Set default database file size large enough (#1363)

* make default 100mb file size * update again * fix type * little less extreme file sizes
openethereum · Jun 21, 2016 · c5f6250 · c5f6250
1 parent 951512f
commit c5f6250
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 4 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/util/src/kvdb.rs b/util/src/kvdb.rs
@@ -20,6 +20,9 @@ use std::default::Default;
 use rocksdb::{DB, Writable, WriteBatch, IteratorMode, DBVector, DBIterator,
 	IndexType, Options, DBCompactionStyle, BlockBasedOptions, Direction};
 
+const DB_FILE_SIZE_BASE: u64 = 10 * 1024 * 1024;
+const DB_FILE_SIZE_MULTIPLIER: i32 = 5;
+
 /// Write transaction. Batches a sequence of put/delete operations for efficiency.
 pub struct DBTransaction {
 	batch: WriteBatch,
@@ -64,7 +67,7 @@ impl DatabaseConfig {
 		DatabaseConfig {
 			cache_size: Some(cache_size),
 			prefix_size: None,
-			max_open_files: 256
+			max_open_files: -1,
 		}
 	}
 }
@@ -74,7 +77,7 @@ impl Default for DatabaseConfig {
 		DatabaseConfig {
 			cache_size: None,
 			prefix_size: None,
-			max_open_files: 256
+			max_open_files: -1,
 		}
 	}
 }
@@ -110,6 +113,8 @@ impl Database {
 		opts.create_if_missing(true);
 		opts.set_use_fsync(false);
 		opts.set_compaction_style(DBCompactionStyle::DBUniversalCompaction);
+		opts.set_target_file_size_base(DB_FILE_SIZE_BASE);
+		opts.set_target_file_size_multiplier(DB_FILE_SIZE_MULTIPLIER);
 		if let Some(cache_size) = config.cache_size {
 			// half goes to read cache
 			opts.set_block_cache_size_mb(cache_size as u64 / 2);