mirrors/mongodb
mirrors/mongodb
0
0
Fork 0
mirror of https://github.com/mongodb/mongo.git synced 2024-12-01 01:21:03 +01:00
Code Issues Releases Activity

Balancer now skips a database that doesn't have any sharded collections in it

Browse Source
This commit is contained in:
Alberto Lerner 2010-05-26 09:55:34 -04:00
parent 075874207e
commit c86f376300
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
s/balance.cpp
View File

@ -87,7 +87,19 @@ namespace mongo {
auto_ptr<DBClientCursor> cursor = conn.query( ShardNS::database , BSON( "partitioned" << true ) );
while ( cursor->more() ){
BSONObj db = cursor->next();
BSONObjIterator i( db["sharded"].Obj() );
// A database may be partitioned but not yet have a sharded collection.
// 'cursor' will point to docs that do not contain the "sharded" key. Since
// there'd be nothing to balance, we want to skip those here.
BSONElement shardedColls = db["sharded"];
if ( shardedColls.eoo() ){
log(3) << "balancer: skipping database with no sharded collection ("
<< db["_id"].str() << ")" << endl;
continue;
}
BSONObjIterator i( shardedColls.Obj() );
while ( i.more() ){
BSONElement e = i.next();
BSONObj data = e.Obj().getOwned();