Do not force compact rocksdb on startup

We have realized that force compacting an archive node with more than 600GB of disk is not such a great idea :)
It takes up to 1h and 30min for the node to finish this task. Subsequent starts are also not faster..

Author: bkchr

kvdb-rocksdb/CHANGELOG.md

@@ -6,7 +6,8 @@ The format is based on [Keep a Changelog].
 
 ## [Unreleased]
 
-## [0.20.2] - 2025-11-17
+## [0.20.2] - 2025-11-28
+- Do not force compact on startup of a node [#951](https://github.com/paritytech/parity-common/pull/951)
 - Make snappy and jemalloc configurable features [#950](https://github.com/paritytech/parity-common/pull/950)
 
 ## [0.20.1] - 2025-11-07

kvdb-rocksdb/src/lib.rs

@@ -354,7 +354,7 @@ impl Database {
 			Self::open_primary(&opts, path.as_ref(), config, column_names.as_slice(), &block_opts)?
 		};
 
-		let db = Database {
+		Ok(Database {
 			inner: DBAndColumns { db, column_names },
 			config: config.clone(),
 			opts,
@@ -363,14 +363,7 @@ impl Database {
 			block_opts,
 			stats: stats::RunningDbStats::new(),
 			last_compaction: Mutex::new(Instant::now()),
-		};
-
-		// After opening the DB, we want to compact it.
-		//
-		// This just in case the node crashed before to ensure the db stays fast.
-		db.force_compaction()?;
-
-		Ok(db)
+		})
 	}
 
 	/// Internal api to open a database in primary mode.