1、MongoDBMongoDB1 54Gc:1515,:15:8881:445,:,2:8fdCNdaTb_e8:1:8 ,11,:1:8:SMMongoDB3 + + 1 AC C /C +BCP G = Scheduler schedulerdailyrecover - 1dailyrecover - 2dailyrecover - 3base full dataoplogreaderfrom oplog backup clusterorderedOplogDataprocessoroplog.queue(with colleciton)bulkerwriterbulkerwriterbul
2、kerwriter . 46-2 0scheduleroplogreader - 1dumperbackuperoplogreader - 2SourceData & SourceOplog parsororderedOplogDataprocessor/oplog.queue(with colleciton)bulkerwriterbulkerwriterbulkerwriter d2drd0ag al.-4i 6c.-ne . o2ohn eam sm2yp4configmongosConfig.collections shardkey datadataoplogoplog 437-158
3、6.7(65)$648974,(878-284$($-058:$-058:,)(,(-88848-37-6-5- 8-8-058:$, +parsor1 +parsorparsorparsorreader1 2 31 3 2parsorparsor CPUindex=00parsorparsorparsorparsor56712345671234123readerprocessor8index=(index+1)%4index=(index+1)%4 parsorparsorparsorparsorreader_ideaa_ide “_id”: c:1, b:1, e:1, a:1 a:1,
4、“_id”: b:1, c:1, e:1 “_id”: b:1, c:1, e:1, a:1 ts : Timestamp(1534302280, 1),t : NumberLong(12),bulkerwritercol1 col3h : NumberLong(6150356862929151464),v : 2,op : c,ns : test.$cmd,o : create : “test.col1nscol4 col5col2 col6processorbulkerbulkerwriterwriterC) D ( )C( C:(?,(:) ()2(),)(2)1)11,(,(:),(:)(2)2(14)3411bT,)24)341a,)2,)2,)2444412()332=eO,)21 4)341c)341444 )3414444 dg6-h(.)06ypl4o(.)06ypl4s2aes2.0accncrk-kek-kypyp4r