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C++ NamespaceDetails::setStats方法代码示例

本文整理汇总了C++中NamespaceDetails::setStats方法的典型用法代码示例。如果您正苦于以下问题:C++ NamespaceDetails::setStats方法的具体用法?C++ NamespaceDetails::setStats怎么用?C++ NamespaceDetails::setStats使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在NamespaceDetails的用法示例。


在下文中一共展示了NamespaceDetails::setStats方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ii

    StatusWith<CompactStats> Collection::compact( const CompactOptions* compactOptions ) {

        if ( isCapped() )
            return StatusWith<CompactStats>( ErrorCodes::BadValue,
                                             "cannot compact capped collection" );

        if ( _indexCatalog.numIndexesInProgress() )
            return StatusWith<CompactStats>( ErrorCodes::BadValue,
                                             "cannot compact when indexes in progress" );

        NamespaceDetails* d = details();

        // this is a big job, so might as well make things tidy before we start just to be nice.
        getDur().commitIfNeeded();

        list<DiskLoc> extents;
        for( DiskLoc L = d->firstExtent(); !L.isNull(); L = L.ext()->xnext )
            extents.push_back(L);
        log() << "compact " << extents.size() << " extents" << endl;

        // same data, but might perform a little different after compact?
        _infoCache.reset();

        vector<BSONObj> indexSpecs;
        {
            IndexCatalog::IndexIterator ii( _indexCatalog.getIndexIterator( false ) );
            while ( ii.more() ) {
                IndexDescriptor* descriptor = ii.next();

                const BSONObj spec = _compactAdjustIndexSpec(descriptor->infoObj());
                const BSONObj key = spec.getObjectField("key");
                const Status keyStatus = validateKeyPattern(key);
                if (!keyStatus.isOK()) {
                    return StatusWith<CompactStats>(
                        ErrorCodes::CannotCreateIndex,
                        str::stream() << "Cannot rebuild index " << spec << ": "
                                      << keyStatus.reason()
                                      << " For more info see"
                                      << " http://dochub.mongodb.org/core/index-validation");
                }
                indexSpecs.push_back(spec);
            }
        }

        log() << "compact orphan deleted lists" << endl;
        d->orphanDeletedList();

        // Start over from scratch with our extent sizing and growth
        d->setLastExtentSize( 0 );

        // before dropping indexes, at least make sure we can allocate one extent!
        // this will allocate an extent and add to free list
        // if it cannot, it will throw an exception
        increaseStorageSize( _details->lastExtentSize(), true );

        // note that the drop indexes call also invalidates all clientcursors for the namespace,
        // which is important and wanted here
        log() << "compact dropping indexes" << endl;
        Status status = _indexCatalog.dropAllIndexes( true );
        if ( !status.isOK() ) {
            return StatusWith<CompactStats>( status );
        }

        getDur().commitIfNeeded();
        killCurrentOp.checkForInterrupt();

        CompactStats stats;

        MultiIndexBlock multiIndexBlock( this );
        status = multiIndexBlock.init( indexSpecs );
        if ( !status.isOK() )
            return StatusWith<CompactStats>( status );

        // reset data size and record counts to 0 for this namespace
        // as we're about to tally them up again for each new extent
        d->setStats( 0, 0 );

        ProgressMeterHolder pm(cc().curop()->setMessage("compact extent",
                                                        "Extent Compacting Progress",
                                                        extents.size()));

        int extentNumber = 0;
        for( list<DiskLoc>::iterator i = extents.begin(); i != extents.end(); i++ ) {
            _compactExtent(*i, extentNumber++, multiIndexBlock, compactOptions, &stats );
            pm.hit();
        }

        verify( d->firstExtent().ext()->xprev.isNull() );

        // indexes will do their own progress meter?
        pm.finished();

        log() << "starting index commits";

        status = multiIndexBlock.commit();
        if ( !status.isOK() )
            return StatusWith<CompactStats>( status );

        return StatusWith<CompactStats>( stats );
    }
开发者ID:cocolfzky,项目名称:mongo,代码行数:100,代码来源:collection_compact.cpp

