Bring back batching.

This commit is contained in:
Gav Wood 2016-03-13 21:54:06 +01:00
parent 0ccb9df4f1
commit 26f41b711c
3 changed files with 12 additions and 13 deletions

View File

@ -21,12 +21,13 @@ use network::NetworkError;
use rlp::DecoderError;
use io;
use std::fmt;
use hash::H256;
#[derive(Debug)]
/// Error in database subsystem.
pub enum BaseDataError {
/// An entry was removed more times than inserted.
NegativelyReferencedHash,
NegativelyReferencedHash(H256),
}
#[derive(Debug)]

View File

@ -126,6 +126,7 @@ impl JournalDB for RefCountedDB {
// of its inserts otherwise.
// record new commit's details.
let batch = DBTransaction::new();
{
let mut index = 0usize;
let mut last;
@ -145,7 +146,7 @@ impl JournalDB for RefCountedDB {
r.append(id);
r.append(&self.inserts);
r.append(&self.removes);
try!(self.backing.put(&last, r.as_raw()));
try!(batch.put(&last, r.as_raw()));
trace!(target: "rcdb", "new journal for time #{}.{} => {}: inserts={:?}, removes={:?}", now, index, id, self.inserts, self.removes);
@ -153,7 +154,7 @@ impl JournalDB for RefCountedDB {
self.removes.clear();
if self.latest_era.map_or(true, |e| now > e) {
try!(self.backing.put(&LATEST_ERA_KEY, &encode(&now)));
try!(batch.put(&LATEST_ERA_KEY, &encode(&now)));
self.latest_era = Some(now);
}
}
@ -180,12 +181,13 @@ impl JournalDB for RefCountedDB {
for i in &to_remove {
self.forward.remove(i);
}
try!(self.backing.delete(&last));
try!(batch.delete(&last));
index += 1;
}
}
let r = try!(self.forward.commit());
let r = try!(self.forward.commit_to_batch(&batch));
try!(self.backing.write(batch));
Ok(r)
}
}

View File

@ -70,15 +70,13 @@ impl OverlayDB {
let (back_value, back_rc) = x;
let total_rc: i32 = back_rc as i32 + rc;
if total_rc < 0 {
warn!("NEGATIVELY REFERENCED HASH {:?}", key);
return Err(From::from(BaseDataError::NegativelyReferencedHash));
return Err(From::from(BaseDataError::NegativelyReferencedHash(key)));
}
deletes += if self.put_payload_in_batch(batch, &key, (back_value, total_rc as u32)) {1} else {0};
}
None => {
if rc < 0 {
warn!("NEGATIVELY REFERENCED HASH {:?}", key);
return Err(From::from(BaseDataError::NegativelyReferencedHash));
return Err(From::from(BaseDataError::NegativelyReferencedHash(key)));
}
self.put_payload_in_batch(batch, &key, (value, rc as u32));
}
@ -128,15 +126,13 @@ impl OverlayDB {
let (back_value, back_rc) = x;
let total_rc: i32 = back_rc as i32 + rc;
if total_rc < 0 {
warn!("NEGATIVELY REFERENCED HASH {:?}", key);
return Err(From::from(BaseDataError::NegativelyReferencedHash));
return Err(From::from(BaseDataError::NegativelyReferencedHash(key)));
}
deletes += if self.put_payload(&key, (back_value, total_rc as u32)) {1} else {0};
}
None => {
if rc < 0 {
warn!("NEGATIVELY REFERENCED HASH {:?}", key);
return Err(From::from(BaseDataError::NegativelyReferencedHash));
return Err(From::from(BaseDataError::NegativelyReferencedHash(key)));
}
self.put_payload(&key, (value, rc as u32));
}