要实现这一点，请单独创建复制插槽（使用函数pg_create_logical_replication_slot和插件名称pgoutput），并...
CREATESOURCEmz_sourceFROMPOSTGRESCONNECTIONpg_connection(PUBLICATION'mz_source')FORALLTABLES; When you define a source, Materialize will automatically: Create areplication slotin the upstream PostgreSQL database (seePostgreSQL replication slots).
函数CreateSharedMemoryAndSemaphores负责对共享内存和信号量进行初始化,由Postmaster或其子进程调用。Postmaster调用该函数时会初始化共享内存和信号量,其他进程(如Postgres)调用时不进行初始化工作,仅仅获得已创建的共享变量指针和信号量指针。在初始化过程中,系统为共享内存创建了一个名为shmem index的Hash索引。当试图为...
postgres=#createtemptabletmp(c1int);CREATETABLEpostgres=#selectoid,relname,relnamespacefrompg_classwhererelname='tmp';oid|relname|relnamespace---+---+---24622|tmp|24585postgres=#selectoid,datnamefrompg_database;oid|datname---+---5|postgres24604|aaa1|template14|template0 此时会在名字是postgres...
SlotName (string) – Sets the name of a previously created logical replication slot for a change data capture (CDC) load of the PostgreSQL source instance. When used with the CdcStartPosition request parameter for the DMS API , this attribute also makes it possible to use native CDC start po...
Maybe Docker Services just aren't flexible enough for me to deploy a HA service with persistent local server storage and get this to all work with replication, etc. HA availability is not just for service creation (picking where the initial replicas run), but also for service update (scaling...