示例2: ii

    StatusWith<CompactStats> Collection::compact( const CompactOptions* compactOptions ) {

        if ( isCapped() )
            return StatusWith<CompactStats>( ErrorCodes::BadValue,
                                             "cannot compact capped collection" );

        if ( _indexCatalog.numIndexesInProgress() )
            return StatusWith<CompactStats>( ErrorCodes::BadValue,
                                             "cannot compact when indexes in progress" );

        NamespaceDetails* d = details();

        // this is a big job, so might as well make things tidy before we start just to be nice.
        getDur().commitIfNeeded();

        list<DiskLoc> extents;
        for( DiskLoc L = d->firstExtent(); !L.isNull(); L = L.ext()->xnext )
            extents.push_back(L);
        log() << "compact " << extents.size() << " extents" << endl;

        // same data, but might perform a little different after compact?
        _infoCache.reset();

        vector<BSONObj> indexSpecs;
        {
            IndexCatalog::IndexIterator ii( _indexCatalog.getIndexIterator( false ) );
            while ( ii.more() ) {
                IndexDescriptor* descriptor = ii.next();
                indexSpecs.push_back( _compactAdjustIndexSpec( descriptor->infoObj() ) );
            }
        }

        log() << "compact orphan deleted lists" << endl;
        d->orphanDeletedList();

        // Start over from scratch with our extent sizing and growth
        d->setLastExtentSize( 0 );

        // before dropping indexes, at least make sure we can allocate one extent!
        if ( allocateSpaceForANewRecord( _ns.ns().c_str(),
                                         d,
                                         Record::HeaderSize+1,
                                         false).isNull() ) {
            return StatusWith<CompactStats>( ErrorCodes::InternalError,
                                             "compact error no space available to allocate" );
        }

        // note that the drop indexes call also invalidates all clientcursors for the namespace,
        // which is important and wanted here
        log() << "compact dropping indexes" << endl;
        Status status = _indexCatalog.dropAllIndexes( true );
        if ( !status.isOK() ) {
            return StatusWith<CompactStats>( status );
        }

        getDur().commitIfNeeded();

        CompactStats stats;

        OwnedPointerVector<IndexCatalog::IndexBuildBlock> indexBuildBlocks;
        vector<IndexAccessMethod*> indexesToInsertTo;
        vector< std::pair<IndexAccessMethod*,IndexAccessMethod*> > bulkToCommit;
        for ( size_t i = 0; i < indexSpecs.size(); i++ ) {
            killCurrentOp.checkForInterrupt(false);
            BSONObj info = indexSpecs[i];
            info = _compactAdjustIndexSpec( info );
            info = _indexCatalog.fixIndexSpec( info );
            auto_ptr<IndexCatalog::IndexBuildBlock> block( new IndexCatalog::IndexBuildBlock( this,info ) );
            Status status = block->init();
            if ( !status.isOK() )
                return StatusWith<CompactStats>(status);

            IndexAccessMethod* accessMethod = block->getEntry()->accessMethod();
            status = accessMethod->initializeAsEmpty();
            if ( !status.isOK() )
                return StatusWith<CompactStats>(status);

            IndexAccessMethod* bulk = accessMethod->initiateBulk();
            if ( bulk ) {
                indexesToInsertTo.push_back( bulk );
                bulkToCommit.push_back( std::pair<IndexAccessMethod*,IndexAccessMethod*>( accessMethod, bulk ) );
            }
            else {
                indexesToInsertTo.push_back( accessMethod );
            }

            indexBuildBlocks.mutableVector().push_back( block.release() );
        }

        // reset data size and record counts to 0 for this namespace
        // as we're about to tally them up again for each new extent
        d->setStats( 0, 0 );

        ProgressMeterHolder pm(cc().curop()->setMessage("compact extent",
                                                        "Extent Compacting Progress",
                                                        extents.size()));

        int extentNumber = 0;
        for( list<DiskLoc>::iterator i = extents.begin(); i != extents.end(); i++ ) {
            _compactExtent(*i, extentNumber++, indexesToInsertTo, compactOptions, &stats );
//.........这里部分代码省略.........
开发者ID:DanilSerd,项目名称:mongo,代码行数:101,代码来源:collection_compact.cpp


注:本文中的NamespaceDetails::setStats方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。