From e0600e5a910d99112933ac53369524bcaca3b954 Mon Sep 17 00:00:00 2001 From: carllin Date: Mon, 9 Dec 2019 00:14:09 -0800 Subject: [PATCH] Properly set parallelism (#7370) --- ledger/src/blocktree_db.rs | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/ledger/src/blocktree_db.rs b/ledger/src/blocktree_db.rs index 8d2c93ccb9..716a570c37 100644 --- a/ledger/src/blocktree_db.rs +++ b/ledger/src/blocktree_db.rs @@ -15,8 +15,6 @@ use solana_sdk::{clock::Slot, signature::Signature}; use std::{collections::HashMap, fs, marker::PhantomData, path::Path, sync::Arc}; use thiserror::Error; -// A good value for this is the number of cores on the machine -const TOTAL_THREADS: i32 = 8; const MAX_WRITE_BUFFER_SIZE: u64 = 256 * 1024 * 1024; // 256MB // Column family for metadata about a leader slot @@ -717,8 +715,7 @@ fn get_db_options() -> Options { let mut options = Options::default(); options.create_if_missing(true); options.create_missing_column_families(true); - options.increase_parallelism(TOTAL_THREADS); - options.set_max_background_flushes(4); - options.set_max_background_compactions(4); + // A good value for this is the number of cores on the machine + options.increase_parallelism(sys_info::cpu_num().unwrap() as i32); options }