面向专业从业者的亚马逊 DocumentDB.pdf

1、 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.DAT427Tim CallaghanCody AllenAmazon DocumentDB for Expert PPrincipal DocumentDB Specialist SAPrinc

2、ipal DocumentDB Specialist SA 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Deep DivesFrom Theory to Practice Enhanced Compression R8g Instances Bloat HOT Updates Update Performance Bandwidth Read Optimized Instances MVU vs.Migration 2025,Amazon Web Services,Inc.or its affiliate

3、s.All rights reserved.Enhanced Compression“field name heavy”documents,r6g.4xlargeTestinserts/secvs uncompressedcompression ratiowrite bandwidth(Gbps)Uncompressed92,1500.91:11.128LZ490,237-2.1%0.91:11.128ZSTD143,32455.5%5.46:10.64 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.R8g

4、 Instancessysbench mixed workload,find/aggregate/update/delete/insert workloadTestinserts/secvs r6gtransactions/secvs r6gr6g.xlarge26,636297.9r8g.xlarge41,71856.6%510.071.2%2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Bloatcollections and indexesunusedStorageSize:unusedBytes:?,

5、unusedPercent:?2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.HOT Updatesr6g.xlarge,3 secondary indexes,unindexed updatesTestupdates/secvs uncompressedHOT off3,654HOT on5,00837.1%ungatedTestbatch latency(ms)vs HOT offcpu%vs HOT offHOT off110.758.4HOT on75.3-32.1%41.2-29.5%gated a

6、t 2,000 updates/sec 2025,Amazon Web Services,Inc.or its affiliates.All rights reserved.Update Performancer6g.4xlarge,3x buffercache,20 x batch 50,10KB documentsTestupdates/secimprovementbulk write1,566transaction wrapped bulk write3,349113.9%ungatedgated at 1,