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Code Issues Releases Activity

SERVER-623 specify fastsync on both nodes to eliminate slow oplog scan by new pair master

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This commit is contained in:
Aaron 2010-02-16 20:50:55 -08:00
parent 23475ac37f
commit 241ec02cae
3 changed files with 27 additions and 9 deletions
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15
jstests/repl/snapshot2.js
View File

@ -14,23 +14,30 @@ rp.start();
rp.waitForSteadyState();
big = new Array( 2000 ).toString();
for( i = 0; i < 1000; ++i )
rp.slave().setSlaveOk();
for( i = 0; i < 1000; ++i ) {
rp.master().getDB( baseName )[ baseName ].save( { _id: new ObjectId(), i: i, b: big } );
if ( i % 250 == 249 ) {
assert.soon( function() { return i+1 == rp.slave().getDB( baseName )[ baseName ].count(); } );
}
}
rp.master().getDB( "admin" ).runCommand( {fsync:1,lock:1} );
leftMaster = ( rp.master().host == rp.left().host );
rp.killNode( rp.slave() );
if ( leftMaster ) {
copyDbpath( basePath + "-left", basePath + "-right" );
rp.right_.extraArgs_ = [ "--fastsync" ];
} else {
copyDbpath( basePath + "-right", basePath + "-left" );
rp.left_.extraArgs_ = [ "--fastsync" ];
}
rp.master().getDB( "admin" ).$cmd.sys.unlock.findOne();
assert.commandWorked( rp.master().getDB( "admin" ).runCommand( {replacepeer:1} ) );
rp.killNode( rp.master() );
clearRawMongoProgramOutput();
rp.right_.extraArgs_ = [ "--fastsync" ];
rp.left_.extraArgs_ = [ "--fastsync" ];
rp.start( true );
rp.waitForSteadyState();
assert.eq( 1000, rp.master().getDB( baseName )[ baseName ].count() );

12
jstests/repl/snapshot3.js
View File

@ -17,7 +17,9 @@ big = new Array( 2000 ).toString();
rp.slave().setSlaveOk();
for( i = 0; i < 1000; ++i ) {
rp.master().getDB( baseName )[ baseName ].save( { _id: new ObjectId(), i: i, b: big } );
assert.soon( function() { return i+1 == rp.slave().getDB( baseName )[ baseName ].count(); } );
if ( i % 250 == 249 ) {
assert.soon( function() { return i+1 == rp.slave().getDB( baseName )[ baseName ].count(); } );
}
}
rp.slave().getDB( "admin" ).runCommand( {fsync:1,lock:1} );
@ -25,15 +27,17 @@ leftSlave = ( rp.slave().host == rp.left().host );
rp.killNode( rp.master() );
if ( leftSlave ) {
copyDbpath( basePath + "-left", basePath + "-right" );
rp.right_.extraArgs_ = [ "--fastsync" ];
} else {
copyDbpath( basePath + "-right", basePath + "-left" );
rp.left_.extraArgs_ = [ "--fastsync" ];
}
rp.slave().getDB( "admin" ).$cmd.sys.unlock.findOne();
assert.commandWorked( rp.slave().getDB( "admin" ).runCommand( {replacepeer:1} ) );
rp.killNode( rp.slave() );
clearRawMongoProgramOutput();
rp.right_.extraArgs_ = [ "--fastsync" ];
rp.left_.extraArgs_ = [ "--fastsync" ];
rp.start( true );
rp.waitForSteadyState();
assert.eq( 1000, rp.master().getDB( baseName )[ baseName ].count() );

9
shell/utils.cpp
View File

@ -218,7 +218,13 @@ namespace mongo {
out = out.substr( len - 100000, 100000 );
return BSON( "" << out );
}
BSONObj ClearRawMongoProgramOutput( const BSONObj &args ) {
boost::mutex::scoped_lock lk( mongoProgramOutputMutex );
mongoProgramOutput_.str( "" );
return undefined_;
}
class ProgramRunner {
vector<string> argv_;
int port_;
@ -660,6 +666,7 @@ namespace mongo {
scope.injectNative( "stopMongoProgram", StopMongoProgram );
scope.injectNative( "stopMongoProgramByPid", StopMongoProgramByPid );
scope.injectNative( "rawMongoProgramOutput", RawMongoProgramOutput );
scope.injectNative( "clearRawMongoProgramOutput", ClearRawMongoProgramOutput );
//can't access filesystem
scope.injectNative( "removeFile" , removeFile );