Hadoop开发实例视频教程02.Greenplum架构(2)

基于GreenplumHadoop分布式平台的大数据解决方案GreenplumHadoop讲师：迪伦（北风网版权所有)Greenplum架构(2)网络配置示例Greenplum高可用性体系架构Master/Standby镜像保护数据冗余-Segment镜像保护Segment主机硬件配置示例网络冗余课程目标网络配置示例X4200(MasterHost)e1000g4e1000g5e1000g3e1000g2e1000g1e1000g0iLOMSMC8748MSMC8748M172.16.0172.16.1172.16.2172.16.3Catalyst2960192.168.X4500(SegmentHost2)e1000g3e1000g2e1000g1e1000g0iLOMX4500(SegmentHost1,StandbyMaster)e1000g4e1000g5e1000g3e1000g2e1000g1e1000g0iLOMLocalLAN/WANaslocallydefinedGreenplum高可用性体系架构(privateLAN)segmenthostprimarysegmentsegmenthostprimarysegmentsegmenthostprimarysegmentclientmasterhostmasterinstancegigabitethernetstandbymasterhostsynchprocessstandbymasterStandby节点用于当Master节点损坏时提供Master服务Standby实时与Master节点的Catalog和事务日志保持同步Master/Standby镜像保护primarymasterhoststandbymasterhostTransactionLogsTransactionLogssynchronizationprocessSystemCatalogsSystemCatalogs每个Segment的数据冗余存放在另一个Segment上，数据实时同步当PrimarySegment失败时，MirrorSegment将自动提供服务PrimarySegment恢复正常后，使用gprecoverseg–F同步数据。数据冗余-Segment镜像保护segmenthostnsegmenthost1segmenthost2masterhostGreenplumMasterglobalcatalogSegment1(mirror)Segment1(primary)Segment2(mirror)Segment2(primary)Segmentn(primary)Segmentn(mirror)Segment主机硬件配置示例网络冗余欢迎访问我们的官方网站