARGET: &str = "state-db";
const LOG_TARGET_PIN: &str = "state-db::pin";
const PRUNING_MODE: &[u8] = b"mode";
const PRUNING_MODE_ARCHIVE: &[u8] = b"archive";
const PRUNING_MODE_ARCHIVE_CANON: &[u8] = b"archive_canonical";
@@ -309,7 +311,7 @@ impl<BlockHash: Hash, Key: Hash, D: MetaDb> StateDbSync<BlockHash, Key, D> {
ref_counting: bool,
db: D,
) -> Result<StateDbSync<BlockHash, Key, D>, Error<D::Error>> {
trace!(target: "state-db", "StateDb settings: {:?}. Ref-counting: {}", mode, ref_counting);
trace!(target: LOG_TARGET, "StateDb settings: {:?}. Ref-counting: {}", mode, ref_counting);
let non_canonical: NonCanonicalOverlay<BlockHash, Key> = NonCanonicalOverlay::new(&db)?;
let pruning: Option<RefWindow<BlockHash, Key, D>> = match mode {