grassrootseconomics/openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

removed size tolerance

Browse Source
This commit is contained in:
Robert Habermeier 2016-06-10 15:05:20 +02:00
parent f689792481
commit b047eb29a1
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
ethcore/src/pv64/mod.rs
View File

@ -19,9 +19,6 @@
// Try to have chunks be around 16MB
const PREFERRED_CHUNK_SIZE: usize = 16 * 1024 * 1024;
// But tolerate ones within a quarter of a megabyte of that size.
const SIZE_TOLERANCE: usize = 250 * 1024;
use std::collections::VecDeque;
use std::fs::File;
use std::io::Write;
@ -70,10 +67,9 @@ impl<'a> BlockChunker<'a> {
let new_loaded_size = loaded_size + (block.len() + receipts.len());
// todo [rob]: find a better chunking strategy -- this will likely
// result in the last chunk created being small.
if new_loaded_size > PREFERRED_CHUNK_SIZE + SIZE_TOLERANCE {
return true;
// cut off the chunk if too large
if new_loaded_size > PREFERRED_CHUNK_SIZE {
break;
} else {
loaded_size = new_loaded_size;
}
@ -93,7 +89,7 @@ impl<'a> BlockChunker<'a> {
// write out the data in the buffers to a chunk on disk
fn write_chunk(&mut self, path: &Path) -> H256 {
// Todo: compress raw data, put parent hash and block number into chunk.
// Todo [rob]: compress raw data, put parent hash and block number into chunk.
let mut rlp_stream = RlpStream::new_list(self.rlps.len());
for (block, receipts) in self.rlps.drain(..) {
rlp_stream.begin_list(2).append(&block).append(&receipts);