March 2010
Intermediate to advanced
408 pages
9h 59m
English
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Configuring backup with a read-write backing map
By default Coherence distributed caches will maintain one backup copy of each cache entry. When using a read-write backing map, other backup options may be considered that will reduce overall memory consumption across the cluster and allow for greater storage capacity.
Backup with read through
Applications that use read through are most likely using a database as the system of record. If a storage member is lost, the data can be retrieved from the database when needed. Therefore, this type of application may be a good candidate for a distributed cache with backups disabled.
Disabling backups will slightly improve read through performance (as a backup copy will not be made when the object is loaded ...
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