wbtiger
/
foundationdb
mirror of https://github.com/apple/foundationdb.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Reverse range reads on the storage server would not pass the specified byte limit to the storage engine but would apply it to the results returned, causing a potentially significant amount of wasted reading.

This commit is contained in:
A.J. Beamon 2020-02-05 11:16:40 -08:00
parent 3f9ff9b209
commit f32d515fda
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fdbserver/storageserver.actor.cpp
View File

@ -1238,7 +1238,7 @@ ACTOR Future<GetKeyValuesReply> readRange( StorageServer* data, Version version,
if (vEnd)
readBegin = std::max( readBegin, vEnd->isClearTo() ? vEnd->getEndKey() : vEnd.key() );
Standalone<VectorRef<KeyValueRef>> atStorageVersion = wait( data->storage.readRange( KeyRangeRef(readBegin, readEnd), limit ) );
Standalone<VectorRef<KeyValueRef>> atStorageVersion = wait( data->storage.readRange( KeyRangeRef(readBegin, readEnd), limit, *pLimitBytes ) );
if (data->storageVersion() > version) throw transaction_too_old();
int prevSize = result.data.size();