Tag: Replication

Asynchronous Replication from MySQL Cluster

MySQL Cluster is a highly available, distributed, shared-nothing database with very interesting performance characteristics for some workloads. Among other features, it supports automatic sharding and allows us to bypass the SQL layer if we don’t need it, via the NDB…

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Replicating Users and Tablespaces with Oracle GoldenGate

Gleb Otochkin explains how to replicate users and tablespaces using Oracle GoldenGate.

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GoldenGate 12.2 Big Data Adapters: Part 5 – MongoDB

In part five of his series on GoldenGate 12.2 Big Data Adapters, Gleb Otochkin, Principal Consultant and Certified Oracle Expert at Pythian, tests the Oracle GoldenGate Adapter for MongoDB taken from the Oracle Data Integration project.

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How to Verify If a Slave Running in MySQL 5.7

Derek Downey, OSDB Practice Advocate at Pythian, explains how to verify that a Slave is running in MySQL 5.7.

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Truncates and Sequences Replication in Oracle GoldenGate

Gleb Otochkin, Principal Consultant and Certified Oracle Expert at Pythian, discusses the truncate operation and support for sequences values replication.

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Creating An External Slave For A Live AWS Aurora Instance

Kevin Markwardt, MySQL Database Consultant at Pythian, explains how to set up an external slave for a live Amazon AWS Aurora instance.

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Exploring The Operations Log In MongoDB

Igor Donchovski, Database Consultant at Pythian, explains the MongoDB Operations log. Discover how the replication window compares to MySQL, how to change the oplog size, and what is improved in MongoDB 3.0 wiredTiger engine.

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SharePlex Replication Between Two Instances On The Same Host

Gleb Otochkin, Principal Consultant and Certified Oracle Expert at Pythian, explains how to preform SharePlex replication between two instances on the same host.

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Migrate a SQL Server environment with complex replication without reinitializing or rebuilding replication

Michelle Gutzait, one of Pythian’s SQL Server Experts, discusses how to migrate a SQL Server environment with complex replication without reinitializing or rebuilding replication.

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Resolving Update-Update Conflict in Peer-to-Peer Replication

Hemantgiri Goswami, Microsoft SQL Server MVP and Lead Database Consultant, discusses how to resolve an Update-Update Conflict in Peer-to-Peer Replication in SQL.

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