disable wal when commiting transactions

This commit is contained in:
NikVolf 2016-06-27 22:12:23 +03:00
parent dc79e63db7
commit f94f061f6a
2 changed files with 8 additions and 5 deletions

4
Cargo.lock generated
View File

@ -1103,7 +1103,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "rocksdb"
version = "0.4.5"
source = "git+https://github.com/ethcore/rust-rocksdb#6f3c68f5f075433d206be4af6a620651cd9f8541"
source = "git+https://github.com/ethcore/rust-rocksdb#9be41e05923616dfa28741c58b22776d479751e6"
dependencies = [
"libc 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
"rocksdb-sys 0.3.0 (git+https://github.com/ethcore/rust-rocksdb)",
@ -1112,7 +1112,7 @@ dependencies = [
[[package]]
name = "rocksdb-sys"
version = "0.3.0"
source = "git+https://github.com/ethcore/rust-rocksdb#6f3c68f5f075433d206be4af6a620651cd9f8541"
source = "git+https://github.com/ethcore/rust-rocksdb#9be41e05923616dfa28741c58b22776d479751e6"
dependencies = [
"gcc 0.3.28 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",

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@ -18,7 +18,7 @@
use std::default::Default;
use rocksdb::{DB, Writable, WriteBatch, IteratorMode, DBVector, DBIterator,
IndexType, Options, DBCompactionStyle, BlockBasedOptions, Direction};
IndexType, Options, WriteOptions, DBCompactionStyle, BlockBasedOptions, Direction};
const DB_BACKGROUND_FLUSHES: i32 = 2;
const DB_BACKGROUND_COMPACTIONS: i32 = 2;
@ -169,6 +169,7 @@ impl Database {
opts.set_max_background_flushes(DB_BACKGROUND_FLUSHES);
opts.set_max_background_compactions(DB_BACKGROUND_COMPACTIONS);
if let Some(cache_size) = config.cache_size {
// half goes to read cache
opts.set_block_cache_size_mb(cache_size as u64 / 2);
@ -200,7 +201,7 @@ impl Database {
opts.set_prefix_extractor_fixed_size(size);
}
let db = try!(DB::open(&opts, path));
Ok(Database { db: db })
Ok(Database { db: db, })
}
/// Insert a key-value pair in the transaction. Any existing value value will be overwritten.
@ -215,7 +216,9 @@ impl Database {
/// Commit transaction to database.
pub fn write(&self, tr: DBTransaction) -> Result<(), String> {
self.db.write(tr.batch)
let mut write_opts = WriteOptions::new();
write_opts.disable_wal(true);
self.db.write_opt(tr.batch, &write_opts)
}
/// Get value by key.