Paypal, Inc.

Bin Zhang

Kenneth Kang

Shuping Tien

Pareshkumar Somabhai Patel

Samrat Roy

A source database and a target database are accessed. The source database contains data to be migrated over to the target database. The read operations from the target database and the write operations to the target database are ceased, while the read operations from the source database and the write operations to the source database are maintained. The data from the source database is replicated to the target database. During the replication, the read operations from the source database are maintained but the write operations to the source database are ceased, while the read operations from the target database and the write operations to the target database are also ceased. After the replication has been completed, the read operations from the source database and the write operations to the source database are ceased. The read operations from the target database and the write operations to the target database are resumed.

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San Jose, CA, United States of America

Bin Zhang