Amazon Technologies, Inc.

Shishir Agrawal

James Christopher Sorenson

Amit Gupta

Somasundaram Perianayagam

Sharatkumar Nagesh Kuppahally

Peter Zhivkov

Sagar Mundra

Aman Gupta

Vaibhav Jain

Ankur Tyagi

Ajay Kumar

Updates to projected data subsets may be ordered using conditional operations. When updates to a data set are received, a determination is made according to a schema for a projected subset of the data set as to whether the update is to be propagated to the projected subset of the data set. If the update is to be propagated, a comparison of a version identifier for the update may be made with a version identifier for the subset to determine whether performance of the update is consistent with an ordering of updates performed to the first data set. If the comparison indicates the performance of the update is consistent, then the update may be performed to the projected subset. If not, then the update may not be performed.

Ordering updates to secondary indexes using conditional operations

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Shishir Agrawal