Delta replication of index fragments to enhance disaster recovery
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Oct 27, 2015
filing date -
Jan 9, 2015
priority date (Note) -
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Abstract
In an example embodiment, a disaster is detected at a primary data center and, in response to the detection, a system switches over from the primary data center to a secondary data center such that searches from one or more client applications are routed to the secondary data center. Then, for each document stored in a search core of the secondary data center: a count is requested for the document from a first client application, it is determined whether the count for the document from the first client application matches a count for the document from the search core of the secondary data center, and, in response to a determination that the count for the document from the first client application does not match a count for the document from the search core of the secondary data center, a full publish for the document is requested from the first client application.
